Whole-process digital designed produced personalized sleep bruxism protective occlusal splint

Abstract

In view of the shortage of manufacturing methods and materials of a conventional sleep bruxism protective occlusal splint, the invention provides a sleep bruxism protective occlusal splint prepared byapplying digital impression, computer-aided design and computer-aided manufacturing. The sleep bruxism protective occlusal splint is characterized in that upper and lower jaw dentition data and the occlusal relationship after occlusal elevation are obtained by an intraoral scanning technology, and upper and lower jaw dentition digital models and the occlusal relationship are matched with a virtual occlusal frame system of a computer; with computer-aided design software, front and rear dental cusps can be guaranteed to be in even contact with the occlusal splint; a material is cut through a computer-aided manufacturing device, medical-grade engineering plastic polyether-ether-ketone (PEEK), polyether ether sulfone (PEES) or polyether sulfone (PES) with excellent performance is used, the selected material can be determined according to the order of severity of sleep bruxism and the type of a restoration body of teeth of a patient, a final restoration body is obtained and is worn into amouth, and the dentition is protected and abnormal wear is prevented. The method aims at simplifying and optimizing the manufacturing process of the sleep bruxism protective occlusal splint, reduces discomfort, saves cost, and is beneficial to environmental protection.

Description

technical field [0001] The present invention relates to a night bruxism protective splint, in particular to a method for assisting dentists and dental technicians in the process of treating bruxism by applying the whole digital technology combined with new engineering plastics with excellent performance to make the night bruxism protective splint and its application. Background technique [0002] Bruxism refers to the involuntary contraction of the masticatory muscles under the physiological function state. When the teeth bear a certain intensity of occlusal force in an unconscious state, the mandible moves at a certain rhythm or shows a tendency to move, which may cause combined trauma. The second edition of the International Classification of Sleep Disorders (ICSD-2) includes bruxism in sleep-related movement disorders, and defines bruxism as: "an oral disorder characterized by grinding or clenching teeth during sleep, often accompanied by There is excessive (intense) sl...

AI Technical Summary

Problems solved by technology

[0004] There are some deficiencies in the manufacturing methods and materials used in the above two kinds of joint pads: the soft joint pad material is relatively elastic, easily deformed when exposed to heat, difficult to adjust and change, and it is difficult to achieve uniform contact of occlusion

When the patient’s occlusion is elevated, the gap between the front and rear teeth is not uniform, showing a triangular gap with a large front and a small rear. The soft occlusal pad material itself has a uniform thickness, which will cause occlusal changes, and the first and second molars are easy to grind It is not permeable and cannot provide long-term protection; in addition, the soft pad is not well retained and may easily cause dislocation, so it is not suitable for long-term wear

The hard pad is made of self-curing resin material. Although it can make up for the lack of hardness of the soft pad material to a certain extent, its current production method is still a traditional repair process, which mainly relies on the personal experience of the technician and the clinical blending of the doctor; In the production of the laboratory, various traditional steps such as model perfusion and upper frame may cause errors due to different techniques of technicians, resulting in insufficient accuracy of the final restoration

In addition, the traditional restoration process has the characteristics of one-off, and each step cannot be repeated. If there is a problem, it needs to be remade. It is difficult to make appropriate adjustments, and it is impossible to predict the final effect; Blending also takes a long time, and the number of adjustments is numerous, which is a painful process for both doctors and patients

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