Oana-Alexandra Velea, Cosmin Sinescu, Corneliu Zeicu1, Paul Cornel Freiman, Puiu Iulian Velea, Doina Onisei, Virgil-Florin Duma<br>Evaluation of Periodontal Pockets using Different Biomaterials <br>A preliminary study

Oana-Alexandra Velea, Cosmin Sinescu, Corneliu Zeicu1, Paul Cornel Freiman, Puiu Iulian Velea, Doina Onisei, Virgil-Florin Duma
Evaluation of Periodontal Pockets using Different Biomaterials
A preliminary study

Abstract:

A multitude of systems are used for the detection of the periodontal pockets and the alveolisis, including systems with periodontal or thermal probes, densitometric analyses, radiographic periodontal evaluation, and the Cone Beam Computed Tomography (CBCT). The advantages and drawbacks of 7 of these methods are compared first and CBCT is chosen for the investigation proposed. CBCT has become of interest in the periodontology evaluation of the bone density and of the periodontal defects associated with these pathologies. However, the CBCT exam is based mainly on the evaluation of hard tissues; periodontal pockets cannot be visualized using this method on a 3D reconstruction. To overcome this drawback, the present study is testing several biocompatible adjuvant substances, to serve as contrast substances. The periodontal pockets of 5 selected patients have been investigated with the 3D CBCT exam, after having inserted different types of biocompatible materials. Specifically, gold and silver nanoparticles, ZnO, ZrO2, and BaSO4 were used as contrast substances. 2D images and 3D reconstructions of the periodontal pockets were obtained with each of the above substances. The study has proved so far that ZrO2 and BaSO4 are the only contrast substances that can be used successfully due to their radio opacity. However, it is difficult to cover using them the entire depth of the periodontal pocket. Keywords: Cone Beam Computed Tomography (CBCT), periodontal pockets, alveolisis, periodontal probing, contrast substances, gold and silver nanoparticles, zirconia

Issue: 2014, Volume 65, Issue 9

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