A 12-year clinical evaluation of a three-step dentin adhesive in noncarious cervical lesions.
BACKGROUND
The authors conducted a study to evaluate the clinical performance of a dual-cured, three-step dentin adhesive (OptiBond Dual Cure, Kerr, a subsidiary of Sybron Dental Specialties, Orange, Calif.; no longer on the market) at 12 years.


METHODS
The authors restored 100 noncarious cervical lesions without use of macromechanical retention or enamel bevels. In one-half of the lesions (group A), the authors etched only the enamel; in the other half (group B), they etched both enamel and dentin. After etching, they applied a light-cured primer and dual-cured adhesive to enamel and dentin in both groups. They restored the preparations with a resin-based composite. They performed direct evaluations by using modified U.S. Public Health Service criteria at insertion (baseline) and at one year and 12 years after insertion.


RESULTS
The 12-year retention rates were 93 percent in group A and 84 percent in group B, for an overall retention rate of 89 percent. Except for marginal discoloration in both groups and retention in group B, the restorations in both groups had Alfa ratings of 88 percent or greater in all of the direct clinical evaluation categories.


CONCLUSIONS
The 12-year clinical performance, including retention rate, of a dual-cured dental adhesive was excellent and was not affected by dentin acid-etching.


CONCLUSIONS
This clinical study provides additional evidence for the long-term durability of a three-step etch-and-rinse adhesive in non-carious cervical lesions.
Department of Operative Dentistry, School of Dentistry, University of North Carolina, 439 Brauer Hall, Chapel Hill, N.C. 27599-7450, USA. aldridge_wilder@dentistry.unc.edu
Aldridge D
AD
Wilder
Edward J
EJ
Swift
Harald O
HO
Heymann
André V
AV
Ritter
John R
JR
Sturdevant
Stephen C
SC
Bayne
D000134:Acid Etching, Dental / Q000379:methods; D000328:Adult; D000368:Aged; D017438:Bisphenol A-Glycidyl Methacrylate / Q000737:chemistry*; D003116:Color; D003188:Composite Resins / Q000737:chemistry; D001840:Dental Bonding; D003743:Dental Enamel / Q000473:pathology; D018772:Dental Marginal Adaptation; D003764:Dental Materials / Q000737:chemistry; D003775:Dental Polishing; D003793:Dental Restoration, Permanent / Q000379:methods*; D003804:Dentin / Q000473:pathology; D017220:Dentin-Bonding Agents / Q000737:chemistry*; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D019279:Resin Cements / Q000737:chemistry*; D013499:Surface Properties; D014072:Tooth Abrasion / Q000628:therapy; D019237:Tooth Cervix / Q000473:pathology*; D014076:Tooth Diseases / Q000628:therapy*; D014077:Tooth Erosion / Q000628:therapy; D019246:Tooth Preparation / Q000379:methods; D055815:Young Adult
D003188:Composite Resins; D003764:Dental Materials; D017220:Dentin-Bonding Agents; C088316:Optibond Dual Cure; D019279:Resin Cements; C065770:Herculite XR; D017438:Bisphenol A-Glycidyl Methacrylate