In Vitro Antibacterial and Remineralizing Effect of Adhesive Containing Triazine and Niobium Pentoxide Phosphate Inverted Glass

Overview

Journal Clin Oral Investig

Specialty Dentistry

Date 2016 Feb 20

PMID 26892472

Citations 10

Authors

Aline Segatto Pires Altmann

Fabricio Mezzomo Collares

Vicente Castelo Branco Leitune

Rodrigo Alex Arthur

Antonio Shigueaki Takimi

Susana Maria Werner Samuel

Affiliations

Soon will be listed here.

Abstract

Objectives: White spot lesions are still a concern for orthodontic patients. The objective of this study was to assess the remineralizing and antibacterial effect of a newly developed orthodontic adhesive.

Methods: The compounds 1,3,5-tryacryloylhexahydro-1,3,5-triazine (TAT) and phosphate invert glass containing 10 mol% of niobium pentoxide (PIG-Nb) were added at 20 and 5 wt%, respectively, to an experimental adhesive (75 wt% BisGMA, 25 wt% TEGDMA, 5 wt% fummed silica, and photo-initiator system), called TPN. A group without the addition of these compounds was used as Control and the orthodontic adhesive Transbond XT (TXT) was used for comparison. Antibacterial activity was evaluated through surface biofilm formation, mineral deposition, and degree of conversion (DC) through Raman microscopy, Knoop hardness after softening in solvent, and bracket dislodgement (BD).

Results: TPN group presented a reduction in bacterial growth when compared to Control and TXT. Mineral deposits were observed on the surface of TPN adhesive after 14 and 28 days of immersion in artificial saliva. There was an increase in DC after 28 days, whereas TPN group presented the highest DC. All groups underwent some degree of softening. No significant changes were observed in BD after 28 days of immersion in artificial saliva.

Conclusion: The newly developed orthodontic adhesive, with addition of 20 wt% TAT and 5w% PIG-Nb, exhibited antibacterial activity and was capable to induce mineral deposition on its surface in vitro.

Clinical Significance: The orthodontic adhesive developed in this study with antibacterial activity and mineral deposition could be a reliable choice for brackets adhesion.

Citing Articles

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