Optimized dental implantology system

Abstract

An optimized dental implant system comprising:-at least one dental implant; -at least one customized foundation pile; -at least one healing cap made of PMMA or PEEK material, which has a locking taper, has a flared lower portion and thus can be inserted and perfectly fitted onto the foundation pile; -at least one crown or temporary crown, which can be fixed to the pile by means of said cap, said cap being made of PEEK or PMMA. The invention relates to a subgingival prosthesis for a patient, said prosthesis consisting of:-a first subgingival portion having a buccal labial surface, a mesial surface, a distal surface and a palate surface adapted to mature connective tissue attachment and conjunctive epithelium attachment, and-a second subgingival portion having a height adapted to the height of chewing of the patient, said subgingival prosthesis comprising:-a first subgingival portion having a buccal labial surface, a mesial surface, a distal surface and a palate surface adapted to mature connective tissue attachment and conjunctive epithelium attachment;

Description

(19) State Intellectual Property Office (12) Invention Patent Application (10) Application Publication Number (43) Application Publication Date (21) Application Number 202480044609.0 (22) Application Date 2024.06.14 (30) Priority Data 102023000012183 2023.06.14 IT (85) PCT International Application Entering National Phase Date 2025.12.30 (86) PCT International Application Application Data PCT / IB2024 / 055834 2024.06.14 (87) PCT International Application Publication Data WO2024 / 257034 EN 2024.12.19 (71) Applicant RMS LLC Address Italy (72) Inventor F. Rizzotto (74) Patent Agency Beijing Zhucheng Law Firm 11313 Patent Attorneys Chen Yanjuan and Wang Yanbo (51) Int.Cl. A61C 8 / 00 (2006.01) (54) Invention Title: Optimized Dental Implant System (57) Abstract: An optimized dental implant system comprising: - at least one dental implant; - at least one custom abutment; - at least one healing cap made of PMMA or PEEK, the at least one healing cap having a locking taper, having an outwardly flared lower portion and thus being insertable and perfectly fitted onto the abutment; - at least one crown or temporary crown, the at least one crown or temporary crown being fixable to the abutment by the cap, the cap being made of PEEK or PMMA. The abutment comprises: - a first subgingival portion having a labial-buccal surface, a mesial surface, a distal surface and a palatal surface, adapted for connective tissue attachment and junctional epithelial attachment maturation; and - a second supragingival portion, the height of the second supragingival portion being adapted to the patient's chewing height.Claims 1 page, Description 7 pages, Drawings 6 pages, CN 121419734 A 2026.01.27 CN 1 21 41 97 34 A 1. An optimized dental implant system, the optimized dental implant system comprising: - at least one dental implant; - at least one custom-made titanium abutment adapted for placement on the dental implant, the abutment being shaped to conform to the natural contour of a particular tooth at the root-crown interface at the level of the CEJ; - at least one healing cap made of PMMA or PEEK, the at least one healing cap having a locking taper, having an outwardly flared lower portion and thus being insertable and perfectly fitted onto the abutment, the outwardly flared portion being adapted to shape the connector connection; - at least one crown or temporary crown, the at least one crown or temporary crown being fixable to the abutment by the cap, the cap being made of PEEK or PMMA; characterized in that the abutment comprises: - Its first subgingival portion, extending approximately 2 mm to 4 mm in height from the internal connection on the implant head, has a labial / buccal, mesial, distal, and palatal surface, adapted for connective tissue attachment and junctional epithelium attachment maturation. The outwardly flared portion of the surface of the abutment in the first subgingival portion is further divided into two parts: a first part adapted to contact the implant and protect the blood clot during use, the blood clot subsequently transforming into bone in the portion in contact with the implant and into connective tissue in the portion in contact with the first part of the outwardly flared abutment; and a second part, on which the cap fits, adapted for junctional epithelium attachment maturation; and a second supragingival portion, the height of which is adapted to the patient's chewing height and is between 5 mm and 7 mm. Between mm, and with different outward expansion or different inclinations relative to the vertical direction, in the first stage of healing, the custom cap is fitted into the second supragingival portion, the custom cap together with the temporary crown assists in shaping the binding epithelial attachment and gingival sulcus (intra-sulcus epithelium) attachment, the cap and temporary crown are replaced by the final structure as the hard and soft tissues mature; wherein the abutment shape includes labial-buccal locking structure, mesial locking structure, palatal locking structure and distal locking structure, each of which can vary on the labial-buccal surface (V), the palatal surface (P), the mesial surface (M) and the distal surface (D) and can vary between teeth.2. The dental implant system according to claim 1, characterized in that, when considering teeth in an anterior position, the height of the labial / buccal locking structure (V) is 2.5 mm, the height of the mesial locking structure (M) is 3.5 mm, the height of the palatal locking structure (P) is 3 mm, and the height of the distal locking structure (D) is 3 mm; while when considering teeth in a posterior position relative to the entire dental arch, the height of the labial / buccal locking structure (V) is 1.5 mm, the height of the mesial locking structure (M) is 2.5 mm, the height of the palatal locking structure (P) is 2 mm, and the height of the distal locking structure (D) is 2 mm. 3. The system according to claim 1, which can be implemented on multiple posterior teeth, characterized in that the system comprises: a screw-fixed custom abutment for connection to the implant; and a custom cap having an outward flare corresponding to the custom abutment in the initial 2-3 mm below the gingiva. 4. The system according to claim 1, characterized in that the system includes a plurality of labels on the surface of the cap, the plurality of labels being detectable by a scanning rod to detect the precise shape of the cap itself and to complete the fabrication of the cap itself and the abutment to which it can be attached. 5. The system according to claim 1, characterized in that the abutment is inclined upward and includes an inclined hole with an angle between 15 and 22 degrees inside, wherein the dynamic fixing screw is received in the inclined hole during use. Claims 1 / 1 page 2 CN 121419734 A Optimized Dental Implant System

[0001] The present invention relates to an optimized dental implant system.

[0002] Specifically, the present invention relates to an optimized dental implant system of the type used in dentistry.

[0003] As is well known, dental implantology refers to a set of surgical techniques aimed at providing functional restoration to patients suffering from complete or partial edentulism by using dental implants or devices surgically inserted into the mandible or maxilla, said dental implants or devices being designed to allow connection of fixed or movable prostheses to restore masticatory function. These implants can have different shapes, be inserted into different locations using different techniques, and then be attached to the prosthesis at different times.

[0004] Currently, implant-supported treatment protocols are highly predictable in replacing damaged or missing teeth. To ensure implant-osseointegration, a healing period of 3 to 12 months for the extraction socket is initially expected. Extensive scientific research in this field aims to optimize the timing of implant placement.

[0005] When performing single-tooth implantation in aesthetic areas, implant placement at the healing site can lead to changes in the size and atrophy of the bone ridge; indications tend to favor implant placement as soon as possible after tooth extraction.In experiments conducted on dogs and humans, changes in the structure and size of the alveolar ridge after tooth extraction were observed in the buccal portion and the buccal-lingual / palatal and coronal root directions of the fasciculus.

[0006] Preserving the morphology, structure, and health of soft tissue is essential to ensuring appropriate aesthetic results for implant treatment.

[0007] Importantly, a well-defined alveolar ridge with sufficient three-dimensional bone volume and the possibility of bone augmentation surgery contributes to excellent aesthetics without defects at the extraction site.

[0008] Alveolar bone preservation techniques and immediate implant placement (immediate placement into the extraction socket at the extraction site without waiting for bone and soft tissue healing) do not prevent physiological bone remodeling after tooth extraction.

[0009] The portion of the peri-implant mucosa facing the implant abutment (mucosal closure zone) consists of a coronal portion and an apical portion. The coronal portion is composed of junctional epithelium and sulcus epithelium (1.5–2 mm according to relevant animal studies), while the apical portion appears to be in direct contact with the implant surface (1–1.5 mm according to relevant animal studies). Vignoletti described the formation process of the peri-implant mucosa on implants placed in extraction sockets in his studies on dogs. It was observed that at 1 week, the junctional epithelium was connected to the oral epithelium, and the connective tissue was rich in inflammatory cells. At 4–8 weeks, there were no longer any signs of inflammation, the epithelial barrier matured, and it was in close contact with the implant, with the fibroblast-rich connective tissue appearing dense.

[0010] Compared with Berg Lund's studies on implants placed in healing ridges in dogs, the epithelial barrier in the implant remained wider during healing in Vignoletti's study.

[0011] Abrahamsson et al. evaluated the effects of repeated abutment disconnection and reattachment on peri-implant tissues in a study of dogs. The results showed that frequent reattachment of the abutment to the implant surface led to a more apical orientation of the connective tissue and marginal bone resorption (marginal bone resorption), which occurs when attempting to establish the correct biological width of the peri-implant closure zone. Titanium abutments allow for mucosal attachment of epithelial and connective tissue. Limitations in implant restoration, particularly in the anterior aesthetic region, and therefore current goals include stability over time, tissue-friendly properties, reduced postoperative discomfort, and immediate provisionalization.

[0012] The patient's needs, and therefore the purpose of this current study, are to have implants and techniques that allow for treatment with fewer surgical procedures, fewer visits, less time, lower costs, bone preservation at the implant site, and optimal soft tissue aesthetics.

[0013] Furthermore, the systems described in documents WO2018 / 234247A1 and US2012 / 295223A1 are known. However, these known systems do not address the technical problems of providing customization and optimization of dental implants based on the specific teeth and arches considered, such as maximizing osseointegration and optimizing dimensions.

[0014] The applicant has described an implant system in Italian Patent No. 102019000025480 during previous investigations and studies.

[0015] However, the dental implant system described so far is not perfectly customized based on statistical and mathematical analysis, or optimized based on the specific teeth and arches considered, nor does it allow for its application to multiple or tilted implants.

[0016] The scope of the present invention is to provide an optimized implant system, namely a system that maximizes osseointegration and is optimized and standardized in size. Finally, the scope of the present invention is to provide an optimized dental implant system capable of providing an implant-abutment-healing cap connection that allows for the insertion of a custom definitive titanium abutment, which is inserted during surgery and is not removed from the implant interface, thereby preventing abutment dislodgement and overcoming the limitations of currently known systems.

[0017] The dental implant system according to the present invention allows for simultaneous surgical and restorative procedures at so-called time O. However, currently, surgical procedures (the purpose of which is to integrate the implant) are performed first, and restorative interventions are performed at a later time using healing abutments or temporary abutments, which tends to reshape both bone and mucosal tissue.

[0018] According to the present invention, a dental implant system is disclosed as defined in claim 1.

[0019] To better understand the invention, preferred embodiments are now described by way of non-limiting example only, with reference to the accompanying drawings, in which: - FIG1 shows some components of a dental implant system according to the invention; - FIG2 shows a view of a cap of a dental implant system according to the invention, and in particular a cap for incisors; - FIG3 shows a view of a cap of a dental implant system according to the invention, and in particular a cap for molars; - FIG4 shows a view of a cap of a dental implant system according to the invention, and in particular a cap for premolars; - FIG5 shows a view of an abutment of a dental implant system according to the invention, and in particular abutments for incisors; - FIG6 shows views of the inner coping and temporary body for tilted implants according to the invention, respectively.

[0020] Referring to these figures, components of an optimized dental implant system according to the invention are shown.

[0021] More specifically, the optimized dental implant system, as the object of the present invention, comprises: - at least one custom-made titanium abutment adapted for placement on a dental implant, the abutment being shaped to conform to the natural contour of the root-crown interface of a particular tooth at the level of the CEJ; - at least one healing cap made of PMMA or PEEK, the at least one healing cap having a locking taper, having an outwardly flared lower portion so as to be inserted and fit perfectly on the abutment, the outwardly flared portion being adapted to shape the connector connection; - at least one capsule or temporary crown capable of being secured to the abutment by the cap, the cap being made of PEEK or PMMA; characterized in that the abutment comprises: - a first subgingival portion extending from the internal connection on the implant head to a height of approximately 2 mm to 4 mm, having a labial-buccal surface, a mesial surface, a distal surface, and a palatal surface, adapted for attachment of connective tissue and... (The rest of the text appears to be a page 2 / 7 of a document and is not translated.) CN 121419734 A The junctional epithelial attachment matures, and the outward expansion of the surface of the abutment in the first subgingival portion is further divided into two parts: a first part, adapted to contact the implant and protect the blood clot during use, the blood clot then transforming into bone in the portion in contact with the implant and into connective tissue in the portion in contact with the first part of the outward expansion abutment; and a second part, a cap fitting onto the second part, the second part adapted to allow junctional epithelial attachment to mature; and a second supragingival portion, the height of the second supragingival portion adapted to the patient's chewing height and between 5 mm and 7 mm, and having different outward expansion or different inclinations relative to the vertical direction. In the first stage of healing, a custom cap is fitted into the second supragingival portion, the custom cap, together with the temporary crown, assisting in shaping the junctional epithelial attachment and gingival sulcus (intra-sulcus epithelium) attachment. Upon hard and soft tissue maturation, the cap and temporary crown are replaced by the final structure.

[0022] The shape of the base post includes a labial-buccal locking structure, a mesial locking structure, a palatal locking structure and a distal locking structure, each of which can vary on the labial-buccal (V), palatal (P), mesial (M) and distal (D) surfaces and can vary between teeth.

[0023] According to one aspect of the invention, the system comprises: - at least one dental implant; - at least one custom titanium abutment 101a, 101b, 101c, ... 101n, the at least one custom abutment being adapted to be placed on the dental implant, the abutment being shaped to conform to the natural profile of a particular tooth at the coronal-root interface at the CEJ (cement-enamel junction); - at least one healing cap 102a, 102b, 102c, ... 102n (made of PMMA or PEEK), the at least one healing cap being fixed to the implant via a conometric connection, having an outwardly flared lower portion and thus being inserted into and perfectly fitted onto the post, the outwardly flared portion being adapted to shape the attachment of the binding epithelium; - at least one crown 103a, the at least one crown being fixed to the final post or temporarily fixed to the cap, the cap being further fixed to the post, and preferably the post being made of PEEK or PMMA.

[0024] According to one aspect of the invention, the abutment comprises: - a first subgingival portion, the first subgingival portion extending from the internal connection on the implant head to a height of about 2 mm-4 mm, having a labial buccal surface, a mesial surface, a distal surface, and a palatal surface, adapted to allow for connective tissue attachment and junctional epithelial attachment maturation, the outwardly flared portion of the abutment surface in the first subgingival portion further dividing into two parts: a first part, the first part being designed to be placed in contact with the implant and to protect the blood clot during use, the blood clot further transforming into bone in the portion in contact with the implant and into connective tissue in the portion in contact with the first part of the outwardly flared abutment; and a second part, a cap fitting onto the second part, the second part being designed to allow for junctional epithelial attachment maturation; and - a second supragingival portion, the height of the second supragingival portion being adapted to the patient's chewing height, and within 5 mm to 7 mm. Between mm, and with different outward flare or different inclinations relative to the vertical direction, in the first stage of healing, a custom cap is fitted into the second supragingival portion, the custom cap together with the temporary body helps to shape the junctional epithelial attachment and gingival sulcus (intra-sulcus epithelium) attachment, once the hard and soft tissues mature, the cap and temporary body are replaced by the final structure.

[0025] Thus, the outward flare of the surface of the abutment in the subgingival portion is adapted to protect the blood clot in use, which in turn transforms into bone in the portion in contact with the implant and into connective tissue in the portion in contact with the first portion of the outward flare abutment, the abutment also including a second portion, on which the cap fits in use, the second portion being adapted for healing shaping in a portion of its height extending approximately 2 mm–4 mm from the junctional epithelial attachment.

[0026] The mucus sealing area consists of the following: (Instruction manual, page 3 / 7, CN 121419734 A) 1) Supercritical region: near the bone ridge 1 mm above the implant: connective tissue attachment; 2) Critical region: junctional epithelial attachment determined by the cap: downwardly flared, the shape of the post in contact with the implant head remains continuous, and upwardly flared to accommodate a temporary body, which is adhesively attached to the cap and shapes the non-critical area of ​​the gingival sulcus or gingival sulcus.

[0027] Figure 1 shows an example of the morphology of the dental implant system components. However, each component has been optimized and customized, as described below.

[0028] The abutments 101a, 101b, 101c, ... 101n and the healing caps 102a, 102b, 102c, ... 102n have optimized shapes and sizes so as to protect the underlying blood clot and allow it to differentiate into different tissues, namely connective tissue, junctional epithelium, and gingival sulcus epithelium. The inclined or outward-facing surfaces of the abutment 101a and healing caps 102a, 102b, 102c, ... 102n are uniform and continuous at their boundaries, allowing different tissues to mature in a safe and protected manner.

[0029] Each abutment 101a is generated from statistical and mathematical analysis and has an optimized shape that conforms to the natural contour of the tooth at the crown-root interface at the CEJ (i.e., cementum-enamel junction).

[0030] With or without the use of regenerative techniques, the abutments according to the invention allow for the stabilization of blood clots at zero time, which can differentiate and mature at the interface with the abutment without alteration.

[0031] At time 0 (i.e., during the first surgical procedure), the system according to the invention allows you to attempt the final structure and complete implant insertion by fixing customized caps 102a, 102b, 102c, ... 102n with a conical locking connection, which ensures shaping of the peri-implant mucosa, maintains soft tissue volume, and ensures further protection against blood clots. The conical locking connection ensures stability and minimal bacterial penetration. The post and cap are customized in the sense that the right, left, upper, and lower quadrants are not identical, but differentiated in shape, surface inclination, and height according to the location of the implantation (i.e., the location in the dental arch where the implant will replace the tooth).

[0032] Advantageously, customization allows the system to be tuned in a specific and optimized manner.

[0033] Specifically, the abutment is not drawn on the impression, but is generated in an optimized and universal manner based on statistical morphological evaluation. This advantageously allows the implant, final abutment, and temporary cap to be placed in a single surgery, resulting in significant positive effects.

[0034] As shown, the diameter of the abutment 101a is variable, and the lateral surfaces have different inclinations and heights, depending on whether the distal, mesial, palatal, or labial / buccal surface is considered.

[0035] Furthermore, the abutment 101a has an adjusted and optimized height in its supragingival portion based on the patient's chewing height, which is between 5 mm and 7 mm.

[0036] Depending on the occlusal gap, the abutment 101a according to the invention may have a larger or smaller height, equal to 7 mm and 5 mm or 6 mm, respectively.

[0037] This characteristic of the abutment 101a advantageously addresses restorative problems associated with changes in the vertical dimension of the occlusion. Furthermore, if the inclination between the implant and the abutment changes, there is a risk that the connection between the abutment and the implant may be altered. In these cases, the abutment according to the invention may include a dynamic or tilting screw that allows compensation for angular differences between 15 and 20 degrees.

[0038] In the case of multiple implants, and if the angulation exceeds 15–20 degrees, the system according to the invention may use a custom abutment in the molar or premolar region or in the aesthetic region, or use a commercially available tilting abutment with a custom inner crown applied thereon.

[0039] This system also allows you to correct any incorrect implant insertion by using custom caps 102a, 102b, 102c, ... 102n. (Instruction manual, 4 / 7 pages, 6 CN 121419734 A)

[0040] Furthermore, advantageously, in addition to adjustment by compensating for different inclinations, the temporary body fixed to the cap also keeps the adhesive image away from the bony ridge, as the cap and temporary body act on the critical area at the junction of epithelial attachments, while the supercritical area forming connective tissue attachments is protected by the lower portion of the custom abutment. Thus, the shape of the cap allows for optimal protection of blood clots. The system according to the invention also allows for the resolution of surgical problems. The mucosal sealing area is divided into three zones, and the system according to the invention is optimized and acts on all three zones. In the supercritical upper zone in contact with the bony ridge, the abutment is advantageous because it can be installed at zero time and has a custom shape specific to the replaced tooth, and is no longer removed, thus protecting the mucosal sealing area (connective tissue attachment). In the subcritical region, the cap continues the shape of the abutment, further protecting the blood clot, aiding differentiation, and guiding the mucosal sealing zone to achieve optimal shape within 2–3 mm of the junctional epithelial attachment. In the third region of the sulcus epithelium, the temporary body, connected to the cap, allows for the imparting of curvature and the completion of the tissue's mature morphology at the marginal level, adapting to the morphology of the replaced natural tooth and conforming to the patient's anatomy and biology. The temporary body is also custom-made and applied to the cap at zero time or after three months, thereby aiding and supporting the mucosa by imparting an appropriate morphology.

[0041] Known systems perform direct simulation impression after surgery, or apply a temporary after indirect impression six months later, and then modify the temporary to adapt to its shape, which compresses the tissue at the gingival margin.

[0042] Furthermore, the upper portion of the post appears to have a flared portion that exactly corresponds to the lower flared portion of the healing cap. As shown in Figures 2 to 4, each inner crown 102a, 102b, 102c, …102n, although different and customized, has similar structural and morphological characteristics. Each cap has a flared portion at one of its base ends to obtain the advantages already described, the intermediate portion has a diameter D1, and the terminal portion has a diameter D2, wherein D2<D1. The terminal portions have inclined surfaces of approximately 7 degrees, which are generally not parallel to each other (this allows conical lock retention) and are perforated at the top. The PMMA cap is connected to the titanium base post in a conical locking manner and is divided into two parts: a first part, which continues the design of the base post and differs on four surfaces (M; D; V; L) up to the gingival margin; a second part, which extends 1 mm above or below the margin, and has an internal counter switch that accommodates the temporary, which is modified and adapted to the sulcus margin to guide its maturation and shape in a customized manner.

[0043] Advantageously, the system contributes to promoting the healing and protection of blood clots and shaping epithelial tissue. Furthermore, it allows the construction of a temporary restoration and obtaining a digital impression for the final restoration, to determine the morphology of the soft tissue, and thus clarify the aesthetics of the final crown, which will be fixed with a screw or superimposed in a conical locking manner.

[0044] Depending on the upper or lower position, right or left side, whether in an aesthetic area or a non-aesthetic area, the shapes of the base post and the healing cap have differentiated and optimized contours and curvatures. Each contour is obtained from statistical and morphological studies, which allows obtaining a system specifically designed based on the tooth to be replaced (in the portion adjacent to the alveolar ridge, that is, the portion of the tooth called the cementoenamel junction), rather than a system designed based on an individual patient.

[0045] Advantageously, whether with or without aesthetic materials, the temporary crown and the final crown are customized and coordinated with the morphology of the patient's other teeth.

[0046] As mentioned above, the system can be created in an alternative form described below, specifically based on the tooth in question to be replaced by a dental implant system.

[0047] The shape of the abutment particularly includes different 'locking structures' between teeth, and for each of them, the locking structure differs on the following different surfaces: labiobuccal side, palatal side, mesial surface and distal surface.The V-M-P-D locking structure will have different heights, and specifically, when considering teeth in anterior positions: 2.5 mm on the labial / buccal side, 3.5 mm on the mesial side, 3 mm on the palatal side, and between 2.5 mm and 3 mm on the distal side, preferably 3 mm. The locking structures appear different in a mirror image by referring to the right or left side of the upper or lower dental arch. When considering teeth in posterior positions relative to the entire dental arch, according to the specification page 5 / 7 7 CN 121419734 A, the abutment of the invention alternatively includes: a labial / buccal locking structure (V) with a height equal to 1.5 mm; a mesial locking structure (M) with a height equal to 2.5 mm; a palatal locking structure (P) with a height equal to 2 mm; and a distal locking structure (D) with a height of 2 mm.

[0048] Advantageously, the special shape of the system allows you to protect blood clots and promote their transformation into differentiated tissue, thereby supporting the mucus-sealed area, which in nature always has a tendency to contract and retract.

[0049] The optimized dental implant system in the second embodiment involves multiple implants positioned posteriorly relative to the entire dental arch. When using tilted implants with an angle greater than 15 degrees, parallelism is corrected using commercially available standard tilted connecting abutments with an angle between 15 and 30 degrees and a height of 1 or 2 mm. A custom-made temporary cap is fixed to the abutment. The custom-made temporary cap has a corresponding shape and is externally identical to the custom abutment 2-3 mm subgingivally and in the supragingival portion (5 to 7 mm in height), and its internal portion is perfectly adapted to the commercially available abutment and fixed to the abutment with screws.

[0050] In addition to the system already described, the multi-implant system according to one aspect of the invention can therefore also use a custom-made threaded abutment and a custom cap having the characteristics already described to correct angular or non-parallelism. The multi-implant system includes connecting screws, and therefore the abutment is ready for screw connection.

[0051] According to another embodiment, a multi-implant system includes a custom-designed abutment with a dynamic curve, the maximum curvature of which is between 15 and 22 degrees. The structure is positioned on the custom-designed abutment by means of partial screw fixation and partial bonding or conical locking. In immediate post-extraction implantation, a cap can be used to securely connect the implant-abutment assembly to the adjacent tooth, thereby improving its stability and thus osseointegration, giving the sealing area the specific site and tooth morphology of the consideration.

[0052] According to one aspect of the invention, the axis of the screw insertion can be tilted when it falls into the labial / buccal side. The abutment of the system is tilted at the top and includes an inclined hole on its inner side, the inclined hole having an angle between 15 and 22 degrees, in which the dynamically fixed screw is received during use. In this case, the immediate connection and the custom-designed abutment are also optimized for implants with irregular and therefore tilted constructions.

[0053] According to one aspect of the invention, the system includes a plurality of tags present on the surface of the inner crown and configured to allow for scanning body and scanning rod positioning of the inner crown itself, i.e., detecting the impression of the inner crown based on three points or tags. Alternatively, advantageously according to the invention, it is not necessary to obtain an impression above the head of the implant. In fact, it is sufficient to obtain the shape of the abutment by reading with an intraoral scanner and to couple the cap to a digital model of the abutment, thereby achieving a perfect fit with the abutment and thus avoiding both the scanning rod and the scanning body.

[0054] The mucosa is shaped by the cap and the temporary body, and thus the integration with the implant is optimized.

[0055] The abutment according to the invention consists of three regions in its subgingival portion: - intact and undisturbed connective tissue attachments held above the bony ridge; - junctional epithelial attachments occurring on the distal portion of the inner crown; and - epithelial attachments completed as the temporary body is inserted onto the cap.

[0056] The mucosal seal zone is established at zero time, and the abutment and cap contribute to the maturation of the upper alveolar ridge. The peripheral or visible portion of the gingiva is finally shaped with a temporary body.

[0057] The abutment placed on the anterior teeth has greater aesthetic importance, and for the abutment, a connection procedure is performed between the cap and the adjacent teeth when the initial implant integration torque is less than 30 Ncm. After approximately 3 months, once osseointegration has occurred (three months from the initial abutment (implant) placement), the connection is replaced with a custom-made temporary restoration on the cap, which is designed to harmonize with the adjacent teeth.

[0058] The abutments of the same teeth placed on the right or left side of the dental arch are different from each other, and the system advantageously allows them to optimize their shape according to the specification page 6 / 7 8 CN 121419734 A.

[0059] The applicant has conducted experimental tests to support the effectiveness of the system according to the invention in terms of blood clot protection and implant stability. Reference points were obtained, and digital impressions and local X-rays were used to detect clinical parameters determined before and after the intervention. Based on the validation of the parameters detected after the intervention and their comparison with pre-intervention values, the optimized dental implant system showed that blood clots were protected and their differentiation was promoted, and therefore, the implant was stable, while reducing the time required for implantation and surgery.

[0060] Advantageously, the system according to the invention allows you to complete a single, fully digitally guided implant restoration procedure in a single moment. Therefore, the goal is to complete the implant restoration steps in an optimized manner within a single solution.

[0061] The system according to the invention eliminates key problems in surgery, restoration, and design. The system according to the invention overcomes the disadvantages associated with surgery, restoration, and design by using custom abutments and caps created using specific digital mathematical algorithms.

[0062] Advantageously, the supragingival portion of the abutment and its specific shape allow for addressing the restoration problem through a taper presented by the abutment itself within a height of 5-7 mm from the gingiva. This taper allows for a conical locking connection between the final crown and the custom abutment, thereby avoiding or minimizing the use of adhesives and the associated risk of peri-implantitis.

[0063] The abutment according to the invention is advantageous because it stabilizes, guides, and protects the thickness and height of the soft tissue. Attached keratinized tissue is a very important biological factor for peri-implant bone stability, reducing the reduction in alveolar ridge height, and its attachment to the portion of the abutment that is not removed reduces the invasion of bacteria and plaque, thereby protecting the ridge (supercritical area). The shape of the abutment and the conical locking geometry eliminate (or reduce, in the case of adhesive bonding) the risk of peri-implantitis due to adhesive residue. The custom design of the abutment also guides, protects, shapes, and stabilizes the soft tissue: within the critical region TC 1 mm, within the subcritical region JE 2 mm, and within the gingival sulcus region SE 1.2 mm.

[0064] Furthermore, the design and morphology of the restoration are custom-made.

[0065] Advantageously, the custom-made cap and temporary body according to the invention strengthens and enhances the role of the abutment in the aforementioned three regions.

[0066] The system also advantageously allows for the elimination of conventional open and closed impressions, direct or indirect impressions for immediate or delayed temporary bodies, and the elimination of scanning rods and scanning bodies.

[0067] Advantageously, the taper and height of the supragingival abutment eliminate some of the key problems of bonded restorations.

[0068] Advantageously, the height of the abutment is higher than that of currently available abutments on the market, the latter being limited to 3.5 mm and insufficient in any way to maintain stability.

[0069] Finally, a custom-made, conical-locking cap is fabricated together with the post and inserted simultaneously with the implant. This allows for the protection and maturation of the soft tissue, which is shaped according to the design and custom shape of the temporary body to avoid direct and indirect impressions during the surgical phase, and also eliminates the need to wait for the soft tissue to heal and mature in the indirect method, and then use the tightening and loosening of the temporary body to shape the soft tissue, which compresses the tissue until the desired shape is achieved.

[0070] Thus, the dental implant system optimized according to the invention allows for optimized osseointegration and is optimized and standardized in size.

[0071] Finally, it is apparent that modifications and variations can be made to the optimized dental implant system described and illustrated herein without departing from the scope of the invention as defined in the appended claims.Instruction manual, page 7 / 7, 9 CN 121419734 A, Figure 1; Instruction manual, Figure 1 / 6, page 10, CN 121419734 A, Figure 2; Instruction manual, Figure 2 / 6, page 11, CN 121419734 A, Figure 3; Instruction manual, Figure 3 / 6, page 12, CN 121419734 A, Figure 4; Instruction manual, Figure 4 / 6, page 13, CN 121419734 A, Figure 5; Instruction manual, Figure 5 / 6, page 14, CN 121419734 A, Figure 6; Instruction manual, Figure 6 / 6, page 15, CN 121419734 A.

Claims

1. An optimized dental implant system, the optimized dental implant system comprising: - At least one dental implant; - At least one custom titanium abutment adapted for placement on the dental implant, the abutment being shaped to conform to the natural contour of the root-crown interface of a particular tooth at the level of CEJ; - At least one healing cap made of PMMA or PEEK material, the at least one healing cap having a locking taper, having an outwardly flared lower portion so as to be inserted into and fit perfectly on the foundation pile, the outwardly flared portion being adapted to shape the joint connection; - At least one crown or temporary crown, which can be fixed to the abutment by the cap, the cap being made of PEEK or PMMA; The foundation pile is characterized by comprising the following components: - Its first subgingival portion, extending approximately 2 mm to 4 mm in height from the internal connection on the implant head, has a labial / buccal surface, a mesial surface, a distal surface, and a palatal surface, adapted for connective tissue attachment and junctional epithelium attachment maturation. The outwardly flared portion of the surface of the abutment in the first subgingival portion is further divided into two parts: a first part, adapted to contact the implant and protect the blood clot during use, the blood clot further transforming into bone in the portion in contact with the implant and into connective tissue in the portion in contact with the first part of the outwardly flared abutment; and a second part, the cap fitting onto the second part, the second part adapted for junctional epithelium attachment maturation, and - The second supragingival portion, the height of which is adapted to the patient's chewing height and is between 5 mm and 7 mm, and has different outward flare or different inclination relative to the vertical direction, is fitted into the second supragingival portion during the first stage of healing. The custom cap, together with the temporary crown, assists in shaping the binding epithelial attachment and gingival sulcus (intrasulcular epithelium) attachment. As the hard and soft tissues mature, the cap and the temporary crown are replaced by the final structure. The shape of the base post includes a labial / buccal locking structure, a mesial locking structure, a palatal locking structure, and a distal locking structure, each of which can vary on the labial / buccal surface (V), the palatal surface (P), the mesial surface (M), and the distal surface (D) and can vary between teeth.

2. The dental implant system according to claim 1, characterized in that, When considering teeth in anterior positions, the height of the labial-buccal clasp (V) is 2.5 mm, the height of the mesial clasp (M) is 3.5 mm, the height of the palatal clasp (P) is 3 mm, and the height of the distal clasp (D) is 3 mm. When considering teeth in posterior positions relative to the entire dental arch, the height of the labial-buccal clasp (V) is 1.5 mm, the height of the mesial clasp (M) is 2.5 mm, the height of the palatal clasp (P) is 2 mm, and the height of the distal clasp (D) is 2 mm.

3. The system according to claim 1, wherein the system can be implemented on multiple posterior teeth, characterized in that, The system includes: a screw-fixed custom abutment for connection to the implant; and a custom cap having an outward flare corresponding to the custom abutment in the initial 2-3 mm below the gum line.

4. The system according to claim 1, characterized in that, The system includes multiple tags on the surface of the cap, which can be detected by a scanning rod to determine the precise shape of the cap itself and to complete the fabrication of the cap itself and the base stakes that can be attached to the cap.

5. The system according to claim 1, characterized in that, The foundation pile is inclined upward and includes an inclined hole with an angle between 15 and 22 degrees inside, wherein the dynamic fixing screw is accommodated in the inclined hole during use.

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