8 May 2015 Retractions of the gingival margins evaluated by holographic methods
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Abstract
The periodontal disease is one of the most common pathological states of the teeth and gums system. The issue is that its evaluation is a subjective one, i.e. it is based on the skills of the dental medical doctor. As for any clinical condition, a quantitative evaluation and monitoring in time of the retraction of the gingival margins is desired. This phenomenon was evaluated in this study with a holographic method by using a He-Ne laser with a power of 13 mW. The holographic system we have utilized – adapted for dentistry applications - is described. Several patients were considered in a comparative study of their state of health – regarding their oral cavity. The impressions of the maxillary dental arch were taken from a patient during his/her first visit and after a period of six months. The hologram of the first model was superposed on the model cast after the second visit. The retractions of the gingival margins could be thus evaluated three-dimensionally in every point of interest. An evaluation of the retraction has thus been made. Conclusions can thus be drawn for the clinical evaluation of the health of the teeth and gums system of each patient.
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Cosmin Sinescu, Cosmin Sinescu, Meda Lavinia Negrutiu, Meda Lavinia Negrutiu, Marius Manole, Marius Manole, Aldo de Sabata, Aldo de Sabata, Laura-Cristina Rusu, Laura-Cristina Rusu, Stefan Stratul, Stefan Stratul, Diana Dudea, Diana Dudea, Ciprian Dughir, Ciprian Dughir, Virgil-Florin Duma, Virgil-Florin Duma, } "Retractions of the gingival margins evaluated by holographic methods", Proc. SPIE 9508, Holography: Advances and Modern Trends IV, 95080V (8 May 2015); doi: 10.1117/12.2179010; https://doi.org/10.1117/12.2179010
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