A randomized clinical evaluation of a one- and two-step self-etch adhesive over 24 months.
OBJECTIVE
To evaluate the performance of All Bond SE used in a one- or two-step protocol in a 24-month randomized clinical study.


METHODS
Thirty-three patients with two similarly sized non-carious cervical lesions participated in this study. A total of 66 restorations were placed, half using the one-step All Bond SE protocol (SE-1) and the other half using the two-step All Bond SE protocol (SE-2). The restorations were evaluated at baseline and after 6, 12 and 24 months following the modified USPHS criteria and analyzed by the McNemar's test and Fisher's exact test (alpha = 0.05).


RESULTS
After 24 months, six SE-1 and four SE-2 restorations were rated as Bravo in marginal discoloration The retention rates for SE-1 and SE-2 were 84.8% and 90.9%, respectively, after 24 months. Compared to baseline, the retention rate for SE-1 was statistically lower.


CONCLUSIONS
All Bond SE used in the one- or two-step protocol resulted in high retention rates after 24 months.
School of Dentistry, Department of Restorative Dentistry, University Estadual de Ponta Grossa, Ponta Grossa, Paraná, Brazil. aloguercio@hotmail.com
Alessandro D
AD
Loguercio
Diego
D
Mânica
Franciele
F
Ferneda
Christiana
C
Zander-Grande
Roberto
R
Amaral
Rodrigo
R
Stanislawczuk
Ricardo Marins
RM
de Carvalho
Adriana
A
Manso
Alessandra
A
Reis
D000134:Acid Etching, Dental / Q000379:methods; D000328:Adult; D003116:Color; D003188:Composite Resins / Q000737:chemistry*; D001840:Dental Bonding; D003731:Dental Caries / Q000209:etiology; D018772:Dental Marginal Adaptation; D003764:Dental Materials / Q000737:chemistry; D019232:Dental Restoration Failure; D003793:Dental Restoration, Permanent / Q000379:methods*; D003807:Dentin Sensitivity / Q000209:etiology; D017220:Dentin-Bonding Agents / Q000737:chemistry*; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008689:Methacrylates / Q000737:chemistry*; D008875:Middle Aged; D011446:Prospective Studies; D019279:Resin Cements / Q000737:chemistry; D013499:Surface Properties; D019237:Tooth Cervix / Q000473:pathology; D057085:Tooth Wear / Q000628:therapy; D055815:Young Adult
C485363:Aelite LS; C074864:All-Bond system; C438313:Clearfil SE Bond; D003188:Composite Resins; D003764:Dental Materials; D017220:Dentin-Bonding Agents; D008689:Methacrylates; D019279:Resin Cements