Publications by authors named "Daniela Kok"
The aim of the study was to assess the penetrability of two endodontic sealers (AH Plus and MTA Fillapex) into dentinal tubules, submitted to endodontic treatment and subsequently to endodontic retreatment. Thirty ex vivo incisors were prepared using ProTaper rotary system up to F3 instrument and divided in three groups according to the endodontic sealer used for root canal filling: AH Plus (AHP), MTA Fillapex (MTAF), and control group (CG) without using EDTA previously to the root canal filling. Rhodamine B dye (red) was incorporated to the sealers in order to provide the fluorescence which will enable confocal laser scanning microscopy (CLSM) assessment.
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- The study assessed how well an endodontic sealer penetrates dentin tubules and maintains its perimeter integrity using confocal laser scanning microscopy (CLSM).
- It involved 45 mandibular premolars filled with an epoxy-resin sealer mixed with a dye and categorized into three different filling techniques: single master cone, cold lateral compaction, and Thermafil.
- Results showed no significant differences in dentin impregnation or sealer perimeter integrity across techniques, but there was a notable difference in the apical sealer areas, with Thermafil showing the smallest area compared to the other methods.