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South African Dental Journal
versión On-line ISSN 0375-1562
versión impresa ISSN 0011-8516
Resumen
SUNGUR GUZEL, R; CANAKCI, BC; ER, Ö y ARILI OZTURK, E. Effect of separated instruments on periapical pH using calcium hydroxide as an intracanal medicament in curved root canals. S. Afr. dent. j. [online]. 2023, vol.78, n.4, pp.180-183. ISSN 0375-1562. http://dx.doi.org/10.17159/sadj.v78i04.15434.
OBJECTIVE: To evaluate the effect of intracanal separated instruments with different lengths on periapical pH levels using calcium hydroxide (CH) as an intracanal medicament in curved root canals. Materials and methods: 120 teeth (root canal curvature >25") were divided into six groups following the root canal preparation. In Group 1, 2mm and in Group 2, 4mm NiTi instruments were separated in the apical portion of the root canals and CH paste was applied. In Groups 3 and 4, no separated instrument but CH was applied. In Groups 5 and 6, neither a separated instrument nor CH was applied. The samples were placed inside a glass tube with distilled water. pH of this distilled water was measured at different time points. RESULTS: At all time points, pH values between the experimental groups were similar except at 1-day (Group 1 < Group 2, P<0.05). At the 2-day and 30-day time points, Group 3 showed higher pH values than Group 1 (P<0.05). At 7-day and 14-day points, pH values were similar. CONCLUSION: The presence of a separated instrument with different lengths in curved root canals did not have a significant effect on the pH increase caused by CH used as an intracanal medicament