| Summary: | 碩士 === 高雄醫學大學 === 口腔衛生科學研究所碩士在職專班 === 91 === The purpose of this study were selected permanent teeth for calculate the prevalence of pulp stones in Taiwanese adult, using full mouth periapical film. All the data had been analyzed in order to explore possible associations between genders, different type of teeth, crown condition, and to compare the results with published data. Methods: Of the 857 non-Aboriginal, comprising 434(50.6%) male and 423(49.4%) females and Aboriginal group 180 patient, comprising 86 male (47.8%) and 94 female(52.2%). Age ranged from 18 to 72 years. Excluded inadequate exposure or processing faults, a total of 25172 teeth were examined under 2 x magnifications by one of the endodontic specialist. Pulp stones were scored as present or absent, and crown condition record either as intact, carious or perio.involvement. In order to check the reliability of the radiographic examination, double determination in all samples after one month. Results: In non-Aboriginal gropup, pulp stone were found in 65(15.0%)male subjects and 94(22.2%)female subjects ;the contrast Aboriginal group which are 7(8.1%)and 29(30.9%).Using the chi-square test, p-value is less than 0.05, it is significant more pulp stones were found in female group than in male. The sum 25172 teeth examed, 324 teeth (1.3%)were found to contain pulp stones. In female group were found (1.6%) of the 201 teeth and 1.0% of the 123 teeth in the male group. All the 11113 anterior teeth, only 3 teeth with pulp stone. The other 14059 posterior teeth were found 321 teeth(2.3%). The upper first molar tooth has the most prevalence(8.5%) than the lower jaw(4.2%). Premolar teeth were low frequency of pulp stones. Compare the right and left side teeth, no significant difference between each side teeth. No significant difference was found between the presence of pulp stones and the condition of the crown either intact, carious or perio.involvement. Conclusion: Significantly more pulp stones were found in aboriginal female group than in male groups, especially in molar teeth, but no significant difference was found in the prevalence for pulp stones among crown with intact , carious or perio.involvement conditions.
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