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Home / Journal of Nanoscience and Nanotechnology, Volume 19, Number 4

Evaluation of Cure Depth and Geometrical Overgrowth Depending on Zirconia Volume Fraction Using Digital Light Processing

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The optical properties of zirconia photopolymer suspension for DLP (Digital Light Processing) were evaluated. The light source and intensity were set to 395 nm and 30 mW/cm2. Experimental groups were divided into 48, 50, 52, 54, 56 and 58 vol% according to the zirconia volume fraction. The cure depth of all groups was at least 47.35 um when cured for 1 sec, which was higher than layer parameter values of the 3D printer. The geometrical overgrowth showed 28.55% at 48 vol% and 36.94% at 58 vol%. As the volume fraction of zirconia increased, the geometrical overgrowth increased and the cure depth reduced.

Keywords: Additive Manufacturing; Ceramic 3D Print; Photopolymer Suspension; Zirconia

Document Type: Research Article

Affiliations: 1: Department of Prosthodontics, School of Dentistry, Chonnam National University, Gwangju 500-757, Korea 2: Resources Information System Foundation for Advanced Biomaterials, School of Dentistry, Chonnam National University, Gwangju 500-757, Korea 3: Department of Automotive and Mechanical Engineering, Nambu University, Gwangju, 62271, Korea 4: Biomedical Material and Component Service Center, Gwangju Technology Park, Gwangju 62253, Republic of Korea

Publication date: 01 April 2019

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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