An in-vitro and in-vivo comparison of sealing and healing ability of a new root canal sealer (CH-61) with three commonly used sealers Gupta Charu, Professor, Dewan MS, Professor Address for Correspondence: Dr. Charu Gupta, Professor, Department of Operative Dentistry, Desh Bhagat Dental College, Muktsar, Punjab E-mail: drcharugem@yahoo.co.in
Online published on 25 November, 2013. Abstract Aim The aim of this study was to examine sealing and healing ability of four root canal sealers. Methodology A comparison of root canal sealers CH-61, Ketac Endo, Sealapex and Zinc oxide eugenol was done in vivo (60 teeth) and in vitro (80 teeth). The root canals were instrumented using step back technique & the specimens were divided into four equal groups. (15 samples each in vivo group & 20 samples each in vitro group). The individual samples were filled with test sealer and gutta-percha points by cold lateral condensation technique. For in-vitro samples, extent of apical leakage was determined under a travelling microscope. For in vivo, patients were examined after 1½, 3, 6 & 9 months for clinical and radiological examination. Results In vitro study, Ketac endo showed the highest mean apical dye penetration (4.372mm) followed by sealapex (427 mm), Zinc oxide eugenol (2.211 mm) and least in CH61 (1.871mm) respectively. Statistical analysis revealed that CH-61 showed significantly less leakage than the other three sealers at 5% (P < 0.05). For in vivo, clinical success rate was 100% in all the four groups while radiological findings indicated that maximum reduction in periapical radiolucency was seen in sealapex (75.19%) followed by (CH61 72.29%) Zinc oxide engenol (71.55%) and Ketac endo (67.69%) respectively. Conclusions Under conditions of this study, all the four sealers were comparable in their healing ability. CH61 was found to be superior than the other three sealers as far as sealing ability was concerned. Top |