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Bisphenol a release from orthodontic adhesive in patients with Haas palatal expanders

Grant number: 20/04866-6
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): August 01, 2020
Effective date (End): July 31, 2021
Field of knowledge:Health Sciences - Dentistry - Orthodontics
Principal researcher:Mírian Aiko Nakane Matsumoto
Grantee:Ana Paula Valladares de Almeida
Home Institution: Faculdade de Odontologia de Ribeirão Preto (FORP). Universidade de São Paulo (USP). Ribeirão Preto , SP, Brazil

Abstract

The present study was to evaluate the release of Bisphenol A from the orthodontic resin adhesive system (Transbond XT), as well as orthodontic band adhesive (Transbond Plus Light Cure Band), both used in the cementation of the modified Haas Breaker for mixed dentition, in 20 patients between 6 and 12 years, with indication for orthodontic treatment through rapid maxillary expansion. The in vivo study will be performed in which saliva samples will be collected in 5 times: before, 30 minutes, 24 hours, 1 week and 1 month after the cementation of the modified Haas circuit breaker. The analyzes will be done by UHPLC-MS/MS method.

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