S Bilici

Gazi University, Ankara, Ankara, Turkey

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Publications (2)3.91 Total impact

  • [Show abstract] [Hide abstract]
    ABSTRACT: recently, the role of antioxidant enzymes in wound healing and their therapeutic potential has been a subject of interest in medical sciences. However there is restricted knowledge on the results of topical application, optimal therapeutic dosage and carrier types. The purpose of this study was to investigate the wound healing response of dental pulp after direct pulp capping with an antioxidant enzyme; Catalase (C-40). three mongrel dogs were used in this study. A total of 32 perforated Cl V preparations were treated with either 0.8mg (n=16) or 1.6mg (n=16) Catalase (C-40) which was incorporated in gelatin carriers whereas 16 control teeth had carriers without Catalase. One millimeter thick Teflon disks were placed over the gelatin pellets and the cavities restored with silver amalgam. Short term and long term histopathologic reactions were evaluated after 7 and 90 days. there were no statistically significant differences between the inflammatory cell responses of control and either dosage groups of Catalase at the 7-day evaluation period. However, after 90 days, better tissue healing was observed in the teeth treated with Catalase, resulting in significant differences with the control group. it can be concluded that the results of this study encourage the topical use of antioxidant Catalase as a pulp-capping agent. However, further studies are required to determine optimal antioxidant dosages.
    Journal of Dentistry 08/2000; 28(5):333-9. · 3.20 Impact Factor
  • A Olmez, N Oztaş, S Bilici
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    ABSTRACT: The purpose of this study was to evaluate the effects of glass-ceramic inserts and different application techniques of resin composites on marginal leakage. Three groups of 10 standardized, round, Class V cavities were prepared on the buccal surface of 30 extracted human molar teeth. Group 1 received resin composite restorations, placed in one increment (bulk). Group 2 received resin composite restorations that were placed in two increments, and group 3 received resin composite restorations with beta-quartz ceramic inserts. After the teeth were thermocycled and placed in 0.5% basic fuchsin for 24 hours, they were sectioned and examined for microleakage. On the occlusal margins, there was no statistically significant difference between the restorations placed with the incremental technique and the restorations with beta-quartz inserts. The restorations placed with the bulk technique had significantly more microleakage than did the others. On the gingival margins, the restorations with beta-quartz inserts exhibited significantly less microleakage than did the other groups. The restorations placed with the bulk technique showed significantly more dye penetration than did the others. The use of a glass-ceramic insert reduced the marginal leakage of Class V resin composite restorations.
    Quintessence international 12/1998; 29(11):725-9. · 0.71 Impact Factor