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  • Title: Efficacy of Self-assembling Peptide P11-4 in Remineralizing In Vitro Caries-like Lesions in Primary Enamel Samples in Combination with Calcium Phosphate-based Remineralization Agents.
    Author: Krishnamoorthi A, Shanbhog RS, Godhi BS, Sundaravadivelu M.
    Journal: Int J Clin Pediatr Dent; 2024 May; 17(5):552-557. PubMed ID: 39355181.
    Abstract:
    AIMS AND BACKGROUND: The efficacy of self-assembling peptide P11-4 in combination with calcium-phosphate-based remineralization agents in remineralizing caries-like lesions in primary enamel was evaluated using a 21-day pH cycling experiment by Vickers microhardness [Vickers hardness number (VHN)] and scanning electron microscopy (SEM). MATERIALS AND METHODS: A total of 120 primary enamel samples were made to undergo a demineralization cycle to produce caries-like lesions. They were divided into six groups, namely negative control (NC), positive control (P11-4), and four interventional groups in which each of the following calcium-phosphate-based agents were used in combination with P11-4-calcium sucrose phosphate (CSP), bioactive glass (BG), casein phosphopeptides, and casein phosphopeptides with fluoride. A 21-day pH cycling experiment was carried out with alternating demineralization and remineralization phases. The enamel samples were analyzed at baseline, post production of caries-like lesions, and post 21-day pH cycling using Vickers microhardness and SEM. Results were statistically analyzed using repeated measures of analysis of variance (ANOVA), keeping the level of significance at 0.05. RESULTS: Supplementing P11-4 with calcium-phosphate-based agents improved the surface hardness of the demineralized primary enamel samples, among which the fluoridated milk protein-based remineralization agent yielded a statistically significant improvement. CONCLUSION: P11-4 promoted the regeneration of incipient caries-like lesions. However, there is added benefit when this peptide is used in combination with a fluoridated calcium-phosphate-based agent. CLINICAL SIGNIFICANCE: This study would help the clinician compose an effective regimen for the patient to follow at home posttreatment with P11-4, in-office treatment. HOW TO CITE THIS ARTICLE: Krishnamoorthi A, Shanbhog RS, Godhi BS, et al. Efficacy of Self-assembling Peptide P11-4 in Remineralizing In Vitro Caries-like Lesions in Primary Enamel Samples in Combination with Calcium Phosphate-based Remineralization Agents. Int J Clin Pediatr Dent 2024;17(5):552-557.
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