Tokyo, Aug. 1 -- UMIN Clinical Trials Registry (UMIN-CTR) received information related to the study (UMIN000062391) titled 'A study of the reliability and usefulness of a Japanese questionnaire for assessing problematic gagging during dental treatment' on Aug. 1.

Study Type: Observational

Primary Sponsor: Institute - Hiroshima University

Condition: Condition - Problematic gagging during dental treatment (exaggerated gag reflex) Classification by malignancy - Others Genomic information - NO

Objective: Narrative objectives1 - To develop a Japanese version of the Gagging Problem Assessment-Revised patient section (GPA-R-pa) and evaluate its factor structure, internal consistency, criterion-related validity, convergent validity, and discri...