AIM: To evaluate the cytotoxicity of current root canal sealers to periodontal ligament (PDL) fibroblasts. METHODOLOGY: Five root canal sealers (Canals, Canals-N, Topseal, Sealapex, Tubliseal) were prepared and placed into transwells. After initial setting for 1 h, the transwells with sealers were placed into cultured PDL fibroblasts. They were cultured for further 3 or 18 h. Morphological changes were observed. Cell viability was estimated by 3-(4,5-dimethyl-thiazol-2-yl)-2,5- diphenyl-tetrazolium bromide (MTT) assay. RESULTS: Marked retraction and death of PDL fibroblasts were observed after exposure to Canals or Topseal for 3 h. A 3-h exposure of PDL fibroblasts to Tubliseal stimulated MTT reduction. Canals-N showed little cytotoxicity even after an exposure of 18 h. CONCLUSION: Canals was the most toxic sealer, followed by Topseal. Sealapex and Tubliseal had comparable and moderate cytotoxicity to PDL fibroblasts, whereas Canals-N showed little cytotoxicity. Exposure to Tubliseal may modulate MTT reduction in PDL fibroblasts. Canals-N had good biocompatibility.
AIM: To evaluate the cytotoxicity of current root canal sealers to periodontal ligament (PDL) fibroblasts. METHODOLOGY: Five root canal sealers (Canals, Canals-N, Topseal, Sealapex, Tubliseal) were prepared and placed into transwells. After initial setting for 1 h, the transwells with sealers were placed into cultured PDL fibroblasts. They were cultured for further 3 or 18 h. Morphological changes were observed. Cell viability was estimated by 3-(4,5-dimethyl-thiazol-2-yl)-2,5- diphenyl-tetrazolium bromide (MTT) assay. RESULTS: Marked retraction and death of PDL fibroblasts were observed after exposure to Canals or Topseal for 3 h. A 3-h exposure of PDL fibroblasts to Tubliseal stimulated MTT reduction. Canals-N showed little cytotoxicity even after an exposure of 18 h. CONCLUSION: Canals was the most toxic sealer, followed by Topseal. Sealapex and Tubliseal had comparable and moderate cytotoxicity to PDL fibroblasts, whereas Canals-N showed little cytotoxicity. Exposure to Tubliseal may modulate MTT reduction in PDL fibroblasts. Canals-N had good biocompatibility.
Authors: Rasika P Illeperuma; Young J Park; Jin M Kim; Jung Y Bae; Zhong M Che; Hwa K Son; Mi R Han; Kwang M Kim; Jin Kim Journal: J Mater Sci Mater Med Date: 2011-11-10 Impact factor: 3.896
Authors: L A B Silva; L U Azevedo; A Consolaro; F Barnett; Y Xu; R A Battaglino; P S Cañadas; Katharina Morant Holanda de Oliveira; R A B Silva Journal: Clin Oral Investig Date: 2017-03-09 Impact factor: 3.573
Authors: Grzegorz Szczurko; Małgorzata Pawińska; Elżbieta Łuczaj-Cepowicz; Anna Kierklo; Grażyna Marczuk-Kolada; Adam Hołownia Journal: Odontology Date: 2017-12-14 Impact factor: 2.634