Effect of Nd:YAG laser irradiation on the hardness and elastic modulus of human dentin

Journal of Clinical Laser Medicine and Surgery

Volumn 21, Issue 1, 2003, Pages 41-46

  Lee, Bor Shiunn ^a   Lin, Chun Pin ^a   Lin, Feng Huei ^a   Li, Uei Ming ^b   Lan, Wan Hong ^a  

^a NATIONAL TAIWAN UNIVERSITY   (Taiwan)

^b CARDINAL TIEN HOSPITAL   (Taiwan)

Author keywords

[No Author keywords available]

Indexed keywords

ELASTIC MODULI; IRRADIATION; LASER SURGERY; MICROHARDNESS; OPTICAL FIBERS; SCANNING ELECTRON MICROSCOPY; TISSUE; VICKERS HARDNESS TESTING;

LASER IRRADIATION;

NEODYMIUM LASERS;

ARTICLE; CONTROLLED STUDY; DENTIN; ENAMEL; HARDNESS; HUMAN; HUMAN TISSUE; LASER; MOLAR TOOTH; NEODYMIUM LASER; PHASE TRANSITION; PHOTOCHEMICAL EFFICIENCY; SCANNING ELECTRON MICROSCOPY; STUDENT T TEST; YOUNG MODULUS;

EID: 0037312836     PISSN: 10445471     EISSN: None     Source Type: Journal    
DOI: 10.1089/10445470360516734     Document Type: Article

References (23)

1. Gutknecht, N., Kaiser, F., Hassan, A., et al. (1996). Long-term clinical evaluation of endodontically treated teeth by Nd:YAG lasers. J. Clin. Laser. Med. Surg. 14, 7-11.
2. Lan, W.H., and Liu, H.C. (1996). Treatment of dentin hypersensitivity by Nd:YAG laser. J. Clin. Laser. Med. Surg. 14, 89-92.
3. Levy, G.C., and Koubi, G.F. (1993). An experimental technique to repair cracked teeth using calcium phosphate, melted by a laser beam: an in vitro evaluation. Compend. Confin. Educ. Dent. 11, 1444-1452.
4. 2 laser. Biomaterials 22(5), 489-496.
5. 2 laser. J. Mater. Sci. Mater. M 11, 1-9.
6. Lin, C.P., Lee, B.S., Lin, F.H., et al. (2001). Phase, compositional, and morphological changes of human dentin after Nd:YAG laser treatment. J. Endodon. 27(6), 389-393.
7. Lawn, B.R., and Marshall, D.B. (1979). Hardness, toughness, and brittleness: an indentation analysis. J. Am. Ceram. Soc. 62, 347-350.
8. Lobene, R.R., and Fine, S. (1966). Interaction of laser radiation with oral hard tissues. J. Prosthet. Dent. 16(3), 589-597.
9. Brune, D. (1980). Interaction of pulsed carbon dioxide laser beams with teeth in vitro. Scand. J. Dent. Res. 88, 301-305.
10. Aoki, A., Ishikawa, I., Yamada, T., et al. (1998). Comparison between Er:YAG laser and conventional technique for root caries treatment in vitro. J. Dent. Res. 77(6), 1404-1414.
11. Jennett, E., Motamedi, M., Rastegar, S., et al. (1994). Dye-enhanced ablation of enamel by pulsed lasers. J. Dent. Res. 73(12), 1841-1847.
12. Willems, G., Celis, J.P., Lambrechts, P., et al. (1993). Hardness and Young's modulus determined by nanoindentation technique of filler particles of dental restorative materials compared with human enamel. J. Biomed. Mater. Res. 27, 747-755.
13. Ryge, G., Foley, D.E., and Fairhurst, C.W. (1961). Microindentation hardness. J. Dent. Res. 40, 1116-1126.
14. Oliver, W.C. (1992). An improved technique for determining hardness and elastic modulus using load and displacement sensing indentation experiments. J. Mater. Res. 7, 1564-1583.
15. Loubet, J.L., Georges, J.M., Marchesini, J.M., et al. (1984). Vickers indentation curves of magnesium oxide (MgO). J. Tribology. 106, 43-48.
16. Doerner, M.F., and Nix, W.D. (1986). A method for interpreting the data from depth-sensing indentation instruments. J. Mater. Res. 1(4), 601-609.
17. Newey, D., Wilkins, A., and Pollock, H.M. (1982). An ultra-low-load penetration hardness tester. Phys. E. Sci. Instrum. 15, 119-122.
18. Loubet, J.L., Georges, J.M., and Meille, G. (1986). Vickers indentation curves of elastoplastic materials, in: Microindentation techniques in materials science and engineering. ASTM STP 889. P.J. Blau and B.R. Lawn (eds.). Philadelphia: American Society for Testing and Materials, pp. 72-89.
19. Wigdor, H., Abt, E., Ashrafi, S., et al. (1993). The effect of lasers on dental hard tissues. J. Am. Dent. Assoc. 124(2), 65-70.
20. Lin, C.P., and Douglas, W.H. (1994). Structure-property relations and crack resistance at the bovine dentin-enamel junction. J. Dent. Res. 73(5), 1072-1078.
21. Seghi, R.R., and Denry, I. (1992). Effects of external bleaching on indentation and abrasion characteristics of human enamel in vitro. J. Dent. Res. 71(6), 1340-1344.
22. Hals, E. (1990). Column-like structures following the course of tubules in human dentin. Scand. J. Dent. Res. 98(5), 380-386.
23. Craig, R.G., and Powers, J.M. (2002). Mechanical properties, in: Restorative dental materials. St. Louis: Mosby, pp. 78,105.