9 results about "Temporary prosthesis" patented technology

The invention provides a multi-source data fitting method and system for oral edentulous jaw implantation, and the method comprises the steps: S1, assembling a scanning rod on an implant of the oral cavity of a patient, carrying out the intraoral three-dimensional scanning of the scanning rod, and obtaining the intraoral scanning data of the three-dimensional positions of all implants; s2, assembling an implant surface scanning positioner on the first implant, performing extraoral three-dimensional photography on the facial information of the patient and the visual target, and obtaining the facial information of the patient and three-dimensional position facial scanning data of the first implant corresponding to the facial information of the patient; and S3, performing three-dimensional coordinate system alignment processing on the three-dimensional position intraoral scanning data of all the implants and the three-dimensional position facial scanning data of the first implant, so that the three-dimensional position intraoral scanning data of all the implants are registered with the facial information of the patient, and generating a temporary restoration model. According to the invention, the precise relation between all the implants in the oral cavity and the facial information of the patient can be established, so that the restoration adaptive to the personalized features of the facial of the patient is generated.

The invention belongs to the technical field of computer aided design, and provides a generative adversarial network-based personalized dental restoration intelligent design method, which comprises the following steps of: marking a difference set part connected with a temporary restoration region in a wearing three-dimensional model as a carrying model; carrying out combined Boolean operation on the temporary restoration body area and the undertaking model to obtain a combined part, and recording the combined part as a stress model; identifying a stress shielding area on the stress model according to the stress nephogram; performing elastic correction on the stress shielding area of the temporary restoration area to obtain a three-dimensional model of the dental restoration; the wall thickness of the strong sub-region with an unstable stress path caused by overall stress shielding is corrected through the wall thickness difference value of the corresponding elastic correction weak sub-region, the problem that overall stress shielding is converted into a local stress peak value is reduced, stress transmission is uniform, and the problem that stability fluctuates due to the fact that the stress path changes along with time is solved.

This invention provides a method for implanting a dental prosthesis, comprising: a first step of setting multiple implantation information along the dental arch in a three-dimensional planning image; a second step of flattening the alveolar bone and implanting the dental implants, and fixing a support device including a support abutment and a fixing rod to the upper side of the dental implants; a third step of modifying a temporary prosthesis to form a temporary mounting portion for inserting the support device on the inner surface of the temporary prosthesis; a fourth step of acquiring a modified scan image from the modified temporary prosthesis scan image in which the three-dimensional shape information of the temporary mounting portion is exposed externally, and exchanging the three-dimensional shape information of the temporary mounting portion with the virtual support device; and a fifth step of fixing the artificial tooth portion to the artificial gingiva to manufacture the final dental prosthesis, wherein the artificial gingiva portion has a mounting portion formed based on the virtual support device and is fixed with clips.

To provide a method of automatically generating a prosthesis from three-dimensional scan data and a computer-readable recording medium recording a program for causing a computer to perform the same.SOLUTION: A method of automatically generating a prosthesis from three-dimensional scan data includes the following steps of: automatically extracting from the three-dimensional scan data teeth information on each tooth included in the three-dimensional scan data; automatically extracting a margin line with respect to a prepared tooth; generating a plurality of two-dimensional images having the prepared tooth and an adjacent tooth adjacent to the prepared tooth; automatically generating three-dimensional temporary prosthesis data on the basis of the plurality of two-dimensional images; and deforming a single tooth model corresponding to the prepared tooth by using the margin line and the three-dimensional temporary prosthesis data, and generating three-dimensional prosthesis data.SELECTED DRAWING: Figure 1

A method of manufacturing a permanent prosthesis for attachment to a dental implant installed in a mouth of a patient includes scanning a patient specific temporary prosthesis (PSTP) to obtain scan data. The PSTP is attached to the dental implant in the mouth of the patient. Gingival tissue surrounding the PSTP is permitted to heal in the mouth of the patient. In response to aesthetics of the healed gingival tissue surrounding the PSTP in the mouth of the patient not being acceptable, the PSTP is physically modified by (i) removing material from the PSTP, (ii) adding material to the PSTP, or (iii) both. The modified PSTP is scanned and a permanent prosthesis is fabricated as a replica of the modified PSTP using scan data generated from the scan of the modified PSTP.

The invention discloses a combined digital guide plate system for free gingival transplantation, and belongs to the technical field of oral medicine. The invention discloses a combined digital guide plate system for free gingival transplantation. The combined digital guide plate system comprises a base guide plate, a receiving area half-thickness incision indication guide plate, a receiving area full-thickness incision indication guide plate, a temporary restoration-soft tissue fixing splint and a donor area indication guide plate, the base guide plate is used for positioning and fixing each guide plate in a receiving area and a temporary restoration-soft tissue fixing splint. According to the invention, a receiving area semi-thick incision indicating guide plate, a receiving area full thick valve incision indicating guide plate, a temporary restoration-soft tissue fixing splint and a donor area indicating guide plate are covered, and a combined structure design of a substrate guide plate and a split accessory guide plate is combined, so that the function integration of the whole treatment process of free gingival transplantation is realized. According to the invention, accurate positioning can be realized, damage to an anatomical structure can be avoided, semi-thick valves and full-thick valves can be accurately prepared, meanwhile, the agomphosis period of a patient can be shortened, vestibular sulcus springback can be prevented, and the curative effect of free gingival transplantation can be ensured.

The invention discloses a transgingival three-dimensional shape shaping tool box for a temporary prosthesis and a manufacturing method of the transgingival three-dimensional shape shaping tool box. Comprising a body and a shaping groove, the shaping groove is formed in the body, and the shaping groove is used for providing a placement space for an implant substitute and simulating the structure of a natural tooth penetrating gingival three-dimensional form; wherein the body comprises an upper body and a lower body; the upper body and the lower body are detachably connected; the shaping groove comprises an implant replacement body placing structure and a gum-penetrating contour forming structure, the implant replacement body placing structure is connected with the periphery of the gum-penetrating contour forming structure, the implant replacement body placing structure is used for placing an implant replacement body matched with an implant, and the gum-penetrating contour forming structure is used for accommodating a temporary repair abutment connected with the implant replacement body; and a natural tooth gingival penetrating three-dimensional form is simulated.

To improve the accuracy of dental restoration, the present application provides a method for manufacturing a dental restoration prosthesis, comprising: a first step of generating design information of a temporary prosthesis; a second step of correcting the position of a temporary bonding portion formed in the manufactured temporary prosthesis to correspond to the implant information of the implant; a third step of forming a confirmation model aligned and fixed to a base model, and acquiring a first auxiliary scanning image of the confirmation model; a fourth step of virtually overlapping a virtual support portion at the lower part of a virtual restoration portion, and virtually correcting the position of a virtual bonding portion included in the virtual support portion based on the first auxiliary scanning image; and a fifth step of manufacturing and assembling a metal support portion and a restoration portion, thereby manufacturing a dental restoration prosthesis.

This provides a method for preparing dental prostheses. [Solution] The method includes performing a first scan of a plurality of scannable temporary abutments, each having a scannable member, positioned on each dental implant. The method includes performing a second scan of temporary prostheses positioned on the plurality of scannable temporary abutments, each having a scannable member. The method includes generating a model of the final prosthesis based on the first and second scans using computer-aided design (CAD) software.