R.T.D. - RECHERCHES TECHNIQUES DENTAIRES
R.T.D. - RECHERCHES TECHNIQUES DENTAIRES Patent applications | ||
Patent application number | Title | Published |
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20080280263 | TRANSPARENT AND RADIO-OPAQUE RETENTION PIN - A dental retention pin made of composite material includes a core consisting of fibers embedded in a resin matrix. The fibers, which have a refractive index (n), are radio-opaque, and the refractive index (n′) of the resin forming the matrix has a value close to that of the fibers. | 11-13-2008 |