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Comparison of marginal and internal discrepancies of zirconia crowns fabricated by various digital scan methods

In HS, Cho HW, Jung JH, Kim JM, Kim YL

In this study, marginal and internal discrepancies of zirconia crowns fabricated with the CAD/CAM (computer aided design - computer aided manufacturing) system were compared. Digital impressions were obtained using model...
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Comparative evaluation of marginal and internal fit of metal copings fabricated by various CAD/CAM methods

Jeong SJ, Cho HW, Jung JH, Kim JM, Kim YL

PURPOSE: The purpose of the present study was to compare the accuracy of four different metal copings fabricated by CAD/CAM technology and to evaluate clinical effectiveness. MATERIALS AND METHODS: Composite resin...
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Comparative Measurement of Biophysical Parameters in Consideration of Skin Graft Donor Site for Nasal Defects

Kim JH, Ahn CH, Kim S, Lee Y, Oh SH

BACKGROUND: In planning a skin graft, the texture, color, and size of the recipient and donor site tissues should be considered. OBJECTIVE: We determined the optimal donor sites for nasal full-thickness...
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Evaluation of marginal and internal gaps in single and three-unit metal frameworks made by micro-stereolithography

Kim DY, Lee HN, Kim JH, Kim HY, Kim WC

PURPOSE: The purpose of this study is to compare single and three-unit metal frameworks that are produced by micro-stereolithography. MATERIALS AND METHODS: Silicone impressions of a selected molar and a premolar...
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In vitro evaluation methods on adaptation of fixed dental prosthesis

Lee H, Lee DH, Lee KB

Clinically, the fit of fixed prosthesis is an essential element for successful restoration. The fit of prosthesis is largely classified into marginal fit and internal fit, and various methods to...
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Evaluation of marginal and internal gaps of Ni-Cr and Co-Cr alloy copings manufactured by microstereolithography

Kim DY, Kim CM, Kim JH, Kim HY, Kim WC

PURPOSE: The purpose of this study was to evaluate the marginal and internal gaps of Ni-Cr and Co-Cr copings, fabricated using the dental µ-SLA system. MATERIALS AND METHODS: Ten study dies...
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Evaluation of the marginal and internal gaps of three different dental prostheses: comparison of the silicone replica technique and three-dimensional superimposition analysis

Park JY, Bae SY, Lee JJ, Kim JH, Kim HY, Kim WC

PURPOSE: The purposes of this study were to evaluate the marginal and internal gaps, and the potential clinical applications of three different methods of dental prostheses fabrication, and to compare...
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Assessment of the fit of zirconia-based prostheses fabricated with two different scan methods

Choi HS, Cho JH

PURPOSE: This research was conducted to compare the marginal and internal fit of zirconia prostheses fabricated with the model scan method and the intraoral scan method. MATERIALS AND METHODS: In this...
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Evaluation of marginal and internal gap of three-unit metal framework according to subtractive manufacturing and additive manufacturing of CAD/CAM systems

Kim DY, Kim EB, Kim HY, Kim JH, Kim WC

PURPOSE: To evaluate the fit of a three-unit metal framework of fixed dental prostheses made by subtractive and additive manufacturing. MATERIALS AND METHODS: One master model of metal was fabricated. Twenty...
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Marginal and internal fit of all ceramic crown using the replica technique and the triple-scan protocol

Shin MS, Lee JH

PURPOSE: This study was conducted to compare the marginal and internal fit of all ceramic crown using the replica technique and the triple-scan protocol. MATERIALS AND METHODS: Twenty zirconia ceramic crowns...
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Verification of a computer-aided replica technique for evaluating prosthesis adaptation using statistical agreement analysis

Mai HN, Lee KE, Lee KB, Jeong SM, Lee SJ, Lee CH, An SY, Lee DH

PURPOSE: The purpose of this study was to evaluate the reliability of computer-aided replica technique (CART) by calculating its agreement with the replica technique (RT), using statistical agreement analysis. MATERIALS AND...
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Study on methodology for the assessment of internal and marginal adaptation on fixed dental prosthesis

Pyo SW, Lee JJ, Han JS, Lim YJ

This article is to review various methods used to investigate internal and marginal adaptation of fixed dental prostheses, and to summarize a merit, worth, and limitation of each method, using...
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Evaluation of marginal and internal gap under model-free monolithic zirconia restoration fabricated by digital intraoral scanner

Lee JW, Park JM

PURPOSE: The aim of this study was to evaluate the marginal and internal adaptation of monolithic zirconia restoration made without physical model by digital intraoral scanner. MATERIALS AND METHODS: A prospective...
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Comparison of the fit accuracy of zirconia-based prostheses generated by two CAD/CAM systems

Ha SJ, Cho JH

PURPOSE: The purposes of this study are to evaluate the internal and marginal adaptation of two widely used CAD/CAM systems and to study the effect of porcelain press veneering process...
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Impact of surface roughness of gypsum materials on adaptation of zirconia cores

Kim KB, Kim JH, Kim SH

PURPOSE: The present study investigated the influences of various gypsum materials on the precision of fit of CAD/CAM-fabricated prostheses and analyzed their correlation with surface roughness. MATERIALS AND METHODS: The master...
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Accuracy evaluation of metal copings fabricated by computer-aided milling and direct metal laser sintering systems

Park JK, Lee WS, Kim HY, Kim WC, Kim JH

PURPOSE: To assess the marginal and internal gaps of the copings fabricated by computer-aided milling and direct metal laser sintering (DMLS) systems in comparison to casting method. MATERIALS AND METHODS: Ten...
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Gap comparison between single crown and three-unit bridge zirconia substructures

Anunmana C, Charoenchitt M, Asvanund C

PURPOSE: To compare marginal and internal gaps of zirconia substructure of single crowns with those of three-unit fixed dental prostheses. MATERIALS AND METHODS: Standardized Co-Cr alloy simulated second premolar and second...
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Evaluation of the marginal and internal gap of metal-ceramic crown fabricated with a selective laser sintering technology: two- and three-dimensional replica techniques

Kim KB, Kim JH, Kim WC, Kim HY, Kim JH

PURPOSE: One of the most important factors in evaluating the quality of fixed dental prostheses (FDPs) is their gap. The purpose of this study was to compare the marginal and...
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Effect of span length on the fit of zirconia framework fabricated using CAD/CAM system

Lee JY, Choi SJ, Kim MS, Kim HY, Kim YS, Shin SW

PURPOSE: The purpose of this study was to evaluate the effect of the span length on the fit of zirconia framework fabricated using CAD/CAM system. MATERIALS AND METHODS: Abutments for single,...
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Marginal and internal fitness of three-unit zirconia cores fabricated using several CAD/CAM systems

Huh JB, Kim U, Kim HY, Kim JE, Lee JY, Kim YS, Jeon YC, Shin SW

  • KMID: 2321785
  • J Korean Acad Prosthodont.
  • 2011 Jul;49(3):236-244.
PURPOSE: This study was aimed to compare the margin and internal fitness of 3-unit zirconia bridge cores fabricated by several CAD/CAM systems using replica technique. MATERIALS AND METHODS: Three unit-bridge models...
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