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    A combined application of ART-fluoride varnish for immigrant junior field-workers: 12-months follow-up field trial in rural Anatolia
    (Quintessence Publishing Co., Ltd, 2005) Dülgergil, Çoruh Türksel; Ercan, Ertuğrul; Yıldırım, Işıl
    Purpose: Immigrant junior-field-workers in south eastern Anatolia, Turkey, had an impact on agriculture economy, and to provide an optimal dental service is crucial due to their multiple medical and dental problems. So, a combined preventive-operative method including ART-fissure sealant/restoration and fluoride varnish application was evaluated in terms of caries increment, cariogenic bacteria and lesion behavior at one-year follow-up period. Materials and Methods: A total of 27 children with 147 pit and fissure lesions displaying discoloration were included in this study. Of these, 15 children with 75 lesion and 12 children with 72 lesions were divided as test and control groups, respectively. Baseline caries values of each groups were 3.4 ± 1.4 and 2.5 ± 1.6 for test and control groups respectively (p < 0.05). Bacteriologic sampling was undertaken with the dip-slide method (Vivadent). A combined preventive-operative method was performed for the test group but not for the control group. After six months and one year, children were re-examined with respect to cariogenic bacteria in plaque, new caries occurrence and lesion characteristics. Results: Mean caries increment (?DMFT) for both the control and the test group were 1.91 ± 1.53 and 0.26 ± 0.43, respectively. The difference was found to be statistically significant (t = 8.35, p < 0.0001). More lesions in the control group did progress to cavitation than in the test group. A linear relationship was observed between plaque MS-score and cavitation, indicating that when plaque MS levels are high, cavitation does easily occur in the control group and vice versa in the test group (p < 0.0001 for all variables). Conclusion: It could be argued from these findings that a combined preventive-operative method could be applicable not only to treatment of dentinal lesions but also to retard, even prevent, the initial caries on pits and fissures of permanent teeth in rural districts where any other routine dental/preventive care is not feasible, and compliance of the individuals' hygiene is inadequate.
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    Öğe
    In vitro assessment of the effectiveness of chlorhexidine gel and calcium hydroxide paste with chlorhexidine against Enterococcus faecalis and Candida albicans
    (2006) Ercan, Ertuǧrul; Dallı, Mehmet; Dülgergil, Çoruh Türksel; 0000-0002-4753-6553
    Objective: The purpose of this study was to compare the effectiveness of various medicaments, including Ca(OH)2/ 2% chlorhexidine, 2% chlorhexidine gel, and Ca(OH)2 alone, against Enterococcus faecalis and Candid albicans in vitro. Study design: Eighty extracted single-rooted human maxillary teeth were used. After removing the crown, each root was instrumented up to size 50 by using a conventional technique. The root canal was irrigated with ethylenediamine tetra-acetic acid (EDTA) solution to remove smear layer. Then, roots were infected with E faecalis and C albicans. Subsequently, the roots were divided into 4 treatment groups: group 1 was treated with calcium powder hydroxide in distilled water, group 2 was treated with calcium hydroxide powder in 2% chlorhexidine, group 3 was treated with 2% chlorhexidine gel, and group 4 was treated with 0.9% sterile saline serving as negative control. Microbial samples were taken after 7, 15, and 30 days. After incubation, dentine chips were obtained form each root canal and examined microbiologically. The microbiological samples were plated to count colony-forming units in per milligram of dentin. Results: The results showed that the 2% chlorhexidine gel was significantly more effective than calcium hydroxide with 2% chlorhexidine, calcium hydroxide, and control saline solution (P < .05). Conlusion: Under the conditions of this study, 2% chlorhexidine gel is effective in the elimination of E faecalis and C albicans from the root canal system. However, to support this in vitro observation, further in vivo studies are needed.