System and device for evaluating periodontal tissue inflammation

By calculating attachment loss and gingival recession values ​​at multiple points on the teeth, and combining this with the proportion of bleeding sites, the surface area of ​​periodontal inflammation is calculated. This solves the problem of inaccurate periodontal inflammation assessment in existing technologies, and achieves precise periodontal inflammation assessment and treatment guidance.

CN122297156AInactive Publication Date: 2026-06-30HOSPITAL OF STOMATOLOGY CHINA MEDICAL UNIV
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Patent Information

Application Number
CN202610435581.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-04-03
Publication Date
2026-06-30
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

In existing technologies, periodontal probing depth and clinical attachment loss cannot reflect the continuous changes in periodontal inflammation, and cannot accurately assess the degree of inflammation and damage to periodontal tissues, thus affecting the prediction of other diseases caused by periodontitis.

Method used

By calculating the clinical attachment loss and gingival recession values ​​at multiple points on a single tooth, converting them into attachment loss surface area and gingival recession surface area, and combining this with the proportion of sites affected by probing bleeding, the periodontal inflammation surface area is calculated, providing a system and device for accurate assessment.

Benefits of technology

It enables precise quantitative assessment of periodontal inflammation, visually demonstrating the severity and extent of damage, improving patient compliance and confidence in treatment, reducing subjectivity, and is suitable for both clinical and research purposes.

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Abstract

The present invention relates to a system and apparatus for evaluating periodontal tissue inflammation, the system comprising: a loss-of-adhesion surface area calculation module for calculating a loss-of-adhesion surface area according to a clinical loss-of-adhesion measurement value; the recession surface area calculation module is used for calculating the gingival recession surface area according to the gingival recession measurement value; the periodontal epithelium surface area calculation module is used for subtracting the gingival recession surface area from the attachment loss surface area to obtain the periodontal epithelium surface area; the periodontitis superficial area calculation module is used for multiplying the periodontal epithelium superficial area by the proportion of the probed bleeding influence sites to obtain the periodontitis superficial area; and the periodontal tissue inflammation evaluation module is used for calculating the sum of periodontitis superficial areas of all teeth. According to the method, the periodontitis tissue and periodontal tissue damage conditions are fully quantified and completely and objectively reflected, the inflammation degree of periodontitis is defined as a new continuous variable, the inflammation degree can be described more accurately, and the subjectivity of disease severity evaluation is reduced as much as possible.
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