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    Comparison of clinical efficacy and patient acceptance of interdental brush and silicone coated interdental pick: a randomized split-mouth, prospective clinical trial
    (Springer Heidelberg, 2020) Ustaoglu, Gulbahar; Ercan, Esra; Gumus, Kerem Caglar
    Objectives The aim of this split-mouth, prospective controlled study was to compare the effects of two different interdental devices on clinical plaque elimination, gingival bleeding and patient acceptance and comfort. Materials and methods Thirty participants who had been diagnosed with gingivitis were included in the study. After professional oral prophylaxis and a 3-day washout period, patients were advised to use two test devices (TePe Interdental Brushes Original and TePe EasyPick (TM), Malmo, Sweden) according to instructions. The plaque index (Turesky modification of the Quigley and Hein Index) and bleeding index (Papillary Bleeding Index) were recorded at baseline and after 2 weeks. Patient satisfaction and comfort were assessed with a questionnaire. Results Both of the tested devices improved the plaque and bleeding index scores. There were no differences between the two sides in terms of time-dependent changes. The patients felt more satisfied with the cleansing capacity and more comfortable with the use of SCIP compared with IDB (p = 0.001). Pain sensation with the use of SCIP was significantly lower than with IDB (p = 0.002). Conclusion The clinical efficiency of the tested interdental devices was similar in terms of removing plaque and decreasing bleeding. However, SCIP were found to be more comfortable and preferable to IDB.
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    Nano-Hydroxyapatite Airborne-Particle Abrasion System as an Alternative Surface Treatment Method on Intraorally Contaminated Titanium Discs
    (Quintessence Publishing Co Inc, 2020) Gumus, Kerem Caglar; Ustaoglu, Gulbahar; Kara, Levent; Ercan, Esra; Albayrak, Onder; Tunali, Mustafa
    The aim of this study was to test the nano-hydroxyapatite powder decontamination method on intraorally contaminated titanium discs and to compare this method with current decontamination methods in the treatment of peri-implantitis. Contaminated discs were assigned to six treatment groups (n = 10 each): titanium hand curette; ultrasonic scaler with a plastic tip (appropriate for titanium); ultrasonic scaler with a plastic tip (appropriate for titanium) + H2O2; short-term airflow system (nano-hydroxyapatite airborne-particle abrasion for 30 seconds); long-term airflow system (nano-hydroxyapatite airborne-partide abrasion for 120 seconds); Er:YAG laser (120 mJ/pulse at 10 Hz). There were also two control groups (n = 10 each): contaminated disc (negative control) and sterile disc (positive control). Scanning electron microscopy, energy-dispersive x-ray spectroscopy, and dynamic contact angle analysis were used to determine the most effective surface-treatment method. The highest percentage of carbon (C) atoms was observed in the negative control group, and the lowest percentage of C atoms was found in the long-term airflow group, followed by the short-term airflow, laser, ultrasonic + H2O2, ultrasonic, and mechanical groups. When the groups were examined for wettability, the lowest contact angle degree was observed in the long-term airflow, short-term airflow, and laser groups. Nano-hydroxyapatite and laser treatments for detoxifying and improving infected titanium surfaces may show the most suitable results for reosseointegration.