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The Impact of Education and Physical Therapy on Oral Behaviour in Patients with Temporomandibular Disorder: A Preliminary Study.

Li Li XuBin CaiShen-Ji LuShuai FanKerong Dai
Published in: BioMed research international (2021)
Patient education is important in the treatment of temporomandibular disorder (TMD), but little is known about its effect on oral behaviors. We aimed to determine the dominant oral behaviours in patients with TMD and assess the impact of education on such behaviours. Between July 2018 and April 2019, 54 patients diagnosed with TMD according to DC/TMD were recruited. They received physical therapy and were provided education on TMD and offered a list of recommendations for improving their oral behaviours. The patient education process usually lasted for 10-20 min. Of these patients, 48 were reexamined at the outpatient clinic, 3-9 months posttreatment. We recorded the Oral Behaviour Checklist (OBC) score, maximum painless mouth opening (mm), visual analogue scale (VAS) score for pain, and Jaw Functional Limitation Scale (JFLS) score pre- and posttreatment. Wilcoxon signed rank test and paired sample t-test were used for statistical analysis. Results showed that the most dominant oral behaviours included "putting pressure on the jaw" (59.3%); "chewing food on one side" (46.3%); "pressing, touching, or holding teeth together at times other than eating" (33.3%); and "eating between meals" (33.3%). Posttreatment, the patients reported a decrease in "chewing gum" (P = 0.002), "leaning with the hand on the jaw" (P = 0.013), "chewing food on one side" (P ≤ 0.001), and "eating between meals" (P = 0.007), but this change was not significant in subgroups with a follow-up interval of 9 months. We also observed a significant improvement in the maximum painless mouth opening (P ≤ 0.001), JFLS score (P ≤ 0.001), and VAS score (P ≤ 0.001) for pain, posttreatment. In conclusion, patient education can facilitate management of oral behaviours and should be targeted towards specific oral behaviours.
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