Abstract
Occlusal changes were important factors in temporomandibular disorder (TMD). It is of interest to evaluate the association of occlusal wear facets in TMD patients. We used a dataset of 49 patients with and without TMD for this study. Occlusal wear facets were evaluated using Smith and Knight tooth wear index. Data shows that teeth wear was present more in patients with TMD (55%). The age group 26-40 years showed high prevalence of teeth wear (grade1) in TMD patients (P value = 0.034). TMD was present more in females than males. Female (54%) patients with TMD showed more teeth wear compared to males. Most patients with TMD showed posterior teeth wear (61%) than generalized teeth wear. Thus, association was present between occlusal teeth wear and TMD patients especially in the age group of 26-40 years. Hence, proper evaluation of occlusal factors will aid in early diagnosis of TMDs.
Highlights
temporomandibular disorder (TMD) is a functional and pathological condition affecting temporomandibular joint, the masticatory musculature, or both in the maxillofacial region [1]
Female (54%) patients with TMD showed more teeth wear compared to males
Association was present between occlusal teeth wear and TMD patients especially in the age group of 26-40 years
Summary
TMD is a functional and pathological condition affecting temporomandibular joint, the masticatory musculature, or both in the maxillofacial region [1]. Typical signs and symptoms of TMD are pain, limited mouth opening, joint sounds, mandibular deviation, and chewing disability. These symptoms may exist alone or in combination. Mechanical tooth surface wear is caused by harmful or parafunctional mandibular movements Parafunctional habits such as bruxism, tooth clenching, gum chewing, biting foreign objects, and prolonged nail biting might increase the risk of developing TMD [7]. Occlusal/skeletal factors, such as crossbite, overjet and centric relation (CR) to maximum intercuspation (MI) discrepancy greater than 2 mm could be considered occlusal risk factors for TMD [6] These are of serious concern to the patient and the dental professionals because of its relation to the temporo mandibular joint disorders. It is of interest to evaluate the association of occlusal wear facets in TMD patients
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