Sandra Moncada Ortega
Finis Terrae University, ChilePresentation Title:
The Dental diaphanization, a comparative study
Abstract
Introduction: Dental diaphonization is an anatomical technique whose objective is to make visible the internal morphology of the dental root canal system by applying processes of decalcification, dehydration, transparency, ink injection, fixation and storage, providing a clear and threedimensional view of the internal root anatomy. Several methods are described; Robertson, Sherwani and OkumuraAprile, among others, which use decalcifying agents (formic acid, hydrochloric acid, sodium citrate), dehydrating agents (ethyl alcohol) and transparent agents (methyl salicylate, xylene).
Objective: A comparative/qualitative analysis of three dental diaphonization techniques is presented.
Material and method: 60 human permanent teeth were used. Calculus and organic tissues were removed. Access cavities were made at coronal level with a 0.10 round diamond bur. The teeth were placed in a 5% sodium hypochlorite solution for 24 h to remove organic tissue from the pulp chamber and root canals and then rinsed with running water. They were divided into 3 groups (20 teeth) and subjected to 3 different methods: Robertson, Sherwani and Okumura-Aprile. They were analyzed qualitatively: transparency, time, complexity of technique, amount of supplies.
Results: Transparency variable: OkumuraAprile < Sherwani < Robertson; time: Sherwani (92 h) Robertson > Okumura-Aprile; quantity of supplies: Robertson
Discussion: The literature reports that Robertson is a technique of medium complexity with good results in transparency; Sherwany has greater complexity; Okumura-Aprile was simple, but when the teeth were immersed, the ink soaked into the irregularities of the root surface, making it difficult to observe the internal morphology. Conclusion: Dental diaphonization is a lowcost technique to make transparent and study the internal morphology of dental root canals. Robertson was the most efficient technique for dental diaphanization.
Biography
Sandra Moncada, DDM, Mg(c), graduated from Finis Terrae University, Santiago de Chile. Research Advisor at the Center for Studies and Innovation in Dentistry, Faculty of Dentistry, Finis Terrae University and assistant professor in the subject undergraduate thesis in dentistry at the same institution. Diploma in University Pedagogy in Health Sciences, Finis Terrae University. Diploma in Research in Health Sciences, Pontifical Catholic University of Chile. Master(c) in University Teaching. Faculty of Medicine, Finis Terrae University. Certified in Collaborative Institutional Training Initiative (CITI), with a mention in Human Subjects Research. Head of Dental Service Licantén Hospital, Maule, Chile.
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