The rubber dam (absolute isolation) has benefits with regard to infection control, patient protection and treatment efficacy. The objective of this work is to evaluate the attitude of dental students, general practitioners and specialists in Endodontics, in relation to the use of the rubber dam. A qualitative and quantitative research, of an exploratory and applied nature, was carried out, with the application of a questionnaire via Google Forms in order to collect data on the use of absolute isolation in restorative and root canal treatments. Students and professors of the Dentistry course at Centro Universitário Vale do Rio Verde and dentists in general were included in the sample. The results had a variation according to the level of performance, with Endodontists being the most adept at using the rubber dam. It is concluded that successful dental treatment depends on effective infection control measures and this can be achieved by isolating the operating field with a well-fitting rubber dam.
Statement of the Problem: The bioceramic cements have properties that provide periradicular and root regeneration. Attributes that determine regenerative dentistry. Purpose: the objective of this study was to evaluate endodontic treatments of necrotic teeth performed with PBS HP CIMMO® cement (without gutta-percha), compared to conventional treatments, filled with gutta-percha. Materials and Method: A two-arm, double-blind, single-center, randomized, and prospective clinical trial was designed (NCT03514264). CONSORT guidelines were followed. Eighty-six patients aged 18-60 years were enrolled; only one tooth per patient was treated. Patients were treated in two sessions in Group A (gutta-percha thermoplasticization and vertical hydraulic compresssion and AH Plus® n=43) and one session in Group B (PBS HP CIMMO® n=43). The evaluation was performed one year after the treatment. Two examiners performed clinical examinations and evaluated CT images for the presence or absence of periradicular lesion. Intention-to-treat analysis was used. Results: Tomographic analyzes showed differences between the groups: group B (PBS HP CIMMO®) presented a higher number of cases with periradicular regeneration (p=0.0004). Conclusion: The results of the present study indicated the possibility of rehabilitation of necrotic teeth through endodontic filling with bioceramic (PBS HP CIMMO®), without gutta-percha, in a single session.
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