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Validation of Hindi version of oral health impact profile-17, a gauge of oral health related quality of life of endodontic patients

Oral health is a vital part of health, and the promotes overall health-related Quality of Life. It is essential to account for the disturbances in physical, psychological, and social functioning caused by oral conditions. The OHIP‐17 is a self‐filled English questionnaire that focuses on seven dimensions of impact on Oral Health Related Quality of Life (OHQoL). The present study aims to corroborate a Hindi version of OHIP-17 to evaluate the OHQoL of endodontic patients. The OHIP‐17 (English version) was translated in Hindi for linguistic and cultural adaptation by using the back translation technique to maintain cross‐cultural equivalence.  It was validated qualitatively for face and content validity in a pilot study on 20 participants.The comprehensiveness of the instrument was tested by asking about difficulties in understanding items or frequencies, in order to optimize the face and content validity. Reliability was assessed using test‐retest reliability on 112 adult patients.  Total score of the was calculated by summing up the responses for the 17 items. The data were subjected to statistical analysis. The overall value of Cronbach’s alpha coefficient was estimated to be 0.9258, indicating good internal consistency. There was no significant difference in original English and translated Hindi version of OHIP‐17 (p=0.8258).