Abstract
AIM: The aim of this study is to compare various dentinal structures such as dentinal tubules, interglobular dentin, incremental lines of dentin and the dead tracts in primary and permanent molars under compound light microscopy. BACKGROUND: Dentin, the first formed hard tissue is tough and resilient in nature, which is important for the proper functioning of the tooth. It provides flexibility and prevents fracture of the overlying enamel. The dentin in permanent teeth is thicker than that of primary teeth. Some of the structures observed in the dentinal surface include dentinal tubules, interglobular dentin, incremental lines, tomes granular layer and dead tracts. MATERIALS AND METHODS: 4 unrestored, non carious primary and 5 permanent molars were collected. Longitudinal ground sections of the teeth were obtained and observed under compound microscopy. REASON: In order to understand the dentin structure better to ensure better outcomes in dental procedures.
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