Assessment of the trueness and tissue surface adaptation of CAD-CAM maxillary denture bases manufactured using digital light processing

The Journal of Prosthetic Dentistry
Hyun-Ji HwangHyung-In Yoon

Abstract

Limited information is available evaluating the trueness and tissue surface adaptation of computer-aided design and computer-aided manufacturing (CAD-CAM) maxillary denture bases fabricated using digital light processing (DLP). The purpose of this in vitro study was to evaluate the trueness of DLP-fabricated denture bases and to compare the tissue surface adaptation of DLP with milling (MIL) and pack and press (PAP). The maxillary denture bases were virtually designed on the reference cast and were fabricated using DLP and MIL. Their intaglio surfaces were scanned and superimposed on the reference computer-aided design denture base to evaluate the trueness. A total of 20 denture bases (10 per technique) were also fabricated on the duplicated master casts using DLP and MIL. Ten denture bases were additionally made using PAP. The intaglio surfaces of the dentures were scanned and superimposed on the corresponding casts to compare the degree of tissue surface adaptation among the 3 techniques. The Mann-Whitney test and Kruskal-Wallis ANOVA were used for statistical analyses (α=.05). The trueness of the DLP denture base was significantly better than that of the MIL denture base (P<.001). Statistically significant differences were d...Continue Reading

Citations

Aug 4, 2020·Journal of Prosthodontics : Official Journal of the American College of Prosthodontists·José BecerraJean-François Nguyen
Nov 16, 2020·Journal of the Mechanical Behavior of Biomedical Materials·Christian WesemannStefano Pieralli
Mar 3, 2020·The Journal of Prosthetic Dentistry·Can WangJun-Hua Wu
Jan 29, 2021·Journal of Prosthodontic Research·Atsushi TakaichiNoriyuki Wakabayashi
Jan 9, 2021·Journal of Prosthodontics : Official Journal of the American College of Prosthodontists·Ece İrem OğuzKaan Orhan
Jan 13, 2021·Journal of Prosthodontics : Official Journal of the American College of Prosthodontists·Tae Hyung KimCheryl J Park
May 14, 2021·Journal of Prosthodontic Research·Kazuki YoshidomeChikahiro Ohkubo
May 15, 2021·Journal of Prosthodontics : Official Journal of the American College of Prosthodontists·Stephen A Wagner, Robert Kreyer
Apr 28, 2021·Journal of Dentistry·Christopher HerpelFranz Sebastian Schwindling
Aug 28, 2020·Journal of Prosthodontics : Official Journal of the American College of Prosthodontists·Nadim Z BabaStephen Wagner
Jun 13, 2021·The Journal of Prosthetic Dentistry·Lucio Lo RussoCarlo Ercoli
May 29, 2021·Journal of Prosthodontics : Official Journal of the American College of Prosthodontists·Amal AlfarajWei-Shao Lin
Aug 2, 2021·The Journal of Prosthetic Dentistry·Ana Paula Chappuis ChocanoVinicius Carvalho Porto
Dec 9, 2020·The Journal of Prosthetic Dentistry·Víctor Henarejos-DomingoÁlvaro Blasi

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