An evaluation of remineralised MIH using CPP-ACP and fluoride varnish: An in-situ and in-vitro study

Springer Science and Business Media LLC - Tập 23 - Trang 79-87 - 2021
A. Kumar1, A. Goyal1, K. Gauba1, A. Kapur1, S. K. Singh1, S. K. Mehta2
1Oral Health Sciences Center, Postgraduate Institute of Medical Education and Research, Chandigarh, India
2Punjab University, Chandigarh, India

Tóm tắt

Molar incisor hypomineralization (MIH) affected teeth have enamel with altered mineral content like decreased calcium and phosphorus and increased carbon content leading to porous enamel and subsequent post-eruptive breakdown. An in situ study was conducted to evaluate and compare the effects of a Casein Phosphopeptide-Amorphous Calcium Phosphate (CPP-ACP)-based cream and fluoride varnish on the remineralization of MIH affected teeth. Enamel slabs were prepared from MIH affected teeth that had been extracted for various reasons and inserted in appliances of 30 participants who were undergoing interceptive orthodontic therapy. They were randomly divided into two groups using block randomization technique: Group A—daily single application of CPP-ACP cream (n = 15); Group B—professional application of fluoride varnishes every 3 months (n = 15). After 6 months of regular wear of the appliance, the enamel slabs were placed under Field Emission Scanning Microscope (FESEM) and Energy-Dispersive Spectroscopy (EDS) for evaluation of ultra structure and mineral content, respectively. A significant increase in calcium and phosphorus content, and a decrease in carbon content was observed within the 6 months period, suggesting remineralization in both the groups. On comparing the Ca:P and Ca:C ratios, a significant increase in the Ca:C ratio was evident in the two groups. No significant difference was seen in the Ca:P ratio in the CPP-ACP group at six months. The inter-group comparison did not reveal any significant difference between the two groups either at baseline or at 6 months post-intervention. Remineralization can be achieved in MIH affected teeth with the use of remineralizing agents.

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