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A video was recorded to evaluate the dentists\u1fbd neck postures using the Modified-Dental Operator Posture Assessment Instrument (M-DOPAI) and treatment duration. The M-DOPAI divides the dentists\u1fbd neck postures into three categories: acceptable, compromised, or harmful posture. The participants rated their ND using Borg\u1fbds CR-10 scale every 10\u00a0min. and at the end of each treatment step. The relationships between neck posture\/treatment duration and Borg\u1fbds CR-10 scores were examined using partial correlation.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>RESULTS<\/jats:title>\n                  <jats:p>The number of compromised and harmful neck postures during the endodontic procedure (r\u00a0=\u00a00.43, P\u00a0=\u00a0.04) and treatment duration (r\u00a0=\u00a00.58 P\u00a0=\u00a0.005) significantly correlated with ND at the end of treatment. The number of compromised and harmful neck postures during the OC step (r\u00a0=\u00a00.75, P &amp;lt; .001) and the duration of the OC step (r\u00a0=\u00a0.70, P &amp;lt; .001) significantly correlated with ND at the end of the step.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>CONCLUSION<\/jats:title>\n                  <jats:p>Poor neck postures and long working duration during endodontic treatment correlated with ND among inexperienced dentists. Neck pain interventions should focus on neck postures and work duration during root canal treatment, particularly in the OC step.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1002\/1348-9585.12362","type":"journal-article","created":{"date-parts":[[2022,9,20]],"date-time":"2022-09-20T12:06:17Z","timestamp":1663675577000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Poor neck posture and longer working duration during root canal treatment correlated with increased neck discomfort in dentists with &amp;lt;5-years' experience in endodontics"],"prefix":"10.1093","volume":"64","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7524-8305","authenticated-orcid":false,"given":"Watcharapa","family":"Adulyawat","sequence":"first","affiliation":[{"name":"Department of Operative Dentistry, Faculty of Dentistry, Chulalongkorn University , Bangkok, 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