Mathematical Models for Dental Materials Research by Alex Fok & Hooi Pin Chew

Author:Alex Fok & Hooi Pin Chew
Language: eng
Format: epub
ISBN: 9783030378493
Publisher: Springer International Publishing

The attenuation coefficient given by the analytical solution (k = 0.59) is also similar to the value of 0.58 given by the numerical solution above. As shown in Fig. 4.5, the numerical predictions with k = 0.59 approach the experimental data as the number of divisions increases.

Fig. 4.5Convergence of numerical results with increasing number of divisions (n); k = 0.59

4.5 Specular Reflection

The above discussion neglected the loss of irradiance through specular reflection. As the curing light hits the free surfaces of a resin composite, during either its entering into or exiting from the material, a significant portion of it gets reflected back.

Let r be the portion of curing light that is reflected off from a free surface, so 1 − r is the portion of light transmitted through that free surface. The irradiance of light that first enters the resin composite is thus

Download

Copyright Disclaimer:
This site does not store any files on its server. We only index and link to content provided by other sites. Please contact the content providers to delete copyright contents if any and email us, we'll remove relevant links or contents immediately.