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Review
. 2003 Sep;91(1):1-6.
doi: 10.1007/s10266-003-0026-x.

Factors affecting in vitro bond strength of bonding agents to human dentin

John M Powers  1 , Kathy L O'Keefe, Lilliam M Pinzon
Affiliations
Review

Factors affecting in vitro bond strength of bonding agents to human dentin

John M Powers et al. Odontology. 2003 Sep.

Abstract

Four generations of total-etch (fourth, fifth) and self-etching (sixth, seventh) bonding agents for use with resin composites are commercially available in the United States. Innovations in bonding agents include: filled systems, release of fluoride and other agents, unit dose, self-cured catalyst, option of etching with either phosphoric acid or self-etching primer, and pH indicators. Factors that can affect in vitro bond strength to human dentin include substrate (superficial dentin, deep dentin; permanent versus primary teeth; artificial carious dentin), phosphoric acid versus acidic primers, preparation by air abrasion and laser, moisture, contaminants, desensitizing agents, astringents, and self-cured restorative materials. This article reviews studies conducted at the Houston Biomaterials Research Center from 1993 to 2003. Results show that in vitro bond strengths can be reduced by more than 50% when bonding conditions are not ideal.

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Figures

Figure 1
Figure 1
E-SEM (1000x magnification magnification) of a representative specimen with P&BNT under control condition with etch technique. A) Adhesive, B) Resin Tags, C) Dentin
Figure 2
Figure 2
E-SEM (1000x magnification magnification) of a representative specimen with SEB under control condition with etch technique. A) Adhesive, B) Resin Tag, C) Dentin
Figure 3
Figure 3
E-SEM (1000x magnification and magnification) of a representative specimen with SBP under S with mucin condition with etch technique. A) Adhesive, B) Resin Tag, C) Dentin
Figure 4
Figure 4
E-SEM (1000x magnification magnification) of a representative specimen with SEB under S with mucin condition with etch technique. A) Adhesive, B) Resin Tag, C) Dentin
Figure 5
Figure 5
E-SEM (1000x magnification magnification) of a representative specimen with SBP under SA without mucin condition with etch technique. A) Adhesive, B) Resin Tag, C) Dentin
Figure 6
Figure 6
E-SEM (1000x magnification magnification) of a representative specimen with S3 under SA with mucin condition with etch technique. A) Composite, B) Adhesive Resin, C) Dentin
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