Translation, reliability and validity of the Romanian version of orthognathic quality of life questionnaire (OQLQ)

OQLQ) (Abstract): Ortho gnathic surgery is an essential treatment for addressing dentofacial anomalies which signif icantly affect the psychological and social aspects of a patient's life.This study aimed to translate, adapt, and validate the OQLQ questionnaire into Romanian language, specifically designed to measure the quality of life of individuals with dentofacial anomalies.Materials and methods: The validation process of the OQLQ questionnaire in Romanian language i nvolved adaptation, translation, and validation methodologies.The Romanian version was administered to 18 patients undergoing orthognathic surgery.Results: The adapted and validated version demonstrated satisfactory psychometric properties in term of reliability, sens itivity, and validity.The average Cronbach's alpha coefficient was 0.92, with a slightly lower value (0.79, p=0.046) observed for the Oral function domain.The Social aspe cts domain exhibited the highest value, recording an average Cronbach's alpha coefficient of 0.96.Conclusions: Dentofacial anomalies detrimentally impact the quality of life of orthognathic p atients.The Romanian version of the OQLQ has proven its validit y in assessing the quality of life among Romanian orthognathic patients.