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Results for “DENTAL MODELS”

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PubMed1979

A computer program for the analysis of dental models.

This paper presents the details and logic of a Fortran computer program which carries out routine clinical analysis of dental models resulting from impressions of the teeth and related structures, which are subsequently cast in plaster of Paris. The program is primarily intended for use by the orthodontist who is engaged in research or clinical practice, and is useful in studies related to changes in the dentition as a result of orthodontic treatment.

Computers↗
PubMed2001

Testing a degradable topical varnish of cetylpyridinium chloride in an experimental dental biofilm model.

Dental biofilms are highly associated with the development of dental caries. Novel drug delivery systems are being developed in order to eliminate cariogenic bacteria from the dental biofilms. We formulated two degradable sustained release varnishes, based on acrylic resin, with cetylpyridinium chloride (CPC) as the active agent. These formulations were tested in a dental biofilm model. The retention of CPC in the biofilm was dependent upon the pharmaceutical additives of the varnish. Both varnishes decreased bacterial adhesion, while also demonstrating marked antibacterial properties against the bacteria in the biofilm.

Administration, Topical↗
PubMed2003

Contact damage in model dental multilayers: an investigation of the influence of indenter size.

This paper presents a combined experimental and computational study of the influence of indenter ball size on contact damage in model multilayered structures with equivalent elastic properties to bonded dentin/crown structures. Following a brief description of restored tooth structures, prior work on the development of model dental multilayered structures is reviewed. The effects of indentation ball size are investigated within a combined experimental and computational/analytical framework. The observed cracking patterns at the onset of crack nucleation are shown to be associated with principal stress contours computed using finite element analysis. The implications of the results are discussed for the design of dental multilayers that are more resistant to crack nucleation and propagation.

Journal Article↗