Development and feasibility of an oral health e-learning program for long-term Japanese overseas workers: a pilot randomized controlled trial
Abstract Background This study aimed to assess the feasibility and acceptability of an oral health self-care e-learning intervention for overseas workers as well as the research procedures for a future controlled trial.Methods We randomly allocated participants to either the intervention viqua-f4 (n = 48) or control (n = 51) group.The intervention