Advantages of CAD/CAM versus Conventional Complete Dentures - A Review
BACKGROUND: The introduction and evolution of CAD/CAM technology into complete dentures fabrication brought high expectations in improving disadvantages associated with conventional methods.
AIM: The purpose of this review was to analyse the existing literature on computer-engineered complete dentures and to determine their advantages over the conventional dentures.
MATERIAL AND METHODS: An electronic search of the English literature from January 1994 to March 2018 was performed in PubMed/MEDLINE, using the following keywords: CAD/CAM complete dentures, computer-engineered complete dentures, complete digital dentures, complete milled dentures, and rapid prototyping dentures.
RESULTS: A total of 179 English language titles were obtained from the database, and 14 were relevant to fulfil the purpose of this review. A review of 7 articles is summarized in 2 tables for presenting a comparison between CAD/CAM and conventional dentures in clinical and laboratory studies.
CONCLUSION: Following the review of articles that discussed the comparison between CAD/CAM and conventional complete dentures in clinical studies, it can be concluded that the main advantages of CAD/CAM dentures are the reduced clinical chair time and the number of visits, digital archiving, significantly higher retention, and more favorable clinical and patient-centered outcomes. As a result of the review of laboratory studies, superior mechanical and physical properties in CAD/CAM dentures were revealed, concerning enhanced accuracy of fit of milled denture bases, less denture tooth movement and increased toughness, ultimate flexural strength, and higher elastic modulus.
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Maeda Y, Minoura M, Tsutsumi S, Okada M, Nokubi T. A CAD/CAM system for the removable denture. Part I: Fabrication of complete dentures. Int J Prosthodont. 1994; 7:17-21. PMid:8179777
Kattadiyil MT, Goodacre CJ, Baba NZ. CAD/CAM complete dentures: a review of two commercial fabrication systems. J Calif Dent Assoc. 2013; 41:407-16. PMid:23875432
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Bilgin M, Baytaroglu E, Erdem A, Dilber, E. A review of computer-aided design/computer-aided manufacture techniques for removable denture fabrication. Eur J Dent. 2016; 10:286â€“291. https://doi.org/10.4103/1305-7456.178304 PMid:27095912 PMCid:PMC4813451
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Saponaro PC, Yilmaz B, Heshmati RH, McGlumphy EA. Clinical performance of CAD-CAM-fabricated complete dentures: a cross-sectional study. J Prosthet Dent. 2016; 116:431-435. https://doi.org/10.1016/j.prosdent.2016.03.017 PMid:27160780
Saponaro PC, Yilmaz B, Johnston W, Heshmati RH, McGlumphy EA. Evaluation of patient experience and satisfaction with CAD-CAM-fabricated complete denture: a retrospective survey study. J Prosthet Dent. 2016; 116:524-528. https://doi.org/10.1016/j.prosdent.2016.01.034 PMid:27402416
Schwindling FS, Stober T. A comparison of two digital techniques for the fabrication of complete removable dental prostheses: A pilot clinical study. J Prosthet Dent. 2016; 116:756-763. https://doi.org/10.1016/j.prosdent.2016.03.022 PMid:27236597
AlHelal A, AlRumaih HS, Kattadiyil MT, Baba NZ, Goodacre CJ. Comparison of retention between maxillary milled and conventional denture bases: a clinical study. J Prosthet Dent. 2016; 117(2):233â€“8. https://doi.org/10.1016/j.prosdent.2016.08.007 PMid:27765399
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