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	Indice Gengivale (Indice di Loe-Silness)	Impatto Orale sulle Prestazioni Quotidiane (OIDP)
Campo	Odontoiatria	Odontoiatria
Famiglia	Process / pipeline	Process / pipeline
Anno di origine	1963	1997
Ideatore	Harald Loe and Jorgen Silness	Somchai Adulyanon and Aubrey Sheiham
Tipo	Clinician-rated clinical index	Self-report questionnaire
Fonte seminale	Löe, H., & Silness, J. (1963). Periodontal disease in pregnancy. I. Prevalence and severity. Acta Odontologica Scandinavica, 21(6), 533-551.	Adulyanon, S., & Sheiham, A. (1997). Oral impacts on daily performances. In G. D. Slade (Ed.), Measuring Oral Health and Quality of Life (pp. 151-160). Chapel Hill: University of North Carolina.
Alias	Gingival Index (GI), Loe-Silness Index	OIDP, Oral Impacts on Daily Performances (OIDP)
Correlati	3	3
Sintesi	The Gingival Index (GI), also known as the Loe-Silness Index, is a standardized clinician-rated assessment tool for measuring the severity of gingival inflammation and periodontal disease. Developed by Loe and Silness in 1963, the GI remains the gold standard for quantifying gum inflammation in clinical research and practice. It grades inflammation on a 0-3 ordinal scale based on visual appearance and bleeding response, enabling objective assessment of periodontal health, monitoring of periodontal disease progression, and evaluation of treatment efficacy.	The Oral Impacts on Daily Performances (OIDP) is an 8-item interview-administered instrument measuring the functional and social impact of oral conditions on everyday activities. Developed by Adulyanon and Sheiham in 1997, it captures how oral problems (pain, difficulty eating, appearance concerns) disrupt routine daily performances such as eating, speaking, cleaning teeth, sleeping, smiling, and work concentration. The OIDP is particularly valuable in developing countries and resource-limited settings where functional impairment is the primary concern.