Background and aim: three methods are commonly used in hyperthyroidism treatment including drug therapy,radioiodine therapy and surgical operation. Selection of each method is somewhat optional.
radioiodine therapy is indicated when antithyroid drugs fail to treat the patient or hyperthyroidism recurs after surgical operation. Radioactive iodine [I l31] may have some adverse consequences on salivary glands followed by a decrease or cease in salivary secretion which in turn lead to an increase in dental caries rate. The purpose of this study was to compare the average of CSI and PI and also xerosthemia in patients treated I 131 with and antithyroid drugs Materials and Methods: seventy-six patients,after definite hyperthyroidism,diagnosis,were selected and divided into two groups consisting of 30 and 46 patients,depending on treatment plan. Patients of one group were treated using I 131 radioactive where as for another group antithyroid drugs were prescribed. Caries severity index [CSI] and dental plaque index [PI] were measured and compared for all patients before and after treatment. Moreover,patients were studied on xerosthemia and the effects of treatment plan. Data were analyzed using paired samples,independent samples and chi square tests
Results: the findings of this study showed significant differences in CSI and PI rates before and after 6-8 months treatment [p-value=0.016] , however,these differences among patients treated by antithyroid drugs,were not significant Conclusion: xerosthernia was observed more among those treated by I 131 radioactive. Furthermore,CSI and PI showed significant differences before and after treatment but these effects were not seen while using antithyroid drugs
S. Moosavinasab ,S. Moosavinasab ,A. Tahmasebi ,M. Hajilahijani ,
[A comparative evaluation on CSI and PI among hyperthyroidism patients treated with I or antithyroid drugs],
J. Islam. Dent. Assoc. Iran. 2004;
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