Influence of the laser radiation with the wavelength 2.7 um onto the hard and soft tissues of the mouth cavity

Balin, Victor N.; Gook, Alexey S.; Кошелев, В. Н.; Kropotov, Sergey P.; Kusovkova, Tatyana A.; Maday, Dimitry Yu.; Serebryakov, V. A.; Фролов, С. В.

doi:10.1117/12.183181

SPIE Proceedings

1994

DOI: 10.1117/12.183181

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Influence of the laser radiation with the wavelength 2.7 um onto the hard and soft tissues of the mouth cavity

Victor N. Balin

Alexey S. Gook

В. Н. Кошелев

et al.

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1995

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“…So we had the possibility to observe the production of the thermal field in the tooth bulk during the laser beam action onto its surface. This results to a large extent coincide with our previous results [1]. According to [4,5,6} such a heating does not result in pulp necrosis.…”

supporting

confidence: 94%

“…These results were discussed in our previous paper [1], containing the large bibliography. It was fmd out that this laser emission is sufficiently efficiently absorbed in the tooth tissues and makes it possible to prepare caries surfaces without charring, melting and cracking of the enamel and dentin.…”

supporting

confidence: 57%

“…According to the preliminary studies [1], under the aforesaid action the heating of the tooth does not exceed 8°C. The measurement were carried out with the help of therrno-couple, mounted inside the layer of the alternating depth, cut off the tooth.…”

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Erbium laser with the wavelength 2.69 μm in the odontopreparation

et al. 1995

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SThe biological action of the laser radiation with the wavelength 2.69 tm onto the hard dental tissues and pulp was studied. Modes of laser action, preserving the pulp viability after the odontopreparation of the caries with the various rate, were revealed and chuiically evaluated.One of the basic problems of the therapeutical dentistry always was to realize fast and painless processing of hard dental tissues. Dentist patient's pain is nearly always caused by the pressure, vibration and heating, produced by the manipulations during the teeth preparation with the help of dental drill. Numerous approaches to such a drill creation were studied and evaluated, but even the most progressive high-speed and turbo dental drills does not completely exclude the pain syndrome.Application for these purposes of lasers created, seemingly, the possibility of successful solution of these problems. purposes. However, for a long period of time all the attempts of investigators, working in this direction were unsuccessful, because the experiments, using the lasers, emitting the radiation in the various ranges of spectrum (first of all, emitting such such a wavelengths as 0.69, 1.06, 2.09 or 10.6 .tm) and implementing various modes of action, caused various negative processes during the dental tissues processing, which often has resulted in tooth damage and pulp necrosis.Only recently, after the development of erbium lasers, emitting the radiation with the wavelength 2.94 m (near to one of the main absorption line ofwater), the prospects for such lasers application in clinical practice were established.Dentistry setups, based on this laser, provide rather efficient extraction of the damaged pails of the tooth without damage for the surrounding tissues; tooth heating in this case reveals quite local character.However, radiation with the wavelength in the range nearby 3 .tm can not be transmitted via the flexible optical fiber waveguide -the most convenient mean of radiation transportation. Hence, such a setups have significant disadvantage: radiation transportation to the surgery field is made via the bendable waveguide, flexibility of which is limited.This disadvantage may be eliminated by the use for odontopreparation purposes of the radiation with the wavelength 2.69 tm. One the one hand, this wavelength is close to 2.94 .tm, on the other hand, such a radiation may be (with some losses, indeed) transmitted via the fused silica fiber, providing thus the possibility to make the setup, supplied by the flexible fiber waveguide, enlarging the range of possibilities for the dentist during the treatment.These results were discussed in our previous paper [1], containing the large bibliography. It was fmd out that this laser emission is sufficiently efficiently absorbed in the tooth tissues and makes it possible to prepare caries surfaces without charring, melting and cracking of the enamel and dentin.Here we present the results of further study, devoted to the biological action of the radiation with the wavelength 2.69 tm onto the ...

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Erbium laser with the wavelength 2.69 μm in the odontopreparation

et al. 1995

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Influence of the laser radiation with the wavelength 2.7 um onto the hard and soft tissues of the mouth cavity

Cited by 1 publication

References 0 publications

Erbium laser with the wavelength 2.69 μm in the odontopreparation

Erbium laser with the wavelength 2.69 μm in the odontopreparation

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