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Full-Text Articles in Endodontics and Endodontology
Disinfection Of Dentin By Intracanal Laser Irradiation: An In Vitro Model, Silvia Cristina Mafra Cecchini
Disinfection Of Dentin By Intracanal Laser Irradiation: An In Vitro Model, Silvia Cristina Mafra Cecchini
Loma Linda University Electronic Theses, Dissertations & Projects
A possible cause for root canal failure is the persistence of bacteria that have colonized dentinal tubules. To reduce this risk and, if possible, to also shorten the time consuming endodontic therapy, new equipment and materials are constantly being introduced. The aim of the present investigation was to study the effect of disinfection of dentinal tubules by intracanal laser irradiation using an in vitro model. The groups irradiated by various lasers were compared with calcium hydroxide, a material frequently used as intracanal medication between appointments. Freshly extracted, intact bovine incisors were used. The root cementum was removed and the teeth …
Anti-Inflammatory Agents And The Modulation Of Replacement Root Resorption, Geoffrey Toshio Okada
Anti-Inflammatory Agents And The Modulation Of Replacement Root Resorption, Geoffrey Toshio Okada
Loma Linda University Electronic Theses, Dissertations & Projects
Replacement resorption (RR) occurs following severe injury to the periodontal ligament (PDL). It has been suggested that inflammatory reactions precede RR. The purpose of this study was to examine and compare histologically the effect of topical application of two anti-inflammatory medications and stannous fluoride (SF) on the development of RR. Thirty-four roots of beagle dog mandibular 2nd, 3rd, and 4th premolars received root canal therapy. They were then extracted and left to bench dry for one hour. Following removal of their PDLs, they were soaked for five minutes in either 10 µg/ml ketorolac (n=10), 16 µg/ml of dexamethasone (n=10), or …
Periradicular Response Of Immunodeficient Rats To Mechanical Pulpal Exposure, James E. Stich
Periradicular Response Of Immunodeficient Rats To Mechanical Pulpal Exposure, James E. Stich
Loma Linda University Electronic Theses, Dissertations & Projects
Periradicular lesions develop as a result of the interaction between root canal irritants and the immune system. The purpose of this study was to investigate the periradicular response of immunodeficient rats to their oral flora. Twenty Sprague-Dawley rats received a total body irradiation dose of 750 cGy one week prior to the investigation. The pulps of the mandibular first molars of these animals and six nonirradiated rats were exposed mechanically with a ½ round bur and left open to the oral cavity. Additional irradiation (350 cGy) was administered bi-weekly to maintain immunosuppression. Periradicular specimens were obtained after two and four …