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|Title:||Comparative clinical evaluation of the immediate and late analgesic effect of GaAlAs diode Lasers of 830 nm and 660 nm in treatment of dentine pain - Preliminary results|
Mangabeira-Albernaz, Pedro Luiz [UNIFESP]
Universidade Federal de São Paulo (UNIFESP)
|Publisher:||Spie-int Soc Optical Engineering|
|Citation:||Lasers in Dentistry Viii. Bellingham: Spie-int Soc Optical Engineering, v. 4610, p. 178-182, 2002.|
|Abstract:||In this comparative clinical study, we aimed at evaluating the immediate and late analgesic effect of GaAlAs diode lasers of 660 nm and 830 nm in treatment of dentine pain.We used GaAlAs diode lasers of 660 nm and 830 nm with 35 mW, continuous wave emission, spot size 1 mm(2) and a dosage of 4 joules/cm(2) applied to the cervical dentine surface. in total 4 treatment sessions were performed at intervals of 7 days in a period of 4 consecutive weeks.A total of 40 teeth treated were divided into two groups comprising 20 teeth each: one group irradiated with a 660 run wavelength laser, and the other one with a 830 nm wavelength laser.By means of a quantitative visual analogue scale (V.A.S.), we measured the sensitive responses to cold stimulus pretreatment, and at a follow-up period of 15 and 30 minutes post-treatment in both groups in order to evaluate the immediate analgesic effect. the late effect was evaluated at a follow-up period of 15 and 30 days.Using the GaAlAs diode laser of 660 nm wavelength resulted in better levels of dentine desensitization, at both inmediate and late analgesic effect analysis compared with the use of the GaAlAs diode laser of 830 run wavelength.|
|Appears in Collections:||Em verificação - Geral|
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