𝔖 Bobbio Scriptorium
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Laser and ultrasound selective preparation of hard dental tissues

✍ Scribed by H. Jelínková; T. Dostálová; M. Němec; P. Koranda; P. Šimůnek; M. Miyagi; Y.-W. Shi; Y. Matsuura

Publisher
John Wiley and Sons
Year
2006
Tongue
English
Weight
438 KB
Volume
3
Category
Article
ISSN
1612-2011

No coin nor oath required. For personal study only.

✦ Synopsis

For the purpose of dentin micro-selective treatment the
thermal ablation and photoablation accomplished by Er:YAG laser
radiation, and preparation of tissue by ultrasonic round ball tip,
and also by the classical dental drilling machine using diamond
round bur, were executed. The laser energy used in the experiment
was 75 mJ, and 40 mJ yielding in the interaction radiation
intensity 97.5 kW/cm^2^ and 130 MW/cm^2^, for laser working in
free-running (FR) and Q-switched mode (Q), respectively. The
lengths of the interacting pulses were 200 μs (FR) and 80 ns
(Q) for these two regimes. Four various cavities prepared by these
methods differs in shape, roughness of inner surface, and by the
smear layer removal.

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