Embedded tooth traction device
Patent Information
- Authority / Receiving Office
- CN · China
- Current Assignee / Owner
- FIRST PEOPLES HOSPITAL OF YUNNAN PROVINCE
- Publication Date
- 2021-07-16
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Abstract
Description
technical field
[0001] The invention relates to the field of oral orthodontic correction tools, and relates to a tooth correction device, in particular to a traction device for an impacted tooth. The device is also suitable for the correction of severely misaligned teeth. Background technique
[0002] An impacted tooth usually refers to a tooth that has passed the eruption period, but is still embedded in the jawbone tissue due to the obstruction of adjacent teeth, bone tissue or soft tissue. It cannot be directly observed by the naked eye in the mouth, and it needs to be discovered by imaging examination. . The prevalence rate of impacted teeth is about 13.7-16.5% in foreign studies, and about 7.33%-9.61% in domestic big data case statistics. It is a common and frequently-occurring disease in oral clinical practice. The pathogenesis of impacted teeth is complicated. Common pathological factors include abnormal position of tooth germ, premature loss of deciduous teeth, infe...