Synchronous line fixing-moving joint restoration method

Abstract

The invention discloses a synchronous line fixing-moving joint restoration method. The synchronous line fixing-moving joint restoration method has the advantages that a scanning measurer, computer-aided design software of a dental prosthesis, a miniature SLM (synchronous line module)-metal 3D printer and a numerically-controlled milling machine are used for preparing all-ceramic and metal prosthesises, the fixing restoration of removable partial denture butment and the restoration of removable partial denture are synchronously completed, the clinical restoration efficiency of complicated cases is greatly improved, the clinical frequency of a patient is greatly reduced, and the chair-side operation time is shortened; the complicated procedure of traditional dental prosthesis manufacturing method is overcome, the manufacturing quality and stability of the prosthesis are improved, the purpose of quick, accurate and personalized manufacturing is realized, and the urgent demand of patients with tooth lack is well met.

Description

technical field [0001] The invention belongs to the technical field of dental restoration, and in particular relates to a simultaneous fixed-movable joint restoration method. The method combines the existing oral CAD / CAM system with metal 3D printing technology, and organically combines the respective numerical control processing methods. Take it to the extreme. Background technique [0002] Computer-aided design (CAD for short) and computer-aided manufacture (CAM for short) technology integrate mathematics, optics, electronics, computer image recognition and processing, automatic control and automatic processing and other multi-disciplinary knowledge and technology. It was widely used in industrial automation and aerospace fields in the 1970s. In 1983, the first dental CAD / CAM system prototype developed by France Duret came out in France; at the International Dental Academic Conference held in France in 1985, Professor Duret used this equipment to produce the first posteri...

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Problems solved by technology

In 2008 and 2009, Gao Bo of the Fourth Military Medical University of the Chinese People's Liberation Army successively published the treatises on laser rapid prototyping for the manufacture of maxillary pure titanium substrates for complete dentures: LasersMedSci (2010) 25: 309–315; RapidPrototypingJournalVolume15, Number2, 2009, 133–136 , and its suitability has been studied, and the clinical test results show that its production accuracy needs to be improved

[0041] 4. The limitations and development direction of traditional CAD / CAM in clinical application

[0043] (1) At present, for patients with dentition defects and fixed restorations for abutment teeth, it is often necessary to use fixed restorations and movable restorations in combination. Restoration of the abutment teeth with fixed dentures such as body, veneer, and telescopic crown, restores the necessary anatomical shape, function, and aesthetics of the abutment teeth, and then makes removable dentures by lost-wax casting and boxing / injection molding on this basis. Partial dentures repair the edentulous area with removable dentures, while for fixed dentures and removable dentures, the traditional method is to do fixed restorations first, and then do removable dentures after completion. The prosthesis production process is cumbersome and clinical chairside operation The time is long, the number of visits to the doctor is high, and the overall repair period is long

[0044] (2) The current CAD / CAM system is mainly used in the field of fixed restorations, but the main reason why it is not used in removable partial dentures and complete dentures is the inherent limitations of CAD / CAM system cutting, which not only causes waste of materials, It also makes the types of prosthetics produced are single, and prosthetics made of composite materials cannot be machined.

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