Citation Information :
Yavagal C, Prabhakar A, Lokeshwari M. Efficacy of Caries Removal by Carie-Care and Erbiumdoped Yttrium Aluminum Garnet Laser in Primary Molars: A Scanning Electron Microscope Study. Int J Clin Pediatr Dent 2018; 11 (4):323-329.
Aim: To compare and evaluate morphological changes and bacterial deposits in primary carious molars after caries excavation with Carie-Care, erbium-doped yttrium aluminum garnet (Er:YAG) laser, and round tungsten carbide bur.
Materials and methods: Thirty human carious primary molars extracted for therapeutic reasons were sectioned mesiodistally. These sectioned samples were allocated into three groups (20 samples each): group I: Carie Care, group II: Er:YAG laser, and group III: round tungsten carbide bur. After caries excavation, all samples were processed and examined under conventional light microscope to examine for bacterial deposits. Representative samples from each group were processed and analyzed to examine the morphology of caries-excavated tissue by scanning electron microscope (SEM). Statistical analysis was done using Fisher's exact test, Kruskal–Wallis test, and Mann–Whitney U test.
Results: The Er:YAG laser showed best results with no smear layer followed by chemomechanically excavated surfaces with Carie-Care. Amount of bacterial deposits was observed to be more in group I while least in group II (p-value < 0.001). Mann– Whitney U test and Fisher's exact test revealed that there was statistically significant difference among all the three groups.
Conclusion: Among the three different methods of caries excavation, Er:YAG laser was found to be more effective compared with Carie-Care and round tungsten carbide bur.
Clinical significance: Laser-induced caries excavation by Er:YAG laser and chemomechanical method of caries removal by Carie-Care can be considered as future of noninvasive pediatric and preventive dentistry.
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