Oral cavity joint movable opening measurer
Patent Information
- Authority / Receiving Office
- CN Β· China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- STOMATOLOGY AFFILIATED STOMATOLOGY HOSPITAL OF GUANGZHOU MEDICAL UNIV
- Publication Date
- 2021-07-23
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Abstract
Description
technical field
[0001] The invention is used in the technical field of medical instruments, and in particular relates to an oral cavity joint activity opening measuring device. Background technique
[0002] Temporomandibular joint, also known as "temporomandibular joint" or "mandibular joint", is composed of mandibular head, temporomandibular fossa and joint tubercle, and is mainly responsible for mouth opening and closing and chewing movement. In stomatology, the diagnosis and treatment of temporomandibular joint disease requires positioning and recording of the patient's mouth opening and opening trajectory. In clinical work, the method of visual inspection and ruler body surface measurement is usually used to determine the degree of mouth opening and opening trajectory of the patient. The relevant data determined by this method cannot be quantified, which is not conducive to grasping the diagnostic information of the patient. In the prior art, although the partial openin...