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ORIGINAL ARTICLE
Year : 2018  |  Volume : 7  |  Issue : 1  |  Page : 19-22

A novel method to reduce postoperative sensitivity after composite restoration: A triple-blinded in-vivo study


Department of Conservative Dentistry and Endodontics, SRM Kattankulathur Dental College and Hospital, Tamil Nadu, India

Correspondence Address:
Dr. Chitra Janardhanan Vejai Vekaash
Department of Conservative Dentistry and Endodontics, SRM Kattankulathur Dental College and Hospital, Tamil Nadu
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/JDRNTRUHS.JDRNTRUHS_37_17

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Objective: To evaluate the efficacy of Zinc-carbonated hydroxyapatite in the reduction of postoperative sensitivity during composite placement. Context: Postoperative sensitivity after composite restoration still remains a major clinical challenge. Materials and Methods: Sixty class I cavities were prepared in 60 patients by the same operator with the following inclusion and exclusion criteria: The patients selected for the study were between 20–45 years with vital pulp and having remaining dentin thickness of 1mm. Previously restored, nonvital and tooth with periodical changes were excluded. Patients were randomly divided into two groups of 30 each—Group I self-etch and Group II selective-etch with Subgroup A- zinc-carbonated hydroxyapatite applied and Subgroup B- zinc-carbonated hydroxyapatite not applied. After the surface treatment, the teeth were restored with composite resin. The patients were evaluated with visual analogue scale (VAS) at the end of one week and one month. Statistical Analysis: Data were analyzed using Kruskal–Wallis one-way analysis. Results: Comparing within groups, Group I self-etch mean values showed statistically significant lower values compared with Group II selective-etch (P < 0.01). Zinc-carbonated hydroxyapatite Subgroup A showed statistically significant lower values compared with Subgroup B where zinc-carbonated hydroxyapatite was not applied (P < 0.01). Conclusion: Application of zinc-carbonated hydroxyapatite showed significant reduction in postoperative sensitivity after composite placement.


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