Influence of drying time and temperature on bond strength of contemporary adhesives to dentine.
J Dent
; 37(4): 315-20, 2009 Apr.
Article
en En
| MEDLINE
| ID: mdl-19203818
ABSTRACT
OBJECTIVES:
To evaluate the bond strength (microTBS) of self-etching adhesives in different solvent evaporation conditions.METHODS:
Flat dentine surfaces from extracted human third molars were bonded with (1) 2 two-steps self-etching adhesives (Clearfil SE Bond-CSEB); (Protect Bond-PB) and (2) 2 one-step self-etch systems (Adper Prompt L Pop-ADPLP); (Xeno III-XIII). Bonded dentine surfaces were air-dried for 5s, 20s, 30s or 40s at either 21 degrees C or 38 degrees C. Composite build-ups were constructed incrementally. After storage in water for 24h at 37 degrees C, the specimens were prepared for microtensile bond strength testing. Data were analyzed by two-way ANOVA and Student-Newman-Keuls at alpha=0.05.RESULTS:
CSEB and PB performed better at warm temperature with only 20s of air-blowing. The bond strength increased when XIII was performed at warm temperature at 40s air-blowing. Extended air-blowing not affect the performance of ADPLP, except at 30s air-blowing time at warm temperature.CONCLUSIONS:
The use of a warm air-dry stream seems to be a clinical tool to improve the bond strength to self-etching adhesives.
Texto completo:
1
Colección:
01-internacional
Banco de datos:
MEDLINE
Asunto principal:
Grabado Ácido Dental
/
Recubrimiento Dental Adhesivo
/
Recubrimientos Dentinarios
/
Dentina
Límite:
Humans
Idioma:
En
Revista:
J Dent
Año:
2009
Tipo del documento:
Article
País de afiliación:
Brasil