Journal of Research in Medical and Dental Science
eISSN No. 2347-2367 pISSN No. 2347-2545

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Assessment of Dental Caries Experience Among Patients with Thyroid Disorders Attending Different Hospitals in Baghdad City/Iraq

Author(s): Rawaa Basel AL Meshaikhy* and Nadia Aftan Al Rawi


Background: Thyroid dysfunction is the second most common glandular disorder of the endocrine system. Thyroid gland regulates the metabolism and affects the body functions and affect any system of the body include the oral cavity which affected adversely by either an excess or deficiency of these hormones. The aim of the present study to investigate the occurrences of the dental caries and to evaluate the impact of disease and treatment on dental caries experience in different times intervals.

Subjects and methods: The study population consisted of (404) patients, with thyroid disorder (long duration and newly diagnosed patients), in addition, a symptomatic group with normal thyroid function test at time of diagnosis. Clinical examinations were conducted under standardized conditions for all the sample. Diagnosis and recording of dental caries were done according to the criteria of WHO, 1997.

Results: Results found a higher prevalence of thyroid disorders in females’ patients than males, with a high prevalence at age group (40-49) years. Results showed a 100% occurrence of dental caries among all sample. The total mean values of DMFS among hyperthyroid group was (36.631±2.659), hypothyroid group (38.101±2.235), and symptomatic group (30.973 ± 3.830). Caries experience was found to increase with advancing age with highly statistically significant differences and increase in mean value of DMFT and DMFS by increase the duration of illness in both hypothyroid and hyperthyroid group without statistically significant differences.

Conclusion: the results of the current study revealed that, the patients with thyroid disorders (hypothyroidism and hyperthyroidism) are at risk of oral disease, patients with thyroid disorder had high level of caries experience increased by increase duration of illness and advancing age.

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