Majallah-i Dānishgāh-i ̒Ulūm-i Pizishkī-i Bābul (Dec 2004)
Situation of the first permanent molar teeth in the primary schools students of Ghaemshahr, 2001
Abstract
Background and Objective: The first permanent molars are the first teeth that often appear in the oral cavity. Because of special anatomic form and being posterior portion of the oral cavity which not easy to access in order to doing oral hygiene, these teeth decay rapidly. Since, this tooth has important role in the function and occlusion, this study was performed to determine situation of these teeth and a good method for the caries prevention. Methods: This descriptive and analytical study was performed on 625 students (6 to 11 years) of Ghaemshahr elementary school. The sampling was as multi-step cluster. In the first step selected a few cluster, then from each cluster selected some children, randomly. The related from of each student was completed only by probe, mirror, natural light and light. The data were analyzed by X² tests. Findings: From 2500 first permanent molar teeth, 1124 (45.1%) were decayed (300 (45.5%) girls and 325 (44.8%) boys). 46 (1.9%) of teeth were extracted, 27 (1.1%) were filled and 135 (51.9%) were health. 54.8% of decayed first permanent molars are in the mandible that in the left side was more than the right. Conclusion: According to the results of this study, prevalence of caries in children increases as their growing up. The most decayed teeth were seen on the left of lower jaw.
