Effect of no ferrule on failure of teeth restored with bonded posts and cores.
This study investigated how the absence of a ferrule affected the failure load of teeth that had been restored with bonded fiber posts and resin cores. There was a significant difference (p < 0.001) between the ferrule and nonferrule groups' load to failure. For the ferrule group, root fracture was the predominant mode of failure; in the nonferrule group, debonding failures were predominant.
Ng
Clarisse C
CC
Department of General Dentistry, Texas A&M University System Health Science Center, Baylor College of Dentistry, Dallas, USA.
al-Bayat
Manal I
MI
Dumbrigue
Herman B
HB
Griggs
Jason A
JA
Wakefield
Charles W
CW
D000134:Acid Etching, Dental; D003188:Composite Resins / Q000737:chemistry; D001840:Dental Bonding; D017267:Dental Prosthesis Design; D019232:Dental Restoration Failure; D017220:Dentin-Bonding Agents / Q000737:chemistry; D006801:Humans; D011176:Post and Core Technique / Q000295:instrumentation*; D012390:Root Canal Therapy; D013314:Stress, Mechanical; D013499:Surface Properties; D013997:Time Factors; D014082:Tooth Fractures / Q000503:physiopathology; D014092:Tooth Root / Q000293:injuries; D019553:Tooth, Nonvital / Q000534:rehabilitation
D003188:Composite Resins; D017220:Dentin-Bonding Agents