Study on Interactions of Continuous Low Power CO2 Laser with Malaysian Molar Teeth

被引：0

作者：

Ahmad, A. L. ^{[1
]}

Jaafar, M. S. ^{[1
]}

Ramzun, M. R. ^{[1
]}

Bermakai, M. Yahaya ^{[1
]}

Ismail, N. E. ^{[1
]}

Houssien, Hend A. A. ^{[1
]}

机构：

[1] Univ Sains Malaysia, Sch Phys, Med Phys Res Div, George Town 11800, Malaysia

来源：

PROGRESS OF PHYSICS RESEARCH IN MALAYSIA, PERFIK2009 | 2010年 / 1250卷

关键词：

CO(2) laser; teeth; interaction laser and teeth; low power laser;

D O I：

10.1063/1.3469623

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Recent studies have shown that CO(2) lasers can successfully be used at low-energy densities in dentistry. The CO(2) laser is effective for a dental hard tissue since it strongly absorbs light in certain regions of the infrared spectrum because of the carbonate and hydroxyl groups in the structure. In this study, nineteen samples of molars extracted human teeth were irradiated with low power CO(2) laser. Laser power of 3W, 6W, 9W, 12W, 15W and 18W, with exposure time of 5 s and 10 s, and distance between laser aperture and sample of 4cm were used. Laser power above 18W is seen to damage the teeth. The teeth compositions were analyzed using the Fourier Transform Infrared Spectroscopy (FTIR). High laser power caused higher reflectance of the beam because the increased in temperature increasing the rate of chemical reaction, hence, the products after the irradiation This situation can be explained by the Arrhenius equation [1].

引用

页码：157 / 160

页数：4

共 50 条

[21] Calibrated CO2 - Laser power calorimeter
Plass, W
Voss, A
Schmid, N
Giesen, A
LBOC - THIRD INTERNATIONAL WORKSHOP ON LASER BEAM AND OPTICS CHARACTERIZATION, 1996, 2870 : 298 - 303
[22] SIMPLE CO2 LASER POWER METER
JACOBS, SD
APPLIED OPTICS, 1971, 10 (11): : 2564 - &
[23] Spatial power distribution of a high power CO2 laser beam -: experimental study
Rabczuk, G
Jendrzejewski, R
Kukiello, P
Zaremba, R
Sliwinski, G
SECOND GR-I INTERNATIONAL CONFERENCE ON NEW LASER TECHNOLOGIES AND APPLICATIONS, 1998, 3423 : 160 - 164
[24] HIGH-POWER CO2 LASER
不详
ELECTRONICS AND POWER, 1969, 15 (MAR): : 102 - &
[25] Clinical and Histological Study on Direct Pulp Capping With CO2 Laser Irradiation in Human Teeth
Suzuki, M.
Kato, C.
Kawashima, S.
Shinkai, K.
OPERATIVE DENTISTRY, 2019, 44 (04) : 336 - 347
[26] CONTINUOUS PASSIVE MODE LOCKING OF A CO2 LASER
MCCOY, JH
APPLIED PHYSICS LETTERS, 1969, 15 (11) : 353 - &
[27] Low cost and low power CO2 sensor
Gürtner, M
Schneider, F
IMTC 2002: PROCEEDINGS OF THE 19TH IEEE INSTRUMENTATION AND MEASUREMENT TECHNOLOGY CONFERENCE, VOLS 1 & 2, 2002, : 1387 - 1392
[28] Influence of laser power on the preparation of single-walled carbon nanotubes using CO2 continuous laser
Zhang, Hai-Yan
Wu, Chun-Yan
Zhang, Jian
Ding, Yu
Chen, Yi-Ming
Yi, Shuang-Ping
He, Yan-Yang
Zhu, Yan-Juan
Zhongguo Jiguang/Chinese Journal of Lasers, 2004, 31 (02): : 241 - 244
[29] LOW VOLTAGE CO2 LASER EXCITATION
SEDGWICK, G
SEGUIN, H
APPLIED OPTICS, 1970, 9 (12) : 2737 - +
[30] CO2 laser physics and tissue interactions in skin
Fulton, JE
Shitabata, PK
LASERS IN SURGERY AND MEDICINE, 1999, 24 (02) : 113 - 121

← 1 2 3 4 5 →