Effects of debonding a conventional & customized lingual appliance on enamel structure- An invitro study

Authors

  • Robin Malik, Dr Santosh Dental College, Santosh (Deemed to be) University, Ghaziabad, NCR Delhi, India
  • Anmol S Kalha osre, Prof. Coorg Institute of Dental Sciences
  • Anil K. Chandna, Dr Institute of Dental Sciences, Bareilly International University, Bareilly, Uttar Pradesh, India
  • Amrita Puri, Dr ITS Dental College, Hospital and Research Centre, Greater Noida, Uttar Pradesh, India
  • Riddhi Chawla, Dr International Faculty of Dental Medicine of Rabat, International University of Rabat, Morocco

DOI:

https://doi.org/10.3126/ojn.v10i3.35485

Keywords:

Chemical Cure Resin, Dual Cure Resin, Lingual appliance, Lingual orthodontics, Sandblasting

Abstract

Introduction: To evaluate the surface changes on enamel structure after debonding of customized and conventional lingual brackets bonded using restorative dual cure bonding material and a chemically cured bonding material with and without sandblasting.

Materials and Method: The sample consisted of 40 premolar teeth extracted for the purpose of orthodontic treatment. Enamel surface changes, prior to bonding, were studied using a stereomicroscope (Olympus SZX7) and an optical microscope. 20 extracted premolars were arranged in 2 arch forms with 5 teeth in each quadrant, after which impression of the arches with rubber base impression material was made. These impressions were then sent to the laboratory for the fabrication of a customized lingual appliance. The remaining 20 premolars were divided into 2 arches, each arch having 10 extracted premolars divided into 4 sets, 1st to test customized brackets bonded with chemical cure resin without sandblasting, 2nd to test customized brackets with dual cure resin without sandblasting, 3rd to test conventional brackets with chemical sure resin with and without sandblasting and 4th to test conventional brackets bonded with dual cure resin with and without sandblasting. The post debonding photographs were analyzed using a standardized grid and Surface Roughness Index.

Result: Thus, enamel defects are likely to be caused post debonding despite of using any combination. However, the surface roughness index has been shown to be highest post debonding in cases where customized brackets have been bonded using dual cure resin along with sandblasting.

Conclusion: While a clinician may opt for a material like Rely X U200 to bond lingual appliances in order to have a better clinical management of the appliance, but he would have to keep the possibility of irreversible damage to enamel post debonding.

Downloads

Download data is not yet available.
Abstract
154
PDF
98

Author Biographies

Robin Malik, Dr, Santosh Dental College, Santosh (Deemed to be) University, Ghaziabad, NCR Delhi, India

PHD Scholar

Anmol S Kalha osre, Prof., Coorg Institute of Dental Sciences

Advisor Research and policy, Professor Emeritus, Associate Director & Advisor Max Healthcare, Chief Architect & Cofounder Medeva Knowledge Systems

Anil K. Chandna, Dr, Institute of Dental Sciences, Bareilly International University, Bareilly, Uttar Pradesh, India

Department of Orthodontics, Senior Professor, Director PG Studies

Amrita Puri, Dr, ITS Dental College, Hospital and Research Centre, Greater Noida, Uttar Pradesh, India

Department of Orthodontics, Professor

Riddhi Chawla, Dr, International Faculty of Dental Medicine of Rabat, International University of Rabat, Morocco

Department of Orthodontics, Assistant Professor

Downloads

Published

2020-12-31

How to Cite

Malik, R., osre, A. S. K., K. Chandna, A., Puri, A., & Chawla, R. (2020). Effects of debonding a conventional & customized lingual appliance on enamel structure- An invitro study. Orthodontic Journal of Nepal, 10(3), 14–20. https://doi.org/10.3126/ojn.v10i3.35485

Issue

Section

Original Articles