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Gokul Vimal Thangaraj R. Gayathri Jayalakshmi Somasundaram V. Vishnu Priya Kavitha. S

Abstract

Introduction:


Enamel is the hardest substance in the human body and contains a high percentage of minerals (96%) primary minerals  being hydroxyapatite which consist of crystalline calcium and phosphate. Dentin is a specialized form of tissue that forms the bulk of teeth. AFM (atomic force microscopy) is a scanning probe microscopy.


Aim and Objective:


The aim of the study is to analyze the enamel and dentin subjected to critical pH solution by Atomic force microscopy imaging (AFM).


Materials and Methods:


Patients' posterior teeth were sampled and demineralized in a solution with a pH of 4.8, which is the crucial pH, for 48 hours. The demineralizing solution was changed out for a new one every 8 to 9 hours. Three more recently extracted posterior teeth underwent AFM, and the image was used as a reference. The teeth that had been in contact with the demineralisation  solution were imaged using AFM.


Results and Conclusion:


AFM image of pre treated posterior teeth and post treated posterior teeth is compared. AFM images of pre and post treated dentin were compared. A graph was made. The surface roughness of dentin was found out to be greater than that of enamel.

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Keywords

Enamel, dentin, AFM, posterior teeth, novel method, surface roughness, innovative technique.

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