J Biol Regul Homeost Agents. 2021 May-Jun;35(3 Suppl. 1):197-204. doi: 10.23812/21-3supp1-22.

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The relationship between TMJ symptoms and orthodontic treatments: a survey on 236 orthodontic patients

Saccomanno S1, Laganà D2, Mastrapasqua R3, Giancaspro S1, Manenti RJ1, Saran S2.

Author information

1  Department of Life, Health and Environmental Sciences, University of L’Aquila, Italy.
2  Catholic University of the Sacred Heart, Rome, Italy.
3  ENT Department, Rivoli Hospital, ASL TO3, Torino Italy.


The study analyzes how and if temporomandibular joint symptoms are influenced by different types of orthodontic therapy. Two-hundred-and-thirty-six adult orthodontic patients treated by different clinicians, were asked to complete a survey in which factors as the age, the gender and the type of device were considered. The questions were about the typical symptoms of temporomandibular disorders, in particular headache, bruxism, clenching, pain while opening the mouth and joint’s noise. It was highlighted if these symptoms changed during the therapy and if they increased or decreased. The answers to our questionnaire revealed that the only statistically significative difference was related to bruxism, because we found a higher rate in patients treated with aligners than patients treated with metal braces, so we can suggest the fixed technique in the orthodontic patient who suffers of bruxism, even if further studies are required.


TMJ symptoms, aligners, braces, orthodontics, survey

Publication type

  • Journal Article

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