Malocclusion and its relationship with oral health-related quality of life in patients with eating disorders

Fernando Yamamoto Chiba, Erika Kiyoko Chiba, Suzely Adas Saliba Moimaz, Doris Hissako Matsushita, Artênio José Ísper Garbin, Cléa Adas Saliba Garbin

Objective: To evaluate the prevalence and severity of malocclusion and its impact on oral health-related quality of life (OHRQoL) and self-reported satisfaction of patients with anorexia and bulimia nervosa. Methods: The sample consisted of sixty women who attended a specialized mental health clin- ic of a Brazilian medical school. Participants were distribut- ed into two groups: patients with anorexia and bulimia nervosa (ABN; n=30) and control patients without eating disorders (CN; n=30). The dental occlusion was evaluated by the Dental Aesthetic Index; the OHRQoL was assessed using the OHIP-14 questionnaire; and the self-reported satisfaction with the appearance of teeth, speech ability and chewing was obtained by interviews. Results: Severe and very severe malocclusion were observed in 26.67% and 46.67% of patients in the ABN group, respectively, while the CN group showed 80.00% of patients without abnormality/mild malocclusion. ABN group showed a higher proportion of patients (p < 0.05) with tooth loss, spacing in the region of incisors, maxillary misalignment, and mandibular misalignment in relation to CN group. ABN group pre- sented lower (p < 0.05) OHRQoL and self-reported satisfaction with the appearance of teeth, speech ability and chewing, compared to the CN group. There was a significant positive correlation (p < 0.05) between the Dental Aesthetic Index and OHIP-14 scores in the ABN group. Conclusions: The prevalence of severe malocclusion in ABN group was high, with a negative impact on OHRQoL and self-reported satisfaction with the chewing ability, speech ability and appearance of teeth.

Keywords: Malocclusion. Anorexia nervosa. Bulimia nervosa. Quality of life.

How to cite: Chiba FY, Chiba EK, Moimaz SAS, Matsushita DH, Garbin AJI, Garbin CAS. Malocclusion and its relationship with oral health-related quality of life in patients with eating disorders. Dental Press J Orthod. 2022;27(2):e2220305.

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