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	歯列浸食指数	Oral Hygiene Index
分野	歯学	歯学
系統	Process / pipeline	Process / pipeline
提唱年	1990s+ (systematic indices)	1964
提唱者	Multiple indices (Lussi index, BEWE, etc.)	Jack Greene and James Vermillion
種類	Clinical assessment index	Clinical assessment index
原典	Lussi, A., Jaeggi, T., & Zero, D. (2004). The role of diet in the aetiology of dental erosion. Caries Research, 38(1), 34-44.	Greene, J. C., & Vermillion, J. R. (1964). The simplified oral hygiene index. Journal of the American Dental Association, 68(1), 7-13.
別名	tooth wear index, erosion severity index, TSL index	OHI-S, simplified oral hygiene index, debris index, calculus index
関連	3	3
概要	The Dental Erosion Index is a systematic clinical assessment tool that quantifies the severity of tooth surface loss caused by non-carious erosive agents (acidic substances, mechanical abrasion, or biological factors). Multiple index systems exist (e.g., Lussi Index, Basic Erosive Wear Examination or BEWE), each scoring erosion based on the extent and depth of surface loss on coronal and cervical tooth surfaces. Erosion assessment is critical for identifying patients at risk for advanced tooth loss, determining preventive interventions, and guiding restorative management.	The Oral Hygiene Index-Simplified (OHI-S) is a rapid, non-invasive assessment tool that evaluates the amount of plaque (debris) and calculus on tooth surfaces. Developed by Greene and Vermillion in 1964, it comprises two subscales: the Debris Index-Simplified (DI-S) measuring soft deposits and the Calculus Index-Simplified (CI-S) measuring hard deposits. The OHI-S is widely used in dental research, public health surveys, and clinical practice to assess oral hygiene status and evaluate the effectiveness of preventive interventions.