The impact of COVID-19 pandemic on patients receiving orthodontic treatment: An online questionnaire cross-sectional studyResearch article Published on 2020-12-012022-10-05 Journal: Journal of the World Federation of Orthodontists [Category] SARS, 치료법, [키워드] age chose clinics Complete COVID-19 COVID-19 pandemic cross-sectional Delayed appointments female fixed Fixed orthodontic appliances groups had no MOST Orthodontic emergencies pandemic participant Participants Patient problem public health questionnaire receiving reported response Result Spread Teleorthodontics the patient Treatment [DOI] 10.1016/j.ejwf.2020.10.003 [Article Type] Research article