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Feasibility Study of Utilizing a Portable Spectrophotometer to Assess the Radiation Dose Delivered to the Radiochromic Film

Kwon O, Son J, Park JM, Choi CH, Kim Ji, Jung S

  • KMID: 2510073
  • Prog Med Phys.
  • 2020 Sep;31(S1):S29.
Purpose: This study aims to show the feasibility of portable spectrophotometers to assess the doses delivered to the radiochromic film and to compare the results with those by the flatbed...
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Color stability of provisional restorative materials with different fabrication methods

Song SY, Shin YH, Lee JY, Shin SW

PURPOSE The aim of this study was to investigate and compare the color stability of provisional restorative materials fabricated by 3D printing, dental milling, and conventional materials. MATERIALS AND METHODS For the...
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Color stability of three dimensional-printed denture teeth exposed to various colorants

Koh ES, Cha HS, Kim TH, Ahn JS, Lee JH

PURPOSE: This study evaluated color stability of Dentca 3D-printed denture teeth, in comparison to color stabilities of four conventional types of denture teeth, upon being immersed in various colorants. MATERIALS AND...
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Colorimetric Analysis of Preformed Zirconia Anterior Crowns for Esthetic Restoration

Lee C, Park K, Yang Y, Lee D, Kim J

The purpose of this study was to identify which combination of zirconia crowns and cements is most similar in color to the maxillary primary incisors by varying the color of...
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Color Distribution Analysis of Maxillary Primary Central Incisors using a Spectrophotometer

Yi S, Jang J, Lee D, Yang Y, Kim J

The objective of this study was to analyze the color distribution of the maxillary primary central incisors and the relationship between the color of each tooth region by dividing tooth...
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Discoloration of teeth due to different intracanal medicaments

Afkhami F, Elahy S, Nahavandi , Kharazifard MJ, Sooratgar

OBJECTIVES: The objective of this study was to assess coronal discoloration induced by the following intracanal medicaments: calcium hydroxide (CH), a mixture of CH paste and chlorhexidine gel (CH/CHX), and...
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Proposal for a gingival shade guide based on in vivo spectrophotometric measurements

Gomez Polo C, Montero J, Martin Casado AM

PURPOSE: The purpose of this study was to propose and assess a shade guide for pink gingival aesthetics using a Spanish population sample. MATERIALS AND METHODS: The L*, C*, h, a*...
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Effects of different surface finishing procedures on the change in surface roughness and color of a polymer infiltrated ceramic network material

Özarslan , Buyukkaplan US, Barutcigil C, Arslan M, Turker N, Barutcigil K

PURPOSE: Polymer infiltrated ceramic network (PICN) materials, also called hybrid ceramics, are new materials in dental market. The manufacturer of the PICN material VITA Enamic suggests 3 different finishing procedures...
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Spectrophotometic analysis of the influence of substrate on the color of dental ceramics

Song YG

PURPOSE: The purpose of this study was to spectrophotometrically evaluate the influence of porcelain layer thickness and substructure. MATERIALS AND METHODS: Four groups of porcelain specimens (metal and ceramic substructure) was...
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Evaluation of the color reproducibility of all-ceramic restorations fabricated by the digital veneering method

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

PURPOSE: The objective of this study was to evaluate the clinical acceptability of all-ceramic crowns fabricated by the digital veneering method vis-a-vis the traditional method. MATERIALS AND METHODS: Zirconia specimens manufactures...
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Spectrophotometric Measurement of Minimal Erythema Dose Sites after Narrowband Ultraviolet B Phototesting: Clinical Implication of Spetrophotometric Values in Phototherapy

Jeon SY, Lee CY, Song KH, Kim KH

BACKGROUND: The spectrophotometer is well known to be a useful tool for estimating the objective minimal erythema dose (MED) during planning of phototherapy protocol. However, only a few spectrophotometric values...
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Comparison of the translucency of shaded zirconia all-ceramic systems

Kurtulmus-Yilmaz S, Ulusoy M

PURPOSE: The purpose of this study was to evaluate and compare the translucency of shaded zirconia all-ceramic systems. MATERIALS AND METHODS: Translucency of 3 different zirconia all-ceramic systems colored by different...
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Colorimetric comparison of single layered dental composite with double layered dental composite

Song YS, Kim JH, Lee BN, Jang JH, Chang HS, Hwang YC, Oh WM, Hwang IN

  • KMID: 2316811
  • Restor Dent Endod.
  • 2012 May;37(2):84-89.
OBJECTIVES: This study analyzed the difference in color caused by different thickness in enamel layer of composite resins when applied with single and layering placement technique, and evaluated if the...
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Understanding of the color in composite resin

Park JW

In clinic, esthetic restoration of a defective natural tooth with composite resin is challenging procedure and needs complete understanding of the color of tooth itself and materials used. The optical...
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The Optimal Wavelength of Spectrophotometric Broth Microdilution Antifungal Susceptibility Test for Flucytosine and Three Azoles

Lee JY, Lee EJ, Kim SH, Jeong HS, Oh SH, Kim HR, Lee JN, Chang CL, Kho WG, Shin JH

BACKGROUND: There is no guideline for the appropriate wavelength at which to measure the optical density (OD) value in broth microdilution antifungal susceptibility testing, although a spectrophotometric reading method is...
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Comparison on accuracy of porcelain color reproducibility using two colorimeters

Lee TI, Ahn JS, Kim YS, Shin SW

  • KMID: 2321768
  • J Korean Acad Prosthodont.
  • 2009 Jul;47(3):348-355.
STATEMENT OF PROBLEM: Although the use of colorimeter to improve the accuracy of tooth color measurement has increased, it is real situation that there is almost no comparative study about...
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The effect of fluoridation on discoloring of bleached teeth

Jang HA, Suh KW, Ryu JJ

  • KMID: 2321757
  • J Korean Acad Prosthodont.
  • 2009 Jul;47(3):257-265.
STATEMENT OF PROBLEM & PURPOSE: To study the effect of different fluoridation methods after in-office bleaching on the color of teeth during severe staining with coffee. MATERIAL AND METHODS: 44...
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Comparative Study of the Gross Interpretation of Phototesting and Objective Measurement with Using a Spectrophotometer for Patients with Psoriasis and Vitiligo Treated with Narrow-band UVB

Choi KW, Kim KH, Kim YH

BACKGROUND:Determination of the minimal erythema dose (MED) is important for developing a phototherapy protocol and to diagnosis photosensitivity disorders. But obtaining a precise and reproducible MED is quite difficult because...
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Color difference of the dental composites measured by different color measuring instruments

Park SJ, Noh EY, Cho HG, Hwang YC, Oh WM, Hwang IN

The objective of this study was to evaluate the effect of color measuring instrument by measuring the color of dental composite resins. Nine shade light cured composite resin disks were prepared...
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Effect of the bleaching light on whitening efficacy

Park JH, Shin HJ, Park DY, Park SH, Kim JW, Cho KM

The aim of this study was to evaluate the influence of light energy on the tooth whitening effect of bleaching agent in vitro. Extracted human mandibular molars were sectioned to...
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