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Performance evaluation of two different surface texturing in the peri-implant osteogenesis in spontaneously hypertensive rats (SHR) and treated with losartan

Grant number: 17/16912-0
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): November 01, 2017
Effective date (End): November 30, 2019
Field of knowledge:Health Sciences - Dentistry
Principal Investigator:Roberta Okamoto
Grantee:Jaqueline Silva dos Santos
Home Institution: Faculdade de Odontologia (FOA). Universidade Estadual Paulista (UNESP). Campus de Araçatuba. Araçatuba , SP, Brazil

Abstract

The aim of this study will be to investigate the bone metabolism dynamics of bone / implant interface in SHR rats that will have the implant placement and analyze what the influences that losartan treatment may lead to peri-implant bone. Forty-eight male rats will be used, 24 (SHR) and normotensive 24 (Wistar). Surgery will be performed to install an implant textured surface, or Neoporos and Acqua in each animal tibia, that is, two implants of surfaces per animal. The analysis will be divided according into groups and subgroups: Analysis I- the tibia (n = 6) will be used for MicroCT analysis; Analysis II- the tibia (n = 6), shall be submitted to decalcification process for paraffin embedding, and the cut with semi-serial sections will be mounted and will be used for immunohistochemical analysis with antibodies VEGF, OPG, RANKL and OC; tibia will be used for histological analysis, where the quality of the bone tissue maturation, inflammation and cell morphology will be assessed. All quantitative results will be statistically analyzed adopting a 5% significance level. (AU)

Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
GABRIEL MULINARI-SANTOS; JAQUELINE SILVA DOS SANTOS; LETÍCIA PITOL PALIN; ANA CLÁUDIA ERVOLINO DA SILVA; CRISTINA ANTONIALI; LEONARDO PEREZ FAVERANI; ROBERTA OKAMOTO. Losartan improves alveolar bone dynamics in normotensive rats but not in hypertensive rats. Journal of Applied Oral Science, v. 27, p. -, 2019. Web of Science Citations: 0.

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