61results about "Dental aids" patented technology

A splint device (100) for robotically-guided surgery includes elongate first and second splint portions (200, 400) each having opposed longitudinal ends and an interface edge extending between the ends, wherein the respective interface edges (250, 450) are arranged as a complement to each other. First and second alignment elements (800A, 800B) engaged with the first and second splint portions are arranged to interact with each other such that a substantially consistent gap is defined between the first and second interface edges, from the first ends to the second ends of the first and second splint portions. A threaded member (900) is engaged between the first and second splint portions and arranged to advance the first and second interface edges toward each other in response to advancement of the threaded member. A tracking portion (1000) having a kinematic mount (1100) engaged therewith is engaged with the first or second splint portion and extends outwardly therefrom. An associated method is also provided.

The present invention addresses the problem of providing an auxiliary instrument for dental treatment capable of being easily removed from a tooth restored while hardly causing pain to a patient when removing the auxiliary instrument for dental treatment after curing a curable composition for tooth restoration. One aspect for solving the above problem is an auxiliary instrument for dental treatment, the auxiliary instrument having a body part having a recessed opening part capable of accommodating at least a portion required to be restored of a tooth restored of a patient, wherein: a portion at least accommodating the portion required to be restored has an inner surface shape corresponding to a preliminarily designed outer surface shape of the portion required to be restored of the tooth after restoration; in a state in which the body part is elastically deformed and attached to the tooth restored, a cavity is formed by the inner surface shape and the outer surface shape of the tooth restored; the auxiliary instrument for dental treatment restores the tooth restored by irradiating a dental photocurable composition introduced into the cavity with light in a state of being attached to the tooth restored to cure the dental photocurable composition; and a resin material having a tensile elongation in accordance with JIS K6251 of 10%-60% is used.

Described are various embodiments of a butterfly-shaped dental matrix band for performing fillings on two adjacent teeth simultaneously. In one embodiment, the band comprises a central portion, the central portion resting at the contact point upon the band being engaged in-between the adjacent teeth; two thin and pliable adjacent wings, each wing surrounding and extending away circumferentially from an edge of the central portion, and wherein a first portion of each wing comprising an area extending from said central portion to a lower edge of each wing along said vertical axis has a thickness equal to at most half the thickness of the central portion; and a second portion of each wing not included in said first portion has a thickness equal to the thickness of the central portion. In some embodiments, each wing has a tab at the upper edge thereof to grab and manipulate the matrix band.

Dental matrices and crowns are disclosed for making dental veneers and crowns on teeth. The dental matrices are adapted to the specific tooth type (e.g., premolars, molars, canines, incisors, palatal teeth, lingual teeth) to be treated in a single procedure, and can provide a veneer on the tooth for an aesthetically pleasing appearance and then be resurfaced. The dental matrix for forming a crown on a tooth includes a body with expandable tabs, allowing the diameter of the opening to be expanded for removal of the matrix from the formed crown.

The utility model discloses an implantation guide plate with a rubber barrier, which particularly relates to the field of dental implantation and comprises a positioning plate, rubber barrier cloth is arranged at the upper end of the positioning plate, a guide plate is arranged at the upper end of the rubber barrier cloth, a positioning groove is formed in the bottom end of the positioning plate, a clamping plate is arranged in the positioning groove, and a clamping groove is formed in the clamping plate. A positioning groove is formed in the upper end of the positioning plate, a positioning protrusion is arranged at the bottom end of the guide plate, a guide ring is fixedly arranged in the middle of the guide plate, and a guide ring in-place hole is formed in the upper end of the positioning plate. According to the utility model, the rubber barrier cloth is arranged between the positioning plate and the guide plate, can play roles in isolating moisture, isolating infection, clearing the visual field, pulling soft tissues and the like, can prevent cooling water, saliva or blood from influencing the operation of medical personnel during hole preparation, and can improve the visual field in the oral cavity and the success rate of the implant.

The utility model discloses a rubber barrier convenient for fixing an implanted tooth, which belongs to the technical field of rubber barriers, and comprises a rubber blanket, a limiting component, a support II and two tooth clamping components, the rubber blanket covers the outer surface of the tooth, the tooth clamping components are clamped on the surface of the tooth through the rubber blanket, and the limiting component is arranged on the support II. Support assemblies are installed at the two ends of the second support, the rubber cloth wraps the outer surfaces of the support assemblies and the second support, the tooth clamping assembly comprises a limiting bolt and two sets of clamping blocks, inserting grooves are formed in the ends, close to each other, of the two clamping blocks, the inserting grooves are matched with the limiting bolt, and teeth needing to be treated penetrate through the rubber cloth after the rubber cloth is perforated. According to the utility model, the teeth to be treated are isolated from the oral cavity through the two tooth clamping assemblies, and the two tooth clamping assemblies are clamped on two adjacent teeth of the teeth to be treated through the rubber blanket, so that the rubber blanket is effectively fixed without occupying the operation space of a doctor, and the use convenience can be improved.

There is obtained a cheek retractor that a right outer flange and a left outer flange are provided with a right personal authentication identification code plate portion and a left personal authentication identification code plate portion, respectively, on which two-dimensional barcodes are printed. Since the cheek retractor is mounted on an oral cavity of a patient by holding an arm, which is close to the right personal authentication identification code plate portion and the left personal authentication identification code plate portion, by hand and by pushing the arm inward against a spring force, and an image including a right personal authentication identification code and a left personal authentication identification code is captured, even without experience, an image can be captured to encompass the entirety of a mouth, and since identification information of the patient can be acquired, who the patient is can be grasped.

Dental matrices and crowns are disclosed for making dental veneers and crowns on a tooth. The dental matrix is adapted for the specific tooth type (e.g., premolar, molar, canine, incisor, palatal, lingual) being treated in a single treatment, which results in a veneer on the tooth, which may then be resurfaced, for an aesthetically pleasing appearance. A dental matrix for forming a crown on a tooth includes a body having an expandable tab, which allows the diameter of an opening to be expanded for removal of the matrix from the formed crown.

An insert is configured to place one or more dental fillings between a first tooth and a second tooth of a patient. The insert comprises a guide sized and shaped to fit between a first tooth and a second tooth, and an elongate body extending in a longitudinal direction. The elongate body comprises a first curved portion to shape a first filling on the first tooth, a second curved portion to shape a second filling on the second tooth and a gum engagement structure sized and shaped to engage with a gum of the patient.

To provide mold cavities customized to suit an individual patient.SOLUTION: A custom tool for forming a dental restoration molding in a mouth of a patient includes a mold body providing a customized fit with at least a specific tooth of the patient. The mold body includes a facial portion 12 forming a facial surface corresponding to a facial surface of the specific tooth, a lingual portion 30 forming a lingual surface corresponding to a lingual surface of the specific tooth, and an incisal portion forming an incisal surface corresponding to an incisal surface of the specific tooth. The mold body is configured to combine with the specific tooth to form a mold cavity encompassing a missing tooth structure of the specific tooth.SELECTED DRAWING: Figure 4

The application relates to the technical field of dental instruments, in particular to an intelligent bite pad integrated with an opening device and a rubber dam clamp, which comprises a rubber dam clamp, the rubber dam clamp comprises two clamping arms and an elastic arc bow, the two clamping arms are connected through the arc bow, a first bite part is arranged on one side of the clamping arms close to the arc bow, a connecting shell is fixedly arranged on the top of the first bite part, a connecting port is arranged on the side, away from the first bite part, of the connecting shell, a second bite part is movably arranged on the connecting shell, an adjusting assembly for adjusting the distance between the first bite part and the second bite part is arranged in the connecting port, and bite grooves are arranged on the sides, away from each other, of the first bite part and the second bite part. During oral treatment, the rubber dam cloth is used to separate the diseased tooth from other oral structures, the diseased tooth is isolated, the patient bites the first bite part and the second bite part, the oral cavity of the patient is supported, and the comfort of the patient is improved.

Provided herein is a retraction device for retracting soft tissue from the dental surfaces in the oral cavity of a patient. The retraction device is comprised of a topology conformable structure, where the topology conformable structure is adaptable to be delivered to the oral cavity in a constrained shape. The device can then undergo a conformation change in the oral cavity, where the device transforms into its unconstrained shape. The unconstrained shape of the device creates a useable working field in the oral cavity. The useable working field can provide increased accessibility to and / or visibility within the oral cavity. Also provided herein are methods for using the device and kits.

A dental matrix band system is shown comprising a circumferential matrix band, tensioner assembly, and readily releasable activator. Selective application of opposing lateral forces to the activator serves to facilitate mating and decoupling of the tensioner and applicator and selective application of opposing rotational forces to the applicator serves to tighten and loosen the circumferential matrix band.

The utility model belongs to the technical field of rubber barrier clips, and particularly relates to a rear tooth rubber barrier clip stabilizing device. Comprising an elastic metal ring, the elastic metal ring is an open ring, rubber barrier clamping assemblies are fixedly arranged at the two ends of the elastic metal ring, and two stabilizing assemblies are arranged on the inner side of the elastic metal ring. According to the utility model, the stabilizing assembly is arranged to provide upward supporting force for the rubber barrier clamping assembly clamped on the rear teeth, so that the rubber barrier clamping assembly tends to be horizontal, and the rubber barrier clamping assembly in the horizontal state can prevent the rubber barrier clamping assembly from being inclined due to stress and colliding with the gingiva of a treated child; the problem that the tooth treatment progress is affected due to the fact that children feel painful due to the fact that the children do physical reactions when eating the teeth, and the physical reactions of the children not only affect doctors to observe the teeth needing to be treated of the children, but also enable the doctors not to treat the teeth through medical instruments is solved.

The utility model discloses a stay wire type tooth space wedge which comprises a space wedge body and a stay wire, the space wedge body is an elastic body, a through hole is formed in the center of the space wedge body in the length direction in a penetrating mode, and the stay wire is fixedly connected in the through hole and protrudes out of the two ends of the space wedge body. The gap wedge body comprises a small end and a large end, the size of the gap wedge body is gradually increased from the small end to the large end so that the gap wedge body can be in a wedge shape, and at least one concave area is arranged on the outer wall of the gap wedge body in the circumferential direction. According to the pull line type tooth space wedge, the tooth space wedge can be more conveniently placed in a tooth space, the whole tooth space can be plugged tightly after the pull line type tooth space wedge is pulled, the forming piece is made to make close contact with a hole-shaped gingival wall, the pull line type tooth space wedge can adapt to spaces of different tooth spaces, gingival walls on the two sides of a cheek tongue can be plugged tightly, overhang is avoided, multiple sizes do not need to be designed, and the application range is wider.

The utility model relates to the technical field of medical supplies, and discloses an oral cavity rubber barrier capable of absorbing water, which comprises a fixing frame, the bottom of the fixing frame is fixedly connected with a bottom layer rubber barrier, the bottom of the bottom layer rubber barrier is fixedly connected with a plurality of tooth position sleeves, the top of the fixing frame is fixedly connected with a top layer rubber barrier, and the top layer rubber barrier is fixedly connected with a plurality of tooth position sleeves. A plurality of flow guide holes are formed in the top of the top-layer rubber barrier, a drainage tube is fixedly connected to the interior of the bottom-layer rubber barrier, and a drooping suction tube is fixedly connected to the exterior of the drainage tube. According to the utility model, through the matching of the double-layer rubber barriers and the use of the flow guide holes, liquid contained in the oral cavity can be conveniently sucked out through the drainage tube during use, the drying degree and the operation visual field in the oral cavity treatment process are improved through the design, and the discomfort of a patient in the treatment process is reduced; the safety and the efficiency of dental treatment can be improved, and a doctor can be ensured to operate in a clear and comfortable environment.

The invention discloses a tooth root filling and repairing former, which belongs to the technical field of oral medicine and comprises a plurality of forming sheets in different forms. A connecting part of the positioning and fixing mechanism is detachably connected with the forming sheet, and the positioning and fixing mechanism is used for positioning the position of the forming sheet and fixing the forming sheet. According to the anatomical forms of different tooth roots, through the repairing pieces in different forms, the tooth root filling repairing device can adapt to the shapes of various tooth roots, tooth root filling repairing is facilitated, filling steps are prevented from being formed, filling repairing convenience, accuracy and adaptation are improved, and the correct physiological anatomical form of the tooth roots is recovered.

A tooth clamp for mounting on, and rigidly clamping to, a plurality of teeth. The tooth clamp includes a buccal side portion, a lingual side portion, at least one tightening mechanism, and a coupling portion. The buccal side portion is disposed on a buccal side, and the lingual side portion is disposed on a lingual side, of the plurality of teeth, when the tooth clamp is mounted thereon. The at least one tightening mechanism is configured to allow a user to progressively bring the buccal and lingual side portions closer together, to thereby engage the plurality of teeth with a desired amount of clamping force. The coupling portion is configured to rigidly couple the clamp to a robotic dental system. Inwardly-facing sides of the buccal and lingual side portions include impression portions, which are shaped as impressions of the buccal side and the lingual side, respectively, of the subject's teeth.

The utility model discloses a rubber barrier turning device, which belongs to the technical field of medical instruments and comprises a handheld rod, the handheld rod comprises a turning end and a bent barrier turning end, the barrier turning end is provided with arc-shaped heads with gradually reduced thickness, the arc-shaped heads are arranged in a cross shape, and the central normal of the cross shape coincides with the central axis of the barrier turning end. One straight line in the cross shape is coplanar with the axis of the handheld rod, the inner arc face of the arc-shaped head is opposite to the handheld rod, and the turnover end is provided with a flat head with the thickness gradually reduced. The arc-shaped heads are arranged in a cross-shaped mode, so that barrier turning which is arranged in four directions and can give consideration to a wing method, a bow method and a rubber barrier clamp priority method is formed, the application range is wide, the flat head can effectively turn the edge of a rubber barrier into a gingival sulcus, the problem that a probe is prone to stabbing a patient can be avoided, and the operation is simple and convenient. In addition, the barrier turning and folding actions can be completed by using the rubber barrier turning device, so that the complexity caused by instrument replacement is avoided, the treatment time is saved, and the treatment efficiency is improved.

Techniques are described for automating the design and manufacture a dental restoration appliance for restoring the dental anatomy of a patient. For example, a system processes a digital three-dimensional (3D) model of a future (desired) dental anatomy of a patient, the future dental anatomy representing an intended shape of at least one tooth of the patient. The system includes a landmark identifier configured to automatically compute, based on the digital 3D model of the future dental anatomy of the patient, one or more landmarks of the future dental anatomy of the patient. The system also includes a custom feature generator configured to automatically generate, based on the one or more landmarks, one or more custom appliance features for a dental appliance for restoring the at least one tooth of the patient. The system further includes a memory device configured to store a digital model of the dental appliance.

The invention relates to the technical field of dental appliances, in particular to a gum retraction and protection device combined with a rubber barrier, which comprises a support component, extension devices are fixedly mounted on two sides of the support component, contact devices are fixedly mounted at the side ends of the extension devices away from the support component, and each contact device comprises a guide sliding sleeve, a support wing plate and a limiting plate. The supporting wing plates are fixedly installed at the bottoms of the two ends of the guiding sliding sleeve, the limiting plate is rotatably installed between the two supporting wing plates, the extending device comprises a positioning inserting plate, positioning vertical rods and an extending support, the positioning vertical rods are symmetrically and fixedly installed at the top of the extending support, and the positioning inserting plate is slidably connected to the outer rings of the positioning vertical rods in a sleeving mode; the supporting component comprises an auxiliary device, a positioning device and a limiting device. The auxiliary device and the positioning device are slidably inserted into the two ends of the interior of the limiting device. Through the arrangement of the contact device, the extension device and the supporting component, the purpose of integrating the multifunctional limiting function and the quick release function when the rubber barrier clip for gingival retraction is used is achieved.

The utility model discloses a hydrophobic and breathable rubber barrier for oral medicine, and belongs to the technical field of oral medical assistance. In order to solve the problem that a user cannot breathe smoothly due to the airtight characteristic of a rubber barrier, the rubber barrier comprises a rubber barrier perforated plate and rubber barrier cloth, the rubber barrier cloth comprises at least one hydrophobic breathable area, the hydrophobic breathable area is made of an elastic synthetic fiber material, a latex material structure is arranged on the periphery of the hydrophobic breathable area, and the latex material structure corresponds to the position of a punching point area of the rubber barrier punching plate; the hydrophobic breathable area and the latex material structure are fixed through a binder; and the elastic modulus of the elastic synthetic fiber material is lower than that of the latex material. The oral cavity treatment device is used for oral cavity treatment.

A dental matrix device positioned between a pair of teeth, the device having a first guide member, a second guide member, and a matrix band. The first guide member configured to be positioned on a first side of the pair of teeth and a second guide member configured to be positioned on a second side of the pair of teeth. The matrix band configured to, in the operable state, extend around at least a portion of the first guide member, between the pair of teeth, and around at least a portion of the second guide member, where the second side of the pair of teeth is opposite the first side of the pair of teeth, and the matrix band is configured to provide a barrier between the teeth during a dental procedure.

A dental retractor has molded flexural support members to provide upper lip, lower lip, and cheek retraction. The retraction provides unobstructed access and visibility for facial / labial areas of the mouth during dental procedures. The lips are prevented from touching gingival tissue and tooth structure. Lips and soft tissue are retracted and held safely away from dental tools. Labial retraction is provided by flexible members which, when positioned in the use position, provide elevation and retraction for the labial surfaces both maxillary and mandibular, the counteractive forces of the maxillary and mandibular support members keep the lips retracted and away from treatment areas. As the flexural support members are flexed for labial retraction, the medial portions of the support members bilaterally retract the cheeks due to the designed forces in the support members.

The utility model relates to the technical field of oral cavity restoration, and discloses a tooth filling forming clamp convenient to use, which comprises two clamping arms and two beak edges, the two beak edges are respectively arranged on the sides, close to each other, of the two clamping arms, the vertical height difference between the two beak edges is 3mm, and the width of the two beak edges is 10mm. And the beak edge is set to have different widths according to different clamped tooth positions. According to the utility model, through the unique design of the beak edges with one high part and one low part and the height difference of 3mm, hyperplasia gingiva can be pushed away in a non-invasive manner, so that wounds caused by traditional gingival resection are avoided, and the pain of a patient and the risk of postoperative complications are reduced; the diversified beak edge widths are adaptive to different tooth positions, so that the clear operation view is ensured, and the repairing precision is improved. Meanwhile, holes are formed in the clamping arms, so that the weight is reduced, the clamping wings are convenient to control, the connecting blocks and the clamping bows provide stable elastic support, the flexibility and stability of surgical operation are guaranteed, and the clinical treatment efficiency and the repair success rate are remarkably improved.

A dental composite placement protocol provides a flowable composite as the dentin replacement on the pulpal floor and gingival box and then cures the flowable composite. A first increment layer of paste-type composite resin is placed against the cured flowable composite whereby it fully encapsulates the preparation walls including the circumference of the cavosurface enamel margin, including the interproximal enamel, axial wall dentin, and matrix band. A stress relieving space is positioned in the middle of the preparation walls and the first increment layer, configured for allowing the composite to flow without constraint during curing. The first increment layer is cured. A final increment layer of paste-type composite resin is placed in the remaining space against the light-cured flowable composite and against the light-cured first increment wherein the final increment layer is placed against cured composite an not against tooth substrates; and the final increment layer is cured.