Person: SAZAK ÖVEÇOĞLU, HESNA
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SAZAK ÖVEÇOĞLU
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Publication Metadata only Evaluation of smear layer removal after use of a canal brush: an SEM study(MOSBY-ELSEVIER, 2010) SAZAK ÖVEÇOĞLU, HESNA; Garip, Yildiz; Sazak, Hesna; Gunday, Mahir; Hatipoglu, SedaObjective. The objective of this study was to evaluate smear layer removal after using the new CanalBrush (Coltene/Whaledent GmbH+Co. KG, Germany). Study design. Twenty extracted maxillary anterior teeth were randomly divided into 2 equal groups. The canals of the teeth in each group were instrumented with ProTaper Universal rotary files (Dentsply Maillefer, Switzerland). Following each file use, the root canals in both groups were irrigated with 5.25% NaOCl and 15% EDTA. At the end of instrumentation, the canals in group 2 were flushed with 15% EDTA, then a CanalBrush was used for 30 seconds, and a final irrigation was conducted with 5.25% NaOCl. All teeth were processed for scanning electron microscopy (SEM), and the removal of the smear layer was examined in the apical, middle, and coronal thirds. Analyses of SEM images were performed by 2 independent evaluators in a blinded manner and using a 4-point scoring system. Results. The middle and apical thirds of the root canals in group 2 showed lower average scores than those in group 1, but the difference was not statistically significant. There was no significant difference in the coronal score between the groups (P>.05). Conclusions. Irrigating with brushing tended to produce cleaner canal walls, but irrigating brushing was not significantly better than irrigation alone in removing the smear layer on the canal walls. (Oral Surg Oral Med Oral Pathol Oral Radiol Endod 2010;110:e62-e66)Publication Metadata only A scanning electron microscopic study of external root resorption in replanted dog teeth(1995) TÜRKMEN, CAFER; Günday, M.; Sazak, H.; Türkmen, C.Root resorption after replantation of mature permanent dog incisors was examined by scanning electron microscopy. Three groups consisting of three extracted teeth each were kept in a saline solution for 5, 30, and 120 min before replantation. The first group was replanted with the pulp intact. The second and third groups were replanted after root canal filling by Calciobiotic Root Canal Sealer. After 90 days, the teeth were extracted and the apical root surfaces were examined. Severe inflammatory root resorption was observed in the first (intact pulp) group. For the root canal filled teeth, the degree of root resorption was observed to be much less in those kept in saline for 30 min than in those kept for 120 min.