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Title: Microbiological study of cast posts before cementation
Author: Vallejo Labrada, Maricela
Ojeda Garcés, Juan Carlos
Email autor: maricela.vallejo@campusucc.edu.co
Issue Date: 20-Feb-2017
Keywords: Sterilization
Disinfection
Bacterial infiltration
Root canal treatment
Abstract: Teeth with endodontic treatment and insufficient crown remnant need intrarradicular posts that fit correctly inside their root canal before casting the definitive restoration, which must assure a correct marginal sealing to avoid micro leakage and the later contamination. 1,2 This study identifies the most common microorganisms present in type III gold cast posts related to pulpal disease and evaluates the sterilization / disinfection method before cementation in the root canal. Forty five type III gold cast posts were aseptically collected in sterile sealed plastic bags and taken to the microbiology laboratory to carry out the study: fifteen cast posts had no treatment, fifteen were disinfected (immersion in 70% alcohol during 15 minutes) and fifteen were autoclaved at 121°C for 15 minutes by using saturated steam under 15 psi pressure. By using a two-proportion z-test, the difference was statistically significant (P>0.05), and demonstrates that in spite of the aseptic pattern used in the cast post collection and laboratory procedures, some cast posts arrive contaminated at the consulting office. The disinfection process worked out in a high percentage and demonstrated that the sterilization by autoclaving eliminated completely the pathogenic microbiota without affecting the cast post shape and integrity that could compromise their final fitting. It indicates that it is the election treatment before cementation
Program: Odontología
Headquarters: Pasto
Publisher: Universidad Cooperativa de Colombia, Facultad de Ciencias de la Salud, Odontología, Pasto
Type: Artículo
Citation: Maricela Vallejo-Labrada and Juan Carlos Ojeda-Garces, “Microbiological Study of Cast Posts before Cementation,” International Journal of Dentistry, vol. 2017, Article ID 1090534, 7 pages, 2017. https://doi.org/10.1155/2017/1090534.
Resource reference: https://www.hindawi.com/journals/ijd/2017/1090534/
Appears in Collections:Odontología

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