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Orthodontic Attachment Adhesion to Ceramic Surfaces

Authors Labunet A, Kui A, Voina-Tonea A, Vigu A, Sava S

Received 19 January 2021

Accepted for publication 24 February 2021

Published 17 March 2021 Volume 2021:13 Pages 83—95


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 2

Editor who approved publication: Professor Christopher E. Okunseri

Anca Labunet,1 Andreea Kui,2 Andrada Voina-Tonea,1 Alexandra Vigu,1 Sorina Sava1

1Dental Materials Discipline, “Iuliu Hatieganu” Medicine and Pharmacy University Cluj-Napoca, Cluj, Romania; 2Prosthodontics Discipline, “Iuliu Hatieganu” Medicine and Pharmacy University Cluj-Napoca, Cluj, Romania

Correspondence: Andreea Kui 32 Clinicilor Street, Cluj-Napoca, Cluj, Romania
Tel +0040-264597844
Email [email protected]

Abstract: Ceramic materials are constantly evolving, achieving good functionality and aesthetics. Bonding to ceramics may be difficult because of high toxicity procedures and risk of surface damage. The review aims to answer several research questions: Is there a golden standard for bonding to ceramic? Are there adhesives or types of photopolymerization lamps that produce a higher bond strength on certain types of ceramics rather than others? Articles focusing on the bonding process of orthodontic attachments to ceramic surfaces searched in Pubmed, Medline and Embase, published between 1990 and 2018 were revised. Exclusions concerned bonding to non-ceramic surfaces, bonding to ceramic surfaces that are not destined for orthodontics or laser usage. Forty-nine articles that matched the inclusion criteria were researched. The following categories of original research articles were compared and discussed: metallic brackets bonding to ceramic surfaces, ceramic brackets to ceramic surfaces, bonding to new types of ceramics, such as zirconia, lithium disilicate, different photopolymerisation devices used on bonding to ceramics. Some types of adhesive may achieve minimal bond strength (6– 8 MPa) even on glazed ceramic. Ceramic surface preparation may be done by sandblasting or hydrofluoric acid (60s application and 9.6%) with generally similar results. Studies rarely show any statistical difference and there are reduced number of samples in most studies. Ceramic brackets show better adhesion to ceramic surfaces and the same bonding protocol is advised. A higher bond strength may lead to ceramic surface. Few studies focus on newer types of ceramics; additional research is necessary. There is no clear evidence that a certain type of photopolymerization device produces higher shear bond strength values.

Keywords: ceramic bond, adhesion, shear bond strength

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