A feasible method to eliminate nanoleakage in dentin hybrid layers

Ji Hua Chen, Yan Liu, Li Na Niu, Shuai Lu, Franklin Chi Meng Tay, Yu Gao

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Purpose: To determine whether high-pressure air blowing during adhesive application affects the infiltration of resin comonomers and nanoleakage manifestation in the resin/dentin interface under simulated pulpal pressure. Materials and Methods: Thirty mid-coronal dentin surfaces were bonded with an etch-and-rinse adhesive (Adper Single Bond 2) under simulated pulpal pressure. In the control group, the adhesive was thinned by ordinary air blowing with a pressure of 0.2 MPa, while in the experimental group, a high-pressure air blowing technique (pressure: 0.4 MPa) was used. All other procedures followed the manufacturer's instructions. Resin tag formation and nanoleakage in the bonding interface were evaluated with scanning electron microscopy (SEM) and transmission electron microscopy (TEM). Results: When adhesive was thinned with high pressure air blowing, longer and more homogeneous resin tags were formed. The bonding interface demonstrated good overall morphology and integrity. Almost perfect infiltration of resin and no obvious nanoleakage were observed. Conclusion: Thinning of adhesive with high-pressure air blowing provides a clinically feasible adjunctive procedure for better resin infiltration.

Original languageEnglish (US)
Pages (from-to)429-434
Number of pages6
JournalJournal of Adhesive Dentistry
Volume16
Issue number5
DOIs
StatePublished - Jan 1 2014

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Air Pressure
Dentin
Adhesives
Pressure
Transmission Electron Microscopy
Electron Scanning Microscopy
Air
Control Groups

Keywords

  • Adhesive
  • Bonding
  • High-pressure blowing
  • Hybrid layer
  • Infiltration
  • Nanoleakage

ASJC Scopus subject areas

  • Orthodontics
  • Oral Surgery
  • Periodontics

Cite this

A feasible method to eliminate nanoleakage in dentin hybrid layers. / Chen, Ji Hua; Liu, Yan; Niu, Li Na; Lu, Shuai; Tay, Franklin Chi Meng; Gao, Yu.

In: Journal of Adhesive Dentistry, Vol. 16, No. 5, 01.01.2014, p. 429-434.

Research output: Contribution to journalArticle

Chen, Ji Hua ; Liu, Yan ; Niu, Li Na ; Lu, Shuai ; Tay, Franklin Chi Meng ; Gao, Yu. / A feasible method to eliminate nanoleakage in dentin hybrid layers. In: Journal of Adhesive Dentistry. 2014 ; Vol. 16, No. 5. pp. 429-434.
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