September 2007

Volume 24, Issue 3

Signs and symptoms of temporomandibular disorders in Nigerian adult patients with and without occlusal tooth wear



Signs and symptoms of temporomandibular disorders in Nigerian adult patients with and without occlusal tooth wear. A.O. Oginni, F.O. Oginni and C.A. Adekoya-Sofowora Faculty of Dentistry, College of Health Sciences, Obafemi Awolowo University, Ile-Ife, Nigeria. Objectives: The purpose of this study was to investigate the prevalence of signs and symptoms of temporomandibular disorders in Nigerian patients with and without occlusal tooth wear, and to relate the signs and symptoms with the severity of occlusal tooth wear. Methods: One hundred and fifty patients with occlusal tooth wear, and 100 control subjects participated in this study (mean age 40.8 ±12.2 years, range 18-65 years). Exclusion criteria included patients and subjects with more than one missing opposing pair of premolars or molars, restorations covering the entire incisal edge, canine cusps and occlusal surfaces of premolars and molars. The severity of occlusal wear was assessed using the tooth wear index (TWI) designed by Smith and Knight (1984). Chi-square test was used to compare the differences in signs and symptoms of TMD. P<0.05 was defined as significant. Results: Although more females reported pain than males the difference was not statistically significant (p=0.05). Except for impaired range of movement, tooth wear patients and controls differ significantly with respect to the variables; pain report, pain on palpation, TMJ sound and deviation on opening (p<0.001). Patients with mean occlusal TWI score of ≥3 differ significantly from those with TWI score ≤2 with respect to pain on palpation and TMJ sound (p<0.001). Conclusions: Posterior occlusal wear (mean TWI scores of 3 or 4) was significantly associated with pain on palpation and TMJ sound. Hence there may be a clinically relevant risk of TMD among Nigerian patients with occlusal tooth wear. Key words: Occlusal tooth wear, signs, symptoms, temporomandibular joint disorders


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The positive and negative impacts, and dangers of the Impact Factor 130-134 Download
The prescription and outcomes of fissure sealants applied to a group of high caries risk children by general dental practitioners working in the North West of England 135-139 Download
Prevalence of dental developmental anomalies: a radiographic study. 140-144 Download
Assessment of orthodontic treatment needs in Brazilian schoolchildren according to the Dental Aesthetic Index (DAI). 145-148 Download
Oral health acculturation in Albanian-speakers in south London 149-155 Download
Signs and symptoms of temporomandibular disorders in Nigerian adult patients with and without occlusal tooth wear 156-160 Download
Dental caries in 5-year-old children attending multi-ethnic schools in Greater Glasgow – the impact of ethnic background and levels of deprivation 161-165 Download
Cross-cultural adaptation of the Oral Health Impact Profile (OHIP) for the Malaysian adult population. 166-175 Download
Dental erosion among 12-14 year old school children in Khartoum: A pilot study 176-180 Download
Provision of dental services in a dedicated clinic for HIV infected people in Greece 181-185 Download
Reduction of caries in rural school-children exposed to fluoride through a Milk-Fluoridation Programme in Araucania, Chile 186-191 Download


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