Affiliation:
1. Pontifical Catholic University of Paraná
2. Pontifical Catholic University of Rio Grande do Sul
Abstract
The purpose of this study was to analyze the gray levels, expressed in pixels, of the mandibular retromolar region, with regard to the influence of muscular and fat soft tissues near this region. Fifteen dry mandibles were X-rayed with the presence of soft tissue simulators. The radiographs were digitized and evaluated by Digora® software. A one cm thick layer of wax was used as a simulator of the muscular soft tissue. Animal fat samples of different thicknesses - 0.5, 1.0, 1.5 and 2.0 cm - were used as a simulator of the fat soft tissue. Results showed that the fat soft tissue simulator influenced the gray level values in pixels of the mandibular retromolar region when analyzed in different thicknesses using the Digora® digitized image software.
Subject
Electrical and Electronic Engineering,Atomic and Molecular Physics, and Optics
Reference22 articles.
1. A comparative study of some materials used as substitutes for soft tissue, in reference to the absorption of X-rays and scattering of secondary radiation;Alvares LC;Estomatol Cult,1969
2. Digitisation and display of intra-oral films;Attaelmanan A;Dentomaxillofac Radiol,2000
3. Optic evaluation of bone density in the retromolar region through digitized images: study in "post-mortem" mandibles;Barros FJBC;Odontociência,2001
4. Associations of fat and muscle masses with bone mineral in elderly men and women;Baumgartner RN;Am J Clin Nutr,1996
5. Bone mass and risk factors for bone loss in perimenopausal Danish women;Brot C;J Intern Med,1997
Cited by
10 articles.
订阅此论文施引文献
订阅此论文施引文献，注册后可以免费订阅5篇论文的施引文献，订阅后可以查看论文全部施引文献