CC BY-NC-ND 4.0 · Eur J Dent 2019; 13(04): 569-573
DOI: 10.1055/s-0039-1698370
Original Article
Dental Investigation Society

Effects of Different Disinfection Methods on Microleakage of Giomer Restorations

Abidin Talha Mutluay
1   Department of Restorative Dentistry, Faculty of Dentistry, Kirikkale University, Kirikkale, Turkey
,
Merve Mutluay
2   Department of Pediatric Dentistry, Faculty of Dentistry, Kirikkale University, Kirikkale, Turkey
› Author Affiliations
Funding None.
Further Information

Publication History

Publication Date:
26 November 2019 (online)

Abstract

Objectives The purpose of this in vitro study was to investigate the effects of different disinfection methods on microleakage of Class V Giomer restorations.

Materials and Methods Class V cavity preparation was performed on 40 sound permanent central incisors. Class V cavities (3 x 2 x 2 mm) were prepared on the buccal surfaces of the selected teeth. The teeth were randomly divided into four groups, each to be disinfected with a different method: Group 1—Disinfection with 2% chlorhexidine, Group 2—Disinfection with 6% sodium hypochlorite, Group 3—Disinfection with erbium, chromium: yttrium-scandium-gallium-garnet laser, Group 4—Control (distilled water). BeautiBond adhesive and Beautifil II Giomer restoration materials were applied to all surfaces of the cavities after the disinfection of all groups. The teeth were thermocycled 5,000 times (5–55°C), and then were immersed in 0.5% methylene blue for 24 hours. After rinsing, the teeth were longitudinally sectioned and dye penetration was assessed under a stereomicroscope (40x) to evaluate microleakage.

Statistical Analysis The results were statistically evaluated by using the Kruskal–Wallis and Mann–Whitney U tests.

Results Statistically, no significant difference was found between all four groups (p > 0.05). There was no statistically significant difference in microleakage scores of study groups (p > 0.05). Also, the microleakage scores of the gingival margins were significantly higher than the incisal margins (p < 0.0001).

Conclusions Application of the different cavity disinfectants has no effect on the microleakage of Class V Giomer restorations.

 
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