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    Effects of Fixed and Removable Space Maintainers on Plaque Accumulation, Periodontal Health, Candidal and Enterococcus Faecalis Carriage
    (Karger, 2015) Arikan, Volkan; Kizilci, Esra; Ozalp, Nurhan; Ozcelik, Berrin
    Objective: To evaluate the effects of space maintainers on plaque accumulation, periodontal health and oral microflora. Subjects and Methods: The study participants comprised 38 patients aged 4-10 years requiring either fixed or removable space maintainers. Plaque index, gingival index, bleeding on probing index, candidal colonization and Enterococcus faecalis were recorded just before the application of space maintainers (T0) and during treatment at the 1st (T1), 3rd (T2) and 6th (T3) month. Results: The gingival and bleeding on probing index scores increased significantly (gingival index from 0.20 +/- 0254 to 0.54 +/- 0417 and bleeding on probing index from 7.18 +/- 9.946 to 18.07 +/- 14.074) in the regions with fixed space maintainers at T3 (p < 0.01). The mean Candida counts also increased (for removable appliances from 1.90 +/- 3.638 to 1.98 +/- 3.318, p < 0.05, and for fixed appliances from 4.25 +/- 4.587 to 4.52 +/- 4.431, p < 0.001). The salivary E. faecalis counts at T3 also increased significantly with the use of fixed and removable appliances (for removable appliances from 5.93 +/- 2.65 to 85.53 +/- 34.1 and for fixed appliances from 4.95 +/- 2.94 to 123.59 +/- 29.51, p < 0.001). A positive correlation was found between the plaque (r = 0.67), gingival (r = 0.76) and bleeding on probing index scores (r = 0.76) and the candidal colonization for the fixed space maintainers (p < 0.01, p < 0.001). Conclusions: In this study, both fixed and removable space maintainers led to an increase in the number of microorganisms in the oral cavity as well as to increases in the periodontal index scores. Patients should be informed that space maintainers may serve as a source of infection and that special attention must be given to their oral hygiene. (C) 2015 S. Karger AG, Basel
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    Öğe
    The effect of space maintainers on salivary pH, flow rate, and the oral microflora
    (Sciendo, 2021) Kizilci, Esra; Arikan, Volkan; Ozalp, Nurhan; Ozcelik, Berrin
    Background: Space maintainers are used to preserve created space caused by the premature loss of primary teeth but they may also upset the oral environment and play a role in caries formation. The current research aimed to assess the impact of removable and fixed space maintainers on salivary pH, flow rate, and the oral microflora. Methods: Thirty-eight patients aged between 4 and 10 years, each of whom required a fixed (n = 19) or removable space maintainer (n = 19), were enrolled in this research. The salivary pH, saliva flow rate, salivary Streptococcus mutans, and Lactobacillus counts were measured immediately prior to the placement of the space maintainers (baseline-T0) and during the follow-up period, at the 1st (T1), 3rd (T3), and 6th (T6) month. The Wilcoxon, Mann-Whitney U test and Friedman tests were applied for statistical analyses. Results: Streptococcus mutans and Lactobacillus counts were significantly higher at the 6th month time period in comparison with the baseline scores for both groups (P < 0.001). The salivary pH and flow rates did not change significantly at any measurement period (P > 0.05). Conclusions: Space maintainers can favour caries formation by changing the oral microflora. It is advisable to warn patients and their parents of the risks and provide motivation to perform meticulous oral hygiene.