Adhesion strength of orthodontic brackets to acrylic surfaces. A systematic review on in vitro studies

Mónica Morado Pinho*, Maria Conceição Manso, Conchita Martin, Júlio C.M. Souza, Ricardo Faria Almeida, Afonso Pinhão Ferreira

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

5 Citations (Scopus)


Objectives: The aim of this study was to systematically review the available literature about in vitro orthodontic bond strength tests regarding bonding brackets to acrylic teeth. Methods: A comprehensive electronic database search with no date or language limits was conducted. Relevant studies were selected based on predefined criteria: in vitro investigation on the shear/tensile bond strength of brackets evaluated and expressed in megapascals and/or considering the adhesive remnant index; and studies with a clear explanation of the bonding technique/protocol, bonding materials and type of surface acrylic material used. Results: 2044 published articles were presented by the four databases. Of the studies collected from all the databases, 28 based on their title and 14 based on their abstract, only 10 studies fulfilled the selection criteria after being examined twice by the two reviewers. Conclusion: The type of surface noticeably influenced the adhesion, and surface treatments should be performed to improve bond strength.

Original languageEnglish
Pages (from-to)65-70
Number of pages6
JournalRevista Portuguesa de Estomatologia, Medicina Dentaria e Cirurgia Maxilofacial
Issue number2
Publication statusPublished - 2017


  • Acrylic resin Adhesion
  • Crowns Dental bonding
  • Orthodontic brackets
  • Provisional material


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