The effects of acid etch-resin restoration of cervical erosions on the pulp-dentin system
Date
1977
DOI
Authors
Cogar, Gary A.
Version
OA Version
Citation
Abstract
The purpose of this investigation was to examine the biological consequences of restoring cervical erosions with acid etch-composite resin restorations. A clinical study was initiated to determine the effects of the restorative technique on the pulp tissue. Scanning electron microscopy was used to investigate the alterations in topography created by the effects of the etchant on the hard dental tissues as well as to examine the unaltered eroded dentinal surface. Fractured and decalcified specimens were viewed to assess the adaptation of the restorative material to the prepared surface. Finally, a dye penetration study was conducted in order to assess the final restoration’s ability to provide a barrier to microleakage.
Careful histologic examination of the teeth throughout the time period of the investigation revealed that the pulps did not demonstrate an inflammatory reaction to the restorative procedure. Acid etching was found to profoundly alter the topography of all the dental hard tissues. However, composite resin did not appear to either flow into the dentinal tubules or bond to the dentinal surface. The lack of bonding was evidenced by a high frequency of retentive failure. Furthermore, dye penetration studies showed that gross leakage consistently occurred along the gingival margin and under the body of the restoration.
It was therefore concluded that the restoration of cervical erosions with currently available acid etch-composite resin systems cannot be recommended at this time.
Description
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Thesis (M.Sc.D.)--Boston University, School of Graduate Dentistry, 1977. (Endodontics)
Includes bibliography.
Thesis (M.Sc.D.)--Boston University, School of Graduate Dentistry, 1977. (Endodontics)
Includes bibliography.
License
This work is protected by copyright. Downloading is restricted to the BU community. If you are the author of this work and would like to make it publicly available, please contact open-help@bu.edu.