<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>In this study, two types of ceramic brackets – monocrystalline and polycrystalline – were bonded to unroughened and roughened resin-composite discs using a light-cured orthodontic adhesive, and the bonds tested under shear stress in a universal testing machine. There was no significant difference in the shear bond strength between the combinations of ceramic brackets, and between the surface treatments of the resin composite. A higher frequency of resin-composite fracture was observed with the polycrystalline brackets (12/20) than with the monocrystalline ceramic brackets (7/20). lt is concluded that debonding any type of ceramic bracket from a resin-composite surface may cause damage to the resin composite itself.</p>
</abstract>

In this study, two types of ceramic brackets – monocrystalline and polycrystalline – were bonded to unroughened and roughened resin-composite discs using a light-cured orthodontic adhesive, and the bonds tested under shear stress in a universal testing machine. There was no significant difference in the shear bond strength between the combinations of ceramic brackets, and between the surface treatments of the resin composite. A higher frequency of resin-composite fracture was observed with the polycrystalline brackets (12/20) than with the monocrystalline ceramic brackets (7/20). lt is concluded that debonding any type of ceramic bracket from a resin-composite surface may cause damage to the resin composite itself.

Shear bond strength of ceramic brackets to resin-composite surfaces

DDS, MDSc, Faculty of Dentistry Srinakharinwirot University

Australasian Orthodontic Journal

This work is licensed under the Creative Commons Attribution 4.0 International License.

{"article-title":"Shear bond strength of ceramic brackets to resin-composite surfaces"}

In this study, two types of ceramic brackets – monocrystalline and polycrystalline – were bonded to unroughened and roughened resin-composite discs using a...

Shear bond strength of ceramic brackets to resin-composite surfaces

Publié en ligne: 16 janv. 2024

Pages: 10 - 15

Reçu: 01 juil. 1995

Accepté: 01 avr. 1997

DOI: https://doi.org/10.2478/aoj-1997-0010

Mots clés
Ceramic bracket, resin composite, orthodontic bonding, shear bond strength

© 1997 Ekachai Chunhacheevachaloke et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Shear bond strength of ceramic brackets to resin-composite surfaces

Publié en ligne: 16 janv. 2024

Pages: 10 - 15

Reçu: 01 juil. 1995

Accepté: 01 avr. 1997

DOI: https://doi.org/10.2478/aoj-1997-0010

Mots clésCeramic bracket, resin composite, orthodontic bonding, shear bond strength

© 1997 Ekachai Chunhacheevachaloke et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Mots clés
Ceramic bracket, resin composite, orthodontic bonding, shear bond strength