Abstract

Dr. Rao Vinayak Jagdish*, Dr. Ananthakrishna S., Dr. Pradeep P. R., Dr. Shirin Darure and Dr. Dipin Tom Jose

ABSTRACT

Fracture Resistance Of Teeth Obturated With Different Obturating Materials: An In-Vitro Study Endodontically obturated teeth have lower fracture resistance depending on the obturating material and technique.[1] The reason most often reported have been the dehydration of dentin after endodontic therapy, excessive pressure during obturation and the removal of teeth structure during endodontic treatment.[2] Microorganisms and their products are the main aetiological factors in dentinal, pulpal and periapical pathosis (Kakehashi et al. 1965, Brannstrom & Nordenvali 1978, Fabricus et al. 1982, Barnett et al. 1990, Sundqvist 1992). The central aim of root canal treatment is the elimination of bacteria from the infected root canal and prevention of subsequent reinfection. This is mainly achieved by thorough irrigation and biomechanical preparation of the root canal, followed by a canal filling that should seal the canal system from bacterial ingress from the oral cavity and periradicular tissues. Long-lasting sealing ability and adaptation to the root canal walls are one of the prime requisites for a root canal sealer.[3]