Comparison of Teeth Displacement between Direct and Indirect CAD-CAM Manufactured Maxillary Dentures | ||
| Alexandria Dental Journal | ||
| Articles in Press, Corrected Proof, Available Online from 05 April 2025 PDF (413.55 K) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/adjalexu.2024.339209.1559 | ||
| Authors | ||
| Rowan Sallam* 1; Nayrouz A Metwally2; Mohamed Moataz Khamis3 | ||
| 1Instructor at the Department of Prosthodontics, Faculty of Dentistry, Alexandria University. | ||
| 2Chompollion Street, Azarita, Alexandria, Egypt | ||
| 3Professor of Prosthodontics, Faculty of Dentistry, Alexandria University. | ||
| Abstract | ||
| Introduction: The fabrication of complete dentures by using computer-aided design and computer-aided manufacturing (CAD/CAM) methods has been widely reported in both clinical and laboratory practices. Two CAD/CAM techniques, a computerized numeric control subtractive milling process and an additive manufacturing process, are available to fabricate CAD/CAM complete dentures. However, conventional pack and press technique is still commonly employed due to the lower laboratory costs as well as the adequate mechanical properties. Therefore, a combined technique that utilizes additive manufacturing and conventional pack and press technique was investigated and compared to additive manufactured maxillary complete dentures. Objectives: The purpose of this invitro study is to compare the accuracy of denture teeth displacement in dentures fabricated using the additive manufacturing method to dentures fabricated with combined conventional-3D printing method. Methodology: 20 dentures were fabricated using additive manufacturing technique and combined conventional-3D printing method. Denture teeth displacement was evaluated by comparing pre and post processing STL files using surface mapping software. Result: Data was collected, tabulated and statistically analyzed by using IBM Statistical Package for Social Science (SPSS) software version 22.0. The combined conventional-3D printing method provided a median deviation of (-0.107) and the additive manufacturing technique provided a median deviation of (-0.228) Conclusion: The conventional-3D printing technique yielded smaller values of teeth displacement as compared to the additive manufacturing technique. | ||
| Keywords | ||
| 3D printing; Additive Manufacturing; Complete dentures; CAD-CAM | ||
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