Amala Aarthi, F (2020) Comparative Evaluation of Three Surface Sealants Coated on Composite Resin against Streptococcus Mutans Adhesion: An Invitro study. Masters thesis, Tamil Nadu Government Dental College and Hospital, Chennai.
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Abstract
AIM AND OBJECTIVE: 1. To evaluate the initial adhesion of clinical and MTCC strains of Streptococcus mutans isolated from the dental composite resins finished with Caulk one –step micropolisher; dental composite resins coated with three commercially available surface sealants, and dental composite resins finished with Mylar strip. 2. To correlate the above finding to the surface characteristics of the coating material. MATERIALS AND METHODS 110 resin composite discs made of filtek Z 250 (8 mm x 1 mm) and where randomly divided into five groups. GROUP 1 - Discs finished with Mylar Strip alone (n = 22). GROUP 2 – Discs finished and polished with Caulk Micropolisher (n = 22). GROUP 3 – Permaseal applied over finished and polished Discs (n = 22). GROUP 4 - Optiguard applied over finished and polished Discs (n = 22). GROUP 5 – G Coat plus applied over finished and polished Discs (n = 22). Two representative discs from each group were taken for SEM and profilometric analysis respectively. The Streptococcus mutans adhesion to the respective groups where done on Clinical strain and MTCC strains at 6 hour and 18 hour incubation by spread plate methods. RESULTS: PS and OG reduced the surface roughness of composite resin discs finished and polished with Caulk Micropolisher. The reduction in the Streptococcus mutans adhesion to composite resins finished and polished with Caulk Micropolisher in PS and OG were comparable or even lesser than the control Mylar Group. The Streptococcus mutans adhesion increased at 18 hours but not statistically significant. The Clinical and Standard strains of Streptococcus mutans performed similarly except for Standard strains at 18 hours. CONCLUSION: The results of the present study encourages the use of surface sealants PS and OG after finishing and polishing procedure of composite resin to improve surface smoothness and to decrease the initial Streptococcus mutans adhesion.
| Item Type: | Thesis (Masters) |
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| Additional Information: | 241717001 |
| Uncontrolled Keywords: | Mylar Strip, Caulk Micropolisher, Composite Resin, Streptococcus Mutans Adhesion. |
| Subjects: | DENTAL > Conservative Dentistry and Endodontics |
| Depositing User: | Subramani R |
| Date Deposited: | 22 Feb 2021 16:43 |
| Last Modified: | 23 Feb 2021 03:01 |
| URI: | http://repository-tnmgrmu.ac.in/id/eprint/14399 |
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