46 results about "Dental alveolus" patented technology

The invention relates to an individualized biomimetic dental implant and a manufacture method thereof. The invention is characterized in that the dental implant comprises an implant body for imitating the original tooth root tissue structure of a patient's missing tooth and also comprises a biomimetic artificial alveolar bone structure outer-layer for imitating a patient's alveolar bone tissue structure. The biomimetic artificial alveolar bone structure outer-layer and the external surface of the implant body are combined as a whole. The biomimetic tooth root implant body's outer layer is a 3D printed biomimetic artificial alveolar bone structure outer-layer which is combined with the implant body to form a whole structure, and is similar to the tissue structures of missing tooth's original tooth root and alveolar bone. Thus, the invention provides an ideal implementation scheme of a biomimetic artificial tooth root structure. What is the most important is that the invention provides a structure which is beneficial to bone marrow stem cell and osteogenesis-related cell adhesion, proliferation and mineralization and gives play to final osteogenic function and has good bioactivity. Therefore, a microenvironment for promoting osteogenesis is created, osteocyte generation is induced, and early rapid and firm synosteosis is realized.

A method is provided that includes advancing a drill having a distal end through an occlusal cortex into trabecular bone of an alveolar ridge, and ceasing the advancing of the drill when the distal end of the drill reaches an occlusal surface of a superior cortex of the alveolar ridge. Other embodiments are also described.

The invention relates to an individual biomimetic dental implant and a making method thereof, and the individual biomimetic dental implant includes an implant body imitating an original teeth root tissue structure of a missing tooth of a patient, a bionic artificial alveolar bone structure outer layer which is bonded with the outer surface of the implant body into one body, and biological protein molecule-bone morphogenetic protein (BMP) which is attached to the bionic artificial alveolar bone structure outer layer. The implant body and the bionic artificial alveolar bone structure outer layer are overall 3D-printed, and are similar to the original teeth root tissue structure and the alveolar bone tissue structure of the missing tooth of the patient, and the BMP-modified biological protein molecule promoting rapid bone formation is added, so that an ideal bionic artificial teeth root tissue structure is provided. The most important is to provide a good biological activity structure which is conducive to bone marrow stem cell and bone formation-related cell adhesion, proliferation and mineralization to finally play the osteogenic function, a bone formation promotion microenvironment is created, bone cell formation is induced, and early rapid and strong bone combination can be realized.

The invention discloses an asymmetric dental implant matching with the jawbone section shape. The asymmetric dental implants can be divided into two groups: namely the single type and the multi type according to the number of the designed tooth root implant; two groups: namely the straight type and the bend type according to the need of the position where a dental implant is planted; two groups: namely the single tooth type and multi tooth type according to the number of the designed dental crown; and two groups: namely the coaxial type and the preset deflection angle type according to the including angel between the tooth root and the baseline of the tooth crown; the various types mentioned above can be combined with each other to form various combined types, the asymmetric dental implants are provided with various sizes, so the operator can choose the most suitable type and size of the asymmetric dental implants according to the dissection characteristics of the planted alveolar bone of the patients.

The invention discloses a throat medicine spraying device conveniently operated by one man. The throat medicine spraying device comprises a tooth socket, tooth grooves are formed in the upper surfaceand the lower surface of the tooth socket, a through groove is formed in the middle of the tooth socket, slide rods are embedded to the upper inner wall and the lower inner wall of the through groove,opposite abutting plates are fixedly connected to the slide rods, a universal ball is embedded between the abutting plates, and infusion pipes are communicated with the two sides of the universal ball; an atomizing nozzle is communicated with the portion, located at the tail end of the left side of the universal ball, of the infusion pipes. By means of the throat medicine spraying device conveniently operated by one man, and through the arrangement of the universal ball, the slide rods and a holding rod, with the tooth socket being the support, the position of the atomizing nozzle in the oralcavity is conveniently adjusted; through the arrangement of an inspectoscope, a front-surface mirror and lamp beads, a patient conveniently observes the wounded part by himself or herself, medicine is precisely applied, the dosage of the medicine is saved, and the stimulation and injury of the oral cavity are lowered.

A gingival tissue retractor for retracting gingival tissue away from tooth and bone during a surgical procedure having an alveolar bone grip having an open frame structure positionable over at least one tooth and along a predetermined segment of an alveolar bone and providing an inward resilient force about opposite sides of the alveolar bone for maintaining position of the gingival retractor; a first gingival reflector having a solid plate structure and attached to a lower section of one side of the alveolar bone grip for providing a primarily downward force to gingival tissue on one side of the alveolar bone; and a second gingival reflector having a solid plate structure and attached to a lower section of another side of the alveolar bone grip for providing a primarily downward force to gingival tissue on another side of the alveolar bone.

The invention discloses a titanium mesh device with an individualized bone ridge regeneration titanium mesh, for an accurate implant tooth repairing operation. The titanium mesh device comprises the titanium mesh, an implant fossa guide hole and positioning sleeves, wherein the titanium mesh is connected with the guide hole; and the positioning sleeves extend in the direction from the titanium mesh to neighbor teeth. The invention also discloses a manufacturing method of the titanium mesh device with the individualized bone ridge regeneration titanium mesh, for an accurate implant tooth repairing operation. According to the titanium mesh device with an individualized bone ridge regeneration titanium mesh, for an accurate implant tooth repairing operation disclosed by the invention, parameters including external dimensions and the like, of the individualized shape titanium mesh are suitable for the requirements of different patients, the two positioning sleeves extending from the edge of the titanium mesh are used for being fixed with the neighbor teeth on two sides; the neighbor teeth on two sides are used as main fixing stress supporting points to perform fine adjustment on the shape of the titanium mesh, so that the situation that the titanium mesh is tightly jointed to an alveolar bone wall without relying on the experience of a clinician can be realized, and after the operation, the growth of the bone is effectively guaranteed.

The invention relates to an operation guide plate for preparing a dental socket for autologous tooth transplantation and a manufacturing method and application thereof. The operation guide plate for preparing a dental socket for autologous tooth transplantation comprises an occlusal plate which is occluded on teeth, and a plurality of cylindrical channels which extend along the longitudinal direction and allow a ball drill to penetrate are arranged on the occlusal plate; and all the cylindrical channels are combined to form a shape that matches the root contour of the donor tooth. According to the invention, the position of the donor tooth is virtually designed through a computer, and the operation guide plate or an operation guide plate assembly is designed to guide the preparation of the host-site tooth socket. The operation guide plate not only has simple structure, but also can improve the preparation precision of the host-site dental socket, so that the guided and prepared dental socket has high matching degree; and in addition, the operation guide plate can effectively ensure that the donor tooth is matched and occluded with the host site.

The invention discloses a use method of a dental suppository channel type attachment. The use method comprises the following steps: determining position information of the suppository channel type attachment according to alveolar cavity information; acquiring shape information of a suppository channel, and performing conventional preparation on an abutment tooth in front of a tooth lacking gap; acquiring inclination information of an abutment tooth behind the tooth lacking gap, and performing conventional preparation on the abutment tooth behind the tooth lacking gap; preparing a tooth impression according to the alveolar cavity information, preparing a rear half part fixed false tooth according to the tooth impression, and placing a suppository body at a position close to the center of the alveolar cavity; manufacturing a front half part fixed false tooth according to the tooth impression; mounting the rear half part fixed false tooth in an alveolar cavity of a patient, and fixedly mounting the front half part fixed false tooth at one end, far away from the alveolar cavity, of the rear half part fixed false tooth by using an adhesive. The suppository body and abutment teeth on oneside are used for obtaining a common positioning channel, and teeth are ground as little as possible on the other side, so that the purpose of storing tooth tissue as possible is achieved.

The invention discloses a novel dental impression tray for fine oral impression production, and relates to the technical field of medical appliances. The tray includes a right supporting plate and a left supporting plate, a through hole is arranged in one side of the right supporting plate, a fixing groove is arranged in one side of the left supporting plate, a pin shaft is movably connected in the fixing groove, and the middle part of the pin shaft is movably connected with the inner wall of the through hole; and the top ends of the right supporting plate and the left supporting plate are fixedly connected with a tooth socket, a nano air cushion is fixedly connected in the tooth socket, and an air filling hole is arranged in the surface of the tooth socket. According to the tray, throughcooperation of the nano air cushion and the air filling hole, molding can be conveniently performed on patients with high arch of palatal caps and uneven dentition, the problem that work efficiency isaffected because molding is trouble is solved, and the work efficiency is improved; and through cooperation of clamping grooves, a spring, a fixing rod, a sliding groove and blocking blocks, the angle of the tooth socket can be adjusted, so that the problem of replacing the tooth socket back and forth is solved, and the work efficiency is improved.

The invention relates to an automatic rapid helical tooth shape abutting structure of a foundation pile. An external-thread circular truncated cone which protrudes to extend and is provided with bulged threads is axially arranged on the lower end of an upper to-be-abutted foundation pile, spaced frustum teeth and frustum tooth sockets of which the screwing direction is coincident with that of threads on the external-thread circular truncated cone are uniformly distributed around the upper end of the external-thread circular truncated cone, an internal-thread circular truncated cone groove which is matched and coincides with the external-thread circular truncated cone is axially formed in the upper end of a lower to-be-abutted foundation pile, conical wall tooth sockets which are in tooth shape abutting with the frustum teeth are uniformly distributed around the upper end of the internal-thread circular truncated cone groove, and the conical wall tooth sockets and conical wall teeth are staggered at intervals; during abutting, quick-drying high-strength cement slurry is applied to the outer parts of the external-thread circular truncated cone and the frustum teeth and the inner parts of the internal-thread circular truncated cone groove and the conical wall tooth sockets. The automatic rapid helical tooth shape abutting structure of the foundation pile has the advantages of simple structure, low cost, time saving, labor saving, stability and reliability, and the automatic rapid helical tooth shape abutting of the foundation pile can be realized.

The invention belongs to the technical field of dental implants, and in particular relates to a self-tapping dental implant, which includes a body, two ends of the body are respectively provided with a screw-in end and a coronal end for connecting a dental prosthesis, and the outer surface of the coronal end There is a double-start thread starting from the body and ending at the mouth edge of the crown end. The beneficial effects of the present invention are: the friction force formed by the screwing of the double-start thread and the crest is small, which facilitates the self-tapping of the dental implant; the damage to the bone of the crest is minimal during the insertion process, and the force is small and evenly distributed. Avoid local stress concentration; the area of ​​attachment increases, which can easily improve the osseointegration strength of the implant, and the stress level in the later stage is low; under the conditions of external load and constraints, the stress and strain of the cortical bone are reduced, and it is not easy to Local stress concentration is generated, and the teeth are very strong. The teeth are very strong; when screwed into the crest, the resistance is small, the self-tapping performance is good, and the amount of alveolar bone that can be accommodated is high, and the stability is high.

The invention discloses an invisible appliance for III type malocclusion. The appliance is provided with energy storage components, an appliance body is made from a polymer material, and traction hooks or lingual side buckles are attached to the lingual sides of C6 and D6 and labial sides and lingual sides of C4 and D4 of the corresponding tooth positions on the appliance; each pair of the traction hooks or lingual side buckles between the lingual sides of C4 and C6 and between the lingual sides of D4 and D6 are sleeved with rubber bands, spring wires, stainless steel wires, titanium-nickel alloy and other energy storage components, and the positions between the traction hooks or lingual side buckles at the labial sides of C4 and D4 and biological anchorage nails knocked in the mandibularalveolar bone of the corresponding same side are also sleeved with congeneric energy storage components. When the whole pushback force is formed to the underjaw, the whole anchorage of the teeth is ensured, and front tooth lip leaning or tooth rotation cannot be caused. The appliance adopts a 3D technology, is combined with digital orthodontic software, solves the problems of bite, malocclusion and crowded dentition by fixing the rubber bands, the spring wires, the stainless steel wires, the titanium-nickel alloy and the other energy storage components on the traction hooks or lingual side buckles bonded or integrally formed on the invisible appliance, achieves the correction purpose of quickly moving teeth, can greatly shorten the correction cycle, can also avoid a jaw opening surgery, and greatly reduce wounds.

The invention relates to a medical tool and to a method for using the medical tool for removing tooth fragments, in particular tooth roots and/or remainders of tooth roots, from a tooth socket or an alveole in the region of the jaw.

A dental device for the treatment of dental alveoli, comprising a suction element; and a dental impression of a patient which defines at least one sealing surface configured to seal an alveolus of said patient. The sealing surface has a suction hole connected to the suction element in order to create a vacuum in the alveolus. Method for manufacturing a dental device for the treatment of dental alveoli and a kit associated with it.