Requirement of Extraction of Mandibular 1st primary molar in children age group of 6 to 9 years-A retrospective study

Introduction: Deciduous teeth help in mastication of food, speech, fascial aesthetics and also act as a template for permanent teeth to presume correct alignment in the dental arch. The premature loss is defined by the loss of deciduous tooth before the time of its natural exfoliation Materials and Methods: This is retrospective, cross sectional study and it is completely based on university dental and hospital control between people who suffer coming upon a dental clinic in Chennai. The chi square test was used for this descriptive statistics and relation among variables. P less than 0.05 were looked into as statistically significant. Result: 42.3% of children be in the age group of six to seven years, 23.0% of children belonged to the age group of 7-8 years and 34.7% of children belonged to the age group of 8-9 years (Figure 1). 55.1% of children were male and 44.9% of children were female (Figure 2). Extraction of mandibular 1st primary molar mainly occurs due to different ways, both caries that are primary and secondary caries plus all importance including periapical abscess and failed treatment of pulpotomy. When a child undergoes any orthodontic treatment, teeth must be taken away to avert or correct malocclusion. Conclusion: Caries were one of the main causes of primary tooth mortality, prevention or control of caries is the best way to avoid extraction of the tooth. Within the limitation of the study, it's finally concluded that male children were extracted tooth number 84 more than the tooth number 74. So, the prevalence of extraction is more in male than females.