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Development of instruments for the standardization of volume and shape of direct composite resin increments and clinical case report
Abstract
Objective: The objective of this work was to develop a prototype of clinical instruments that allows the standardization of the volume and shape of the composite resin mass for use in direct restorative procedures, besides a case report demonstrating the applicability of the prototype. For this, a company was selected to produce dental instruments and active in the national market with ANVISA registration. Based on a Holemback number 6 presser foot, it was geometrically reconfigured to meet the requirements for the intended design. After the development stage, this new instrument was used to report a clinical case of direct restoration of composite resin involving enamel and dentin of the occlusal-distal surfaces of the tooth 15 and occlusal of the tooth 16. The dental tissues were hybridized by the adhesive technique associated with the selective conditioning of the enamel with phosphoric acid and the application of auto-conditioning adhesive system (Clearfil SE Bond, Kuraray, Japan) in enamel and dentin. The restoration was performed with the composite resin Z350 XT (3M ESPE, USA) in colors A1 and A2B. Conclusion: The use of the prototype of auxiliary instruments in the execution of direct restorations of composite resin with the favoring to control the tensions generated by the polymerization contraction and may play an important role in the restorative training of professionals.
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DOI: https://doi.org/10.18256/2238-510X.2020.v9i1.3326
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