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Prospective evaluation of preservation alveolar ridge through the placement of different alveolar materials into patients submitted to the removal of dental elements

Grant number: 17/23712-7
Support Opportunities:Regular Research Grants
Duration: June 01, 2018 - May 31, 2020
Field of knowledge:Health Sciences - Dentistry - Oral and Maxillofacial Surgery
Principal Investigator:Claudio Ferreira Nóia
Grantee:Claudio Ferreira Nóia
Host Institution: Faculdade de Odontologia de Piracicaba (FOP). Universidade Estadual de Campinas (UNICAMP). Piracicaba , SP, Brazil


The search for an ideal material that is capable of preserving / regenerating the alveolar bone structure is one of the main focuses of the current Implantodontia, however, so far, there is no consensus in the literature about which material to use. Therefore, the objective of this study will be to evaluate, comparatively, by means of clinical and tomographic evaluations, three different materials: bovine heterogeneous graft (Biomaterial), non-resorbable membrane (d-PTFE) and platelet rich fibrin (PRF), used to preserve the alveolar ridge of patients submitted to removal of dental elements. For this purpose, 52 patients with dental remnants in the oral cavity will be selected and submitted to atraumatic extraction, whose alveoli will be filled according to the following distribution: Group I- Clot, Group II-d-PTFE, Group III- Biomaterial and Group IV- PRF. Each group will consist of 13 patients and the same will be submitted to clinical evaluations and tomography in the pre-established periods: (T0) preoperative, (T1) 7-day postoperative, and (T2) 120-day postoperative. For the clinical evaluations, the patients will be molded and made gypsum models, which will be used to make a standardized acrylic guide and allow to evaluate the dimensional changes of height and thickness of the sample. CT scans will serve as a basis for performing vertical (height) and horizontal measurements (thickness) of the alveolar bone structure of the sample. Both clinical and tomographic evaluations will be performed at each of the pre-established times, according to each group studied. (AU)

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