Digital complete denture manufacturing method

Through the digital full-mouth denture production method, the problems of low precision and low efficiency of full-mouth denture production in the existing technology are solved, and higher accuracy and efficiency are achieved, and patient comfort and processing efficiency are improved.

CN119700349APending Publication Date: 2025-03-28SHANGHAI STOMATOLOGICAL HOSPITAL FUDAN UNIV
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Patent Information

Application Number
CN202411820232.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2025-03-28

AI Technical Summary

Technical Problem

The existing methods of full-mouth denture production have problems such as complex manual operation, high sensitivity, low production accuracy and low efficiency, especially in the installation of Gothic bows and surface bows, as well as mechanical strength and biosafety of additive manufacturing.

Method used

The digital full-mouth denture production method is adopted to obtain the digital information of the intraoral soft tissue of the upper and lower jaws, a digital model of the surface scanning tray is established, and the information after the upper and lower jaw median relationship and surface scanning registration is obtained through optical scanning. Then design a tooth test tray, install a Gothic bow, scan the closed-mouth impression, combine the motion trajectory to generate the final upper and lower mandibular soft tissue model, and perform precision processing to form the final denture.

Benefits of technology

The production accuracy and efficiency of full-mouth dentures are improved, and the errors that may occur during traditional hand-made production are reduced, making the personalized design of dentures more accurate, the clinical operation is more standardized and consistent, the patient's comfort is improved, and the processing time and difficulty are greatly reduced.

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Abstract

The invention provides a digital complete denture manufacturing method which comprises the following steps: designing a personalized tooth test tray with exposed anterior teeth on the basis of surface scanning and an impression, then wearing the personalized tooth test tray to manufacture a closed impression, determining a vertical and horizontal jaw position relationship, and then precisely machining a complete denture by adopting a digital method. By adopting the method provided by the invention, the patient can wear a pair of closely-attached and comfortable complete dentures when seeing a doctor for the third time. The whole-process digital processing method is adopted, clinical operation is more standard and consistent, the comfort level of a patient is improved, and the processing time and difficulty are greatly reduced.
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