44 results about "Implant dentures" patented technology

The invention relates to a manufacturing method of an implant denture individualized positioning guide plate in the technical field of tooth repair technologies, which comprises the steps of: firstly, establishing a three-dimensional model of anatomical structures of teeth, jaws, maxillary antrums, mandibular nerve conduits and the like according to oral cavity CT data of patients; secondly, carrying out virtual implanting on a solid modeled implant model, matching an implanted model with a patient oral cavity structural data model established after scanning a dental model by using an opticalscanner, determining the position of a guide hole of the positioning guide plate and the shape of a contact surface of gums, inserting a guide pipe in the guide hole; and thirdly, manufacturing a solid positioning guide plate. The solid positioning guide plate can provide optimal implanting position and direction to ensure the safety of an implanting technology and the long-term stability of an implant. The positioning guide plate can maximally utilize the bone quantity of the alveolar bone when in application. The invention can improve the efficiency and the accuracy of the implanting technology, ensure that the implanted implant accords with the biomechanical principle, and guarantee the repair aesthetic effect.

The invention discloses an implant denture individual abutment design method based on a healing abutment dental model, and belongs to the field of computer auxiliary design. The method comprises the following four steps: acquiring and preprocessing data; establishing an implant system model base; positioning a healing abutment and an implant body; and designing an individual abutment. The implant denture individual abutment design method is high in automation, not only ensures that the operation steps of manufacturing a wax pattern or casting a model, and transferring the implant body on clinic and the like can be omitted, but also can be used for improving the shape of gingival margin of the restored implant denture, greatly reducing the operation time and cost of a doctor and a skilled work, and improving the restoration efficiency and beautiful appearance; the implant denture individual abutment design method based on the healing abutment dental model has important application value in a computer auxiliary dental implant field.

The invention discloses an oral cavity dental implant reconstructable guide plate and a manufacturing method thereof. The oral cavity dental implant reconstructable guide plate consists of a movable drilling template and a personalized base plate; a designing and manufacturing method of the oral cavity dental implant reconstructable guide plate comprises the following steps: acquiring oral cavity CBCT of a patient; comprehensively evaluating the oral cavity situations of the patient; manufacturing and scanning a plaster model of an oral cavity part of the patient, matching plaster scanning data and CBCT data, and reconstructing three-dimensional models of teeth and bones; making a planting plan; analyzing the strength of an implant; designing a standard drilling template corresponding to a drilling bit of the drilling template; designing a personalized guide plate substrate; importing an implant body model into a computer to perform virtual planting; designing an implant denture; manufacturing the reconstructable guide plate. According to the oral cavity dental implant reconstructable guide plate and the manufacturing method thereof, the treatment time can be shortened by performing virtual planting by utilizing planting software; moreover, the survival rate of the dental implant is favourably improved; quick manufacturing and field reconstruction of a dental implant drilling and cutting guide plate are realized; a medical material is saved and the cost is also reduced through the use of the drilling template; the requirement of green manufacturing is met.

The invention provides a digital processing system of personalized components in dental implantation and a processing method of the personalized components in dental implantation, belongs to the biomedical engineering field, and specificly relates to a personalized CAD/CAM (computer-aided design/computer-aided manufacturing) digital processing system of a dental implant, a carrier, a cover screw, a healing abutment, a restoration abutment and supporting tools. The system is characterized by comprising an oral environment data acquiring module, an implant component form design module, a digital clinical processing module and a surgical template manufacturing module. According to the digital processing system provided by the invention, the implant can be customized according to partial jaw condition of a patient so that the form of the implant can furthest meet clinical needs, compatibility of the implant to the patient as well as the success rate of the implant restoration can be improved, Meanwhile, the personalized digital processing system performs one-to-one design and processing, so that denture-implanting restoration hospitals do not need to store various implant systems and realize zero inventory, and the expenses and the waste of the product are reduced. The personalized components digital processing system provided by the invention is benefitial for popularizing and promoting denture implantation technology.

The invention relates to a biomimetic type preformed ceramic abutment of an implanted tooth and a preformed inner crown thereof, belonging to the field of implant restoration of dentition defect or dentition deletion of an oral cavity and aiming at improving the appearance, shape and color, strengthening retention and reducing microleakage. The technical scheme of the invention is as follows: the implant denture restoration is matched with different preformed ceramic abutments according to different teeth positions, i.e., the upper parts of the implants with implanted alveolar bones are matched with preformed ceramic abutments according to different teeth positions; the preformed ceramic abutment comprises a lower part structure inserted into the implant, a middle part structure imitating the shape of the neck of a natural tooth and an upper part structure imitating the form of tooth preparation of the natural tooth; and the outer surface of the upper part structure of the preformed ceramic abutment is matched with the preformed inner crowns of initial dental crowns of different teeth positions. The invention is applicable to the implant restoration of dentition defect or dentition deletion of the oral cavity, especially the deletion restoration of anterior teeth with higher requirement for beauty.

The bridge-fixed implanted tooth without crown sleeve includes one body part and one connected pile and features that the pile has two wings connected to a fixing unit via a connecting cap or to the wing in other pile. The making process of the bridge-fixed planted tooth includes making female oral cavity mold with the position of adjacent teeth; making male oral cavity mold with fixing unit connecting cap, fixing planted unit and pile connecting core; setting implant pile and welding the two wings with connecting cap; and making the upper structure of the implanted artificial tooth. The present invention makes adjacent teeth share partial pressure and reduces the pressure of the implant tooth to alveolar bone to prolong the service life of the implanted tooth. Separating the implant into two, one outer and one inside, parts facilitates the clinical operation.

The invention discloses a bridge abutment component for a dental implant. An inserting section of a gingiva abutment part is mounted in an inner hole of an implant; a central through hole of the gingiva abutment part is a stepped hole; a central positioning bolt penetrates through the stepped hole and is screwed into internal threads of the implant for realizing fixing connection of the gingiva abutment part and the implant; a bridge abutment is arranged on an inverted conical frustum at the upper part of a gingiva abutment; the internal threads are arranged on the inner wall of the inverted conical frustum; a set screw is screwed into the gingiva abutment through an upper port of the bridge abutment and fastening connection of the bridge abutment and the gingiva abutment and the implant is realized; as the set screw is connected with the internal threads of the inverted conical frustum of the gingiva abutment rather than is screwed into internal threads of the central positioning bolt, the diameter of the set screw is greatly increased, further strain strength of the set screw is enhanced, and the problem that the set screw is easy to break in clinical application is solved; meanwhile, a hollow structure of the central positioning bolt is changed into a solid structure, so that the strength of the central positioning bolt is enhanced; meanwhile, the problem that the central positioning bolt is easy to break in clinical application is solved, mostly common complications of implant denture are greatly avoided and the long-term success rate of the bridge abutment component isensured.

The invention relates to the field of oral implant same-period bone increment medicine, and discloses a combined design method of bone increment and implant denture and a manufacturing method of a bone increment model. A hard tissue model and an oral cavity model do not need to be subjected to data fusion, and only the medical image, the hard tissue model and the oral cavity model need to be subjected to registration and superposition, so that the restoration and the implant can be designed on the oral cavity model, the bone increment is designed on the hard tissue model. Not only is data operation simpler, but also compared with fused data, a prosthesis and an implant designed according to an original oral cavity model are higher in accuracy, and during design, the prosthesis, the implant and bone increment are adjusted by taking an original medical image capable of completely showing soft and hard tissues of an oral cavity and a jaw bone as a reference; the individual condition of the patient can be better adapted from the global perspective, the design suitability is ensured, and a good foundation is laid for the success of a subsequent implant repair operation.

The invention relates to a single-tooth residual root implant which is made into an integral multi-section type structure by adopting pure titanium and at least comprises an intraoral section, an endosteal section and an intra radicular section which are coaxially arranged in sequence, wherein the intraoral section is exposed in an oral cavity and used for installing and fixing a false tooth; the endosteal section is implanted into an alveolar bone and fixed by the alveolar bone; and the intra radicular section is implanted into a residual root of a missing tooth and fixed by the residual root. Compared with the traditional implant adopted in a false tooth implanting surgery, the invention has the advantages that: the residual root and the alveolar bone realize dual fixation on the implant of the false tooth and are more stable and firm, and the implant has high primary stability and lays a good foundation for late repair; the residual root removal of the missing tooth is not needed, the surgery is simple, and alveolar bone over-damage is prevented; postoperative complications are slight, the false tooth can immediately bear a load, and the single-tooth residual root implant is suitable for a patient with special worry, completely compatible with the surgical equipment of the traditional implant and easy for application.

The invention discloses a micro titanium plate magnetic attachment, comprising a titanium plate (1), wherein at least two screw holes are arranged on the titanium plate (1); micro titanium bolts (2) which are 3-5mm long are matched with the screw holes; and an armature (3) is fixed on the upper surface of the titanium plate (1). Compared with the prior art, the micro titanium plate magnetic attachment has the main difference that a planar titanium plate and at least two micro titanium bolts are arranged; under the premise of ensuring the combination force between the micro titanium bolts and the alveolar bones, the lengths of the micro titanium bolts can be shortened to 3-5mm and the diameters are decreased so that the wound after the operation is small and the fixing depth is shallow; and the implantation period is greatly shortened to only about two weeks so that the pain of a patient during the implantation of the denture attachment is relieved. The micro titanium plate magnetic attachment is particularly suitable for the old that cannot wear movable dentures as the alveolar bones shrink due to bone resorption and the weight is insufficient, so that the old can eat normally, pronounce and perform social activities; and good effect is brought to the restoration of the single-jaw dentures with severe bone resorption and the fixation of the dentures in the canine tooth areas.

The invention relates to the technical field of tooth implantation guide plates, and discloses a high-precision implantation guide plate. The high-precision implantation guide plate comprises an implantation guide plate body, a spring buckle assembly and a mounting hole part arranged on the implantation guide plate body and used for implanting a false tooth, wherein the implantation guide plate body is provided with at least two spring buckle assemblies which are used for clamping, pressing and attaching to the tooth lip side surface of a patient. According to the high-precision implantation guide plate, the at least two spring buckle assemblies are additionally arranged on the implantation guide plate body and are combined to be used for being pressed and attached to the tooth lip side face of the patient, so that accurate positioning of an implantation site and direction for implanting a false tooth in the mounting hole part is realized, the stability is good, a metal mounting ring does not need to be placed in the mounting hole part, the clinical operation is more convenient, the accuracy of planting sites and directions is improved, moreover, the high-precision implantation guide plate is simple in overall structure and convenient to mount, does not need to be fixed by a lateral nail during mounting, and causes small trauma to a patient.

The invention discloses a precise tooth cutting machine needle. The precise tooth cutting machine needle comprises a clamping section and a cutting section, wherein the cutting section is conical, andthe clamping section and the cutting section are in smooth transition. The stress borne by the cutting section in a tooth cutting process is gradually changed, so that sudden breakage is not prone tohappening; a plurality of mark lines are arranged on the surface of the clamping section in the axial direction, each mark line surrounds the cylindrical surface of the clamping section by a circle,the mark lines are different in color, different mark lines can express different cutting depths of the machine needle, and a medical staff can be effectively reminded, so that secondary injuries caused by the fact that the machine needle touches soft tissues due to too deep cutting are avoided; and the alveolar bone can be reserved to the maximum extent, so that good conditions are created for later-period implantation, particularly immediate implantation and false tooth repair of a patient.

The invention relates to the field of complete implant dentures, and provides a processing technology for manufacturing an implant pure titanium bridge denture by combining additive and subtractive materials. The processing technology comprises the following steps that a transfer rod is clinically installed, a formal impression is taken, and a plaster model is poured; the shape of the bridge is evaluated by using the formal restoration, and back-cutting is carried out to manufacture a resin bridge; scanning and printing of the shape of the resin bridge are carried out by using a 3D scanning and printing technology; CAD software is used for scanning a resin bridge interface, designed data are output to CAM equipment, a pure titanium bridge interface is accurately cut, and a screw retentionhole is formed in a pure titanium bridge. According to the method, material waste is effectively reduced in a 3D scanning printing additive mode, the formed pure titanium bridge can be of a hollow structure, the weight of a finished product is effectively reduced, the material cost is reduced, meanwhile, bonding of external materials is facilitated due to the rough surface, a rough surface does not need to be manufactured on the pure titanium bridge, and then the manufacturing efficiency of the finished product is improved.

The invention discloses an occlusion positioner supported by an implant, and the positioner comprises a silicon rubber fixing part connected on the implant and a central bolt for fixing the silicon rubber fixing part on the implant, wherein the central bolt penetrates through the silicon rubber fixing part from the middle part and is screwed on the implant. The periphery of the head of the central bolt is circular, the peripheral size of the silicone rubber fixing part is gradually increased from top to bottom, and the polymerization degree of the silicone rubber fixing part is 5-10 degrees. The occlusion positioner is simple and reasonable in structure and easy to manufacture and use, the accuracy of occlusion records is improved, the adjusting and changing procedures and time of the false tooth at the chair side end are reduced, the rework rate is reduced, the better implant false tooth repairing effect is obtained, and the satisfaction degree of a patient is higher. In addition, by using the occlusion locator, the occlusion recording process of the free end deletion implantation case can be simplified, and the waiting time beside the chair is shortened.

The invention discloses an implant false tooth with a spring damper telescopic base table. The implant false tooth comprises an implant body, a lower telescopic base table, an upper telescopic base table, a fixing screw, a damper, a base table cover and an implant dental crown. The implant false tooth with the spring damper telescopic base table provided by the invention has the beneficial effectsthat the telescopic base table overcomes the defects of a traditional base table and plays a role in buffering occlusal force. Damping values of natural teeth and implants in the mouth of a patient can be measured clinically, a proper damper is selected, and the natural teeth are simulated to the maximum extent, so that optimal occlusion contact and occlusion force are achieved.

The invention discloses a dental implant repair screw looseness monitoring system and method, wherein the system comprises a vibration module which is used for providing mechanical vibration for an implant denture, a signal acquisition module which is used for acquiring a vibration signal of the implant denture, and a data processing module which is used for detecting whether the repair screw in the implant denture is loosened or not according to the collected vibration signal. According to the invention, mechanical vibration is generated to the denture, the vibration signal in the denture is collected, whether the repair screw in the denture is loosened is detected according to the vibration signal, the structure is simple, the operation is convenient, and the monitoring precision is high. The system and method can be widely applied to the technical field of implant dentures.

The invention relates to the field of planting rod clamps, in particular to an adjustable combined type planting rod clamp. The adjustable combined type planting rod clamp comprises splicing rod clamps, upper protruding parts, lower protruding parts, implants, bearing parts, limiting grooves, adjusting heads, embedding parts, connecting columns, adjusting parts, connecting bases and threaded rods, the multiple splicing rod clamps are arranged at equal intervals and equal angles, inserting holes are formed in the tops of the splicing rod clamps, the upper protruding parts are arranged on one sides of the splicing rod clamps, and the lower protruding parts are arranged on the other sides of the splicing rod clamps. Lower protruding parts are arranged on the other sides of the splicing rod clamps correspondingly, positioning holes are formed in the tops of the upper protruding parts correspondingly, and limiting grooves are formed in the bottoms of the upper protruding parts and the tops of the lower protruding parts correspondingly. When the adjustable composite implant rod clamp provided by the invention is used, the overall length of the implant rod clamp can be spliced and adjusted according to the oral cavity, the frontal bone and the like of a user, and the radian of the implant rod clamp can be adjusted, so that the adjustable composite implant rod clamp is suitable for different crowds or is matched with implant dentures with different lengths for installation.

The invention provides a dental implant provided with multiple sections of threads. The dental implant comprises a dental crown and an implant, wherein the implant consists of an implant head, an implant neck and an implant root which are arranged sequentially from top to bottom; a groove is formed in the dental crown, the implant head is embedded into the groove, and the implant head is in interference fit with the groove of the dental crown; the implant root is provided with three sections of threads which are respectively a first thread section arranged at an upper part of the implant root,a second thread section arranged at a middle part of the implant root, and a third thread section arranged at a lower part of the implant root; and a tooth form depth of the first thread section is less than that of the second thread section. The dental implant provided by the invention has improved initial stability, is firmly fixed, effectively avoids the looseness of the dental implant, and reduces the stress in an alveolar bone, thereby improving the long-term stability of the implant, inducing osteoclastogenesis, promoting bone interface fusion, reducing bone resorption around the implant root, prevents bacteria from entering and being capable of widely applied to various implant denture restoration processes for hypodontia.

The invention discloses a central screw, which can be used for an implant denture and comprises a screw head and a screw rod, a first countersunk hole is formed in the upper end of the screw head, anda first through hole is formed in the screw rod. The screw head is composed of an upper cylinder part and a lower circle table part, and the first countersunk hole is formed in the upper cylinder part. The screw rod is round, and the outer wall of the lower part of the screw rod is provided with a first thread. The cross section of the first through hole is in a multilateral shape, elliptic shapeor special shape. The invention also discloses an implant denture and a fracture repairing device. The implant denture comprises a dental implant and a base plate, the base plate is connected to thedental implant through a central screw. The fracture repairing device comprises a handle and a rotating rod, the repairing device is used for taking out a fractured central screw, the invention also discloses a fracture repairing method of the central screw. The implant denture has a simple structure, is convenient in later maintenance and replacement, and has high creativity.