Author/Authors :
Madani، Zahra Sadat نويسنده Dental Materials Research Center Dental School, Babol University of Medical Sciences, Babol, Iran. Madani, Zahra Sadat , Haddadi ، Azam نويسنده Department of Endodontics Dental school Mazandaran University of Medical Sciences, Sari, Iran , , Mesgarani ، Abbas نويسنده Assistant Professor, Department of Endodontics, Faculty of Dentistry, Babol University of Medical Sciences, Babol-Iran. , , Seyedmajidi، Maryam نويسنده , , Mostafazadeh، Amrollah Amrollah نويسنده Cellular and Molecular Biology Research Center, Babol University of Medical Sciences, Babol, Iran. Mostafazadeh, Amrollah Amrollah , Bijani ، Ali نويسنده Non-Communicable Pediatric Diseases Research Center, Babol University of Medical Sciences, Babol, Iran , , Ashraphpour، Manouchehr نويسنده Department of pharmacology and Neurosciences, Babol University of Medical Sciences, Babol, Iran. Ashraphpour, Manouchehr
Abstract :
Diabetes mellitus is a chronic disease which affects the healing ability of the pulp and periodontium. The aim of the present study was to assess the histopathologic response of dental pulp to pulp capping using MTA or CEM cement in diabetic rats. Thirty two Wistar male rats aged between 8 and 10 weeks (weight: 200-250g) were divided into two groups of diabetic (n=16) and healthy (n=16) animals and then subdivided into MTA and CEM subgroups. In each group, 10 MTA treated, 10 CEM treated and 12 intact (without any intervention) teeth were analyzed. Intact teeth were considered as a baseline inflammation control. Then, class I cavity was made in the maxillary first molars teeth with pinpoint pulpal exposure. Either MTA or CEM cement was then placed over exposed pulp as pulp capping agent and the cavities were restored using resin- modified glass ionomer cement. Both teeth of rats in subgroups remained intact without any intervention. After four weeks, the rats were sacrificed and the teeth were subjected to histological evaluation in terms of inflammation intensity, dentin bridge formation and dentin bridge continuity. The CEM cement treated diabetic rats exhibited a significant higher inflammatory response when compared to healthy control group (P=0.004) whereas, MTA treated diabetic rats did not exhibit a significant higher inflammatory response in comparison to healthy controls. There was no significant difference between MTA and CEM cement in the induction of dentin bridge formation in diabetic and healthy controls. This preliminary study suggests that MTA is a superior dental material than CEM cement for pulp therapy in subjects with diabetes.
