Use of a compact fiber optic spectrometer for spectral feedback during the laser ablation of dental hard tissues and restorative materials

Author(s):  
Joyce Y. Cheng ◽  
Kenneth Fan ◽  
Daniel Fried
Laser Physics ◽  
2011 ◽  
Vol 21 (5) ◽  
pp. 965-971 ◽  
Author(s):  
M. Dutra-Correa ◽  
G. Nicolodelli ◽  
J. R. Rodrigues ◽  
C. Kurachi ◽  
V. S. Bagnato

Author(s):  
Francisco de Assis Rego Filho ◽  
Maristela Dutra-Corrêa ◽  
Gustavo Nicolodelli ◽  
Vanderlei Salvador. Bagnato ◽  
Maria Tereza de Araujo

1997 ◽  
Vol 11 (4) ◽  
pp. 426-432 ◽  
Author(s):  
H. Ngo ◽  
J. Ruben ◽  
J. Arends ◽  
D. White ◽  
G.J. Mount ◽  
...  

In cariology and research involving the interactions between restorative materials and dental hard tissues, it is important for small changes in tooth mineral content to be measurable. Currently, transverse microradiography (TMR) is the most accepted tool for the above purpose. Electron Probe Microanalysis (EPMA) can yield both qualitative identification of elements and quantitative compositional information. The purpose of this study was to compare the mineral distribution in well-defined artificial lesions, in dentin and enamel, by the use of both TMR and EPMA on the same sample. The good correlation between the two sets of data validates EPMA as a technique and helps in the interpretation of its results. The data from TMR analysis are expressed as vol% of mineral, while EPMA gives the levels of Ca and phosphate in wt%. The conversion between the two sets of data is complicated by the fact that local density is, as yet, unknown.


2012 ◽  
Vol 28 (1) ◽  
pp. 215-222 ◽  
Author(s):  
Francisco de Assis M. G. Rego Filho ◽  
Maristela Dutra-Corrêa ◽  
Gustavo Nicolodelli ◽  
Vanderlei S. Bagnato ◽  
Maria Tereza de Araujo

2011 ◽  
Vol 53 (4) ◽  
pp. 348-355
Author(s):  
Thakare Eesha ◽  
Chaudhary Minal ◽  
Gawande Madhuri ◽  
Wadhwan Vijay ◽  
Gadbail Amol

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