• Dr.Surabhi Halder

With the evolution of CAD/CAM in prosthodontics, the fixed dental prosthesis is no exception. CAD/CAM technologies have emerged at a faster rate in the recent years showing greater success rates compared to other restorations. The present in-vitro study was conducted to comparatively evaluate the flexural strength of CAD/CAM milled PMMA resin and rapid prototype 3-D printed resin for long term provisional restorations. CAD/CAM milled PMMA resin (group no.1, n=10) and Rapid prototype 3-D printed resin (group no.2, n=10) were fabricated and grouped based on the type of material.All the twenty samples (group no.1, n=10) and (group no.2, n=10) were subjected to 3-point bend test using a universal testing machine at a cross head speed of 1.0 mm/min until fracture.The flexural strength values were obtained in megapascals. The values obtained from test samples were tabulated and statistically analysed using student t-test. CAD/CAM milled restorations showed greater flexural strength when compared to 3-D printed resin restorations and hence CAD/CAM restorations are preferred for long span provisional fixed prosthesis.

Fixed, CAD/CAM, PMMAresin, flexuralstrength, milled restorations, 3-D printed resin,provisional,universal testing machine,prosthodontics.

"Evaluation of Flexural Strength of CAD/CAM Fixed Restoration", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.12, Issue 5, page no.g133-g140, May-2025, Available :http://www.jetir.org/papers/JETIR2505714.pdf

"Evaluation of Flexural Strength of CAD/CAM Fixed Restoration", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.12, Issue 5, page no. ppg133-g140, May-2025, Available at : http://www.jetir.org/papers/JETIR2505714.pdf