Theoretical analysis of dental demineralization using photothermal radiometry

被引：0

作者：

Mandelis, A. ^{[1
,2
]}

Matvienko, A. ^{[1
,2
]}

Abrams, S. H. ^{[2
]}

机构：

[1] Univ Toronto, Dept Mech & Ind Engn, Ctr Adv Diffus Wave Technol, 5 Kings Coll RD, Toronto, ON M5S 3G8, Canada

[2] Quantum Dent Technol, Toronto, ON M6B 1L3, Canada

来源：

PHOTONS PLUS ULTRASOUND: IMAGING AND SENSING 2008: THE NINTH CONFERENCE ON BIOMEDICAL THERMOACOUSTICS, OPTOACOUSTICS, AND ACOUSTIC-OPTICS | 2008年 / 6856卷

关键词：

photothermal; biothermophotonic; dental; optical properties; thermal properties;

D O I：

10.1117/12.763695

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

A coupled diffuse-photon-density-wave and thermal-wave theoretical model was developed to describe the biothermophotonic phenomena in a turbid medium under photothermal radiometry experimental conditions. The solution of the radiative transport equation in the limit of the diffuse-photon-density field was considered as a source term in the thermal-wave field equation. The model was used to analyze laser induced photothermal phenomena in a demineralized tooth sample as a function of depth. The analysis is based on a three-layer approach (demineralized enamel + healthy enamel + dentin) and considering the influence of thermal and optical properties of each layer on the resulting optical and thermal field.

引用

页数：9

共 27 条

[1] PULSED PHOTOTHERMAL RADIOMETRY IN TURBID MEDIA - INTERNAL-REFLECTION OF BACKSCATTERED RADIATION STRONGLY INFLUENCES OPTICAL DOSIMETRY [J].

ANDERSON, RR ;

BECK, H ;

BRUGGEMANN, U ;

FARINELLI, W ;

JACQUES, SL ;

PARRISH, JA .

APPLIED OPTICS, 1989, 28 (12) :2256-2261

[2] HEAT CONDUCTION IN NORMAL HUMAN TEETH [J].

BRADEN, M .

ARCHIVES OF ORAL BIOLOGY, 1964, 9 (04) :479-486

[3] THERMAL PROPERTIES OF TEETH [J].

BROWN, WS ;

DEWEY, WA ;

JACOBS, HR .

JOURNAL OF DENTAL RESEARCH, 1970, 49 (04) :752-&

[4]

CASHWELL ED, 1959, MONTE CARLO

[5] NATURE OF LIGHT-SCATTERING IN DENTAL ENAMEL AND DENTIN AT VISIBLE AND NEAR-INFRARED WAVELENGTHS [J].

FRIED, D ;

GLENA, RE ;

FEATHERSTONE, JDB ;

SEKA, W .

APPLIED OPTICS, 1995, 34 (07) :1278-1285

[6] Thermal response of hard dental tissues to 9- through 11-mu m CO2-laser irradiation [J].

Fried, D ;

Seka, W ;

Glena, RE ;

Featherstone, JDB .

OPTICAL ENGINEERING, 1996, 35 (07) :1976-1984

[7] Distribution of the laser radiation intensity in turbid media: Monte Carlo simulations, theoretical analysis, and results of optoacoustic measurements [J].

Grashin, PS ;

Karabutov, AA ;

Oraevsky, AA ;

Pelivanov, IM ;

Podymova, NB ;

Savateeva, EV ;

Solomatin, VS .

QUANTUM ELECTRONICS, 2002, 32 (10) :868-874

[8] DIFFUSION OF LIGHT IN TURBID MATERIAL [J].

ISHIMARU, A .

APPLIED OPTICS, 1989, 28 (12) :2210-2215

[9] SCATTERING AND DIFFUSION OF A BEAM WAVE IN RANDOMLY DISTRIBUTED SCATTERERS [J].

ISHIMARU, A ;

KUGA, Y ;

CHEUNG, RLT ;

SHIMIZU, K .

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA, 1983, 73 (02) :131-136

[10] PULSED PHOTOTHERMAL RADIOMETRY OF PORT-WINE-STAIN LESIONS [J].

JACQUES, SL ;

NELSON, JS ;

WRIGHT, WH ;

MILNER, TE .

APPLIED OPTICS, 1993, 32 (13) :2439-2446

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