Resistencia a la fractura de coronas dentales fabricadas análogamente vs tecnología cad-cam : Estudio In vitro

Salvador  Insignares Ordoñez; Antonio  Díaz Caballero; Yureinys   Beleño Quintero; Salin  Insignares Buelvas

doi:10.22490/24629448.5296

Vol. 19 No. 36 (2021)

Published

2021-09-20

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Fracture resistance of analogally made dental crowns vs cad-cam technology

DOI: https://doi.org/10.22490/24629448.5296

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Research Article (before OJS)

Salvador Insignares Ordoñez

Antonio Díaz Caballero Universidad Javeriana

Yureinys Beleño Quintero Universidad de Cartagena

Salin Insignares Buelvas Universidad de Cartagena

Background. The fracture resistance of the crowns may have an influence on their appearance, according to the method of making them, either analogously or by means of Cad-Cam technology. Objective. To compare the resistance to the fracture of the individual crowns made by two manufacturing methods, under computer-aided design and computerized manufacturing (CAD-CAM) and injected. Methods. In vitro study. Sample size 20 crowns in two groups: 10 crowns using CAD-CAM technology and 10 crowns injected. Crowns were subjected to compressive loads in a universal testing machine, with a speed of 1mm / min and a cell load of 5kN until obtaining the maximum bill for these. Data were statistically analyzed using the Shapiro Wilk tests, Mann Whitney p = 0.05. Results. Crowns manufactured by Cad-Cam obtained a minimum of 602.5 Newton and a maximum of 1093 Newton, while the crowns manufactured analogously obtained a minimum of 525.2 Newton and a maximum of 1773 Newton in the experiment with the machine Universal test to achieve their fracture. A significant difference was obtained in the invoice resistance test between both manufacturing methods (p <0.001). Conclusion. Pressed Lithium Disilicate crowns obtained higher fracture resistance than crowns under design and manufacturing by computer (CAD-CAM).

laboratorio, (mesh database), dental crown, flexural strength, dentistry, tooth preparation, prosthodontic, laboratories, dental

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Insignares Ordoñez, S., Díaz Caballero, A. ., Beleño Quintero, Y. ., & Insignares Buelvas, S. . (2021). Fracture resistance of analogally made dental crowns vs cad-cam technology: In vitro study. NOVA Biomedical Sciences Journal, 19(36), 133-142. https://doi.org/10.22490/24629448.5296

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