The Open Dentistry Journal




ISSN: 1874-2106 ― Volume 13, 2019
RESEARCH ARTICLE

Anterior Bite Opening in Adulthood



Karolina Broberg1, 2, Birgitta Lindskog-Stokland3, Christina Mejersjö1, *
1 Clinic of Orofacial Pain, University Clinics of Odontology, Public Dental Health, Region Västra Götaland, Gothenburg, Sweden
2 Clinic of Orofacial Pain, Public Dental Health, Region Västra Götaland, Borås, Sweden
3 University Clinics of Odontology, Public Dental Health, Region Västra Götaland, Gothenburg, Sweden

Abstract

Objectives:

To study anterior bite opening of unknown cause presenting in adulthood regarding prevalence, symptoms of Temporomandibular Dysfunction (TMD) and possible causes of the bite opening.

Methods:

Patients referred to two Orofacial Pain and TMD clinics with the complaint of recent anterior bite opening, presenting in adulthood and of unknown cause, were considered for the study. Patients with systemic rheumatic or neuromuscular diseases, degenerative joint disease, previous fractures of the jaws or orthodontic treatment, were excluded. The clinical examination was according to DC/TMD and extended for the occlusion. Reported symptoms, clinical signs, the occlusion and diagnoses found are presented. According to the information gained from the patient’s history, previous occlusion and appearance, and present signs of parafunction, a possible association with the bite opening was suggested.

Results:

Anterior bite opening was found in 1.6% of the referred patients. Symptoms of tiredness and/or orofacial pain were reported by 62%, headache by 41%, TMJ clicking by 24% and sensitive/tender teeth by 41%. Parafunction or bruxism was reported by 2/3 of the patients. A previous period in life of TMD symptoms, before the bite opening, was reported by 66%. Myalgia and headache associated with TMD were frequently diagnosed. The use of a partial dental splint, tongue pressure and pregnancy were possible causes found for the bite opening.

Conclusion:

Anterior bite opening can occur in adulthood without organic or systemic disease of the TMJ or masticatory muscles, and was frequently associated with muscle TMD symptoms.

Keywords: Temporomandibular Dysfunction (TMD), Orofacial Pain, Bite opening, Bruxism, Myalgia, Masticatory muscles.


Article Information


Identifiers and Pagination:

Year: 2017
Volume: 11
First Page: 628
Last Page: 635
Publisher Id: TODENTJ-11-628
DOI: 10.2174/1874210601711010628

Article History:

Received Date: 2/06/2017
Revision Received Date: 3/10/2017
Acceptance Date: 14/11/2017
Electronic publication date: 13/12/2017
Collection year: 2017

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© 2017 Broberg et al.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: https://creativecommons.org/licenses/by/4.0/legalcode. This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.


* Address correspondence to this author at the Clinic of Orofacial Pain, University Clinics of Odontology, Region Västra Götaland, P.O. Box 7163, SE-402 33 Gothenburg, Sweden, Tel: +4610-4417580; E-mail: christina.mejersjo@vgregion.se


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