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Influence of polishing systems on roughness and color change of two dental ceramics

Maciel LC, Silva CF, de Jesus R, Concílio , Kano SC, Xible AA

PURPOSE: To evaluate the polishing effect on roughness and color change of pressed and layering ceramics after immersion in coffee solution. MATERIALS AND METHODS: 88 ceramic discs (1.0 mm × 10.0...
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Evaluation of the color stability of light cured composite resins according to the resin matrices

Yu DH, Jung HJ, Choi SH, Hwang IN

The purpose of this study was to evaluate the color stability of light cured composite resins according to the resin matrices. Three kinds of resin matrices such as Bis-GMA (Venus®...
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Physical characteristics of ceramic/glass-polymer based CAD/CAM materials: Effect of finishing and polishing techniques

Ekici MA, Egilmez F, Cekic-Nagas I, Ergun G

PURPOSE: The aim of this study was to compare the effect of different finishing and polishing techniques on water absorption, water solubility, and microhardness of ceramic or glass-polymer based computer-aided...
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Effects of different surface finishing protocols for zirconia on surface roughness and bacterial biofilm formation

Lee DH, Mai HN, Thant PP, Hong SH, Kim J, Jeong SM, Lee KW

PURPOSE: Surface finishing of a zirconia restoration is essential after clinical adjustment. Herein, we investigated the effects of a surface finishing protocol for monolithic zirconia on final roughness and bacterial...
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The effects of surface grinding and polishing on the phase transformation and flexural strength of zirconia

Lee JY, Jang GW, Park II, Heo YR, Son MK

PURPOSE: The purpose of this in vitro study was to evaluate the effect of surface grinding and polishing procedures using high speed zirconia diamond burs with different grit sizes on...
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Effect of glazing on the flexural strength of lithium disilicate glass ceramics

Sim JH, Lee JB, Hwang SS

The purpose of this study was to investigate the relationship between glazing treatment and flexural strength of dental lithium disilicate glass ceramics. Three commercial lithium disilicate glass ceramic blocks were...
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Robotic Microsurgery Training for Robot Assisted Reconstructive Surgery

Hong JW, Shin D, Lee DW, Lee WJ

PURPOSE: Recent advances in robotic surgery have affected not only surgery for visceral organs but also head and neck cancer surgery and microsurgery. The authors intended to analyze and share...
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Effects of Diamond Burr in Patients with Recurrent Corneal Erosion

Kim HJ, Koh JW

PURPOSE: The purpose of this study is to evaluate the recurrence rate and treatment effect of conservative treatment and surgical treatment with diamond burr in reccurent corneal erosion. METHODS: Between January...
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Effect of Surface Roughness on the Mechanical Properties of Ceramic-Polymer Blocks for CAD/CAM Dental Restoration

Lee CY, Son SK, Ko YM

The effect of surface roughness of ceramic-polymer CAD/CAM blocks on the mechanical properties was investigated in this study. Commercially available Polyglass (Vericom, Korea) and Enamic (Vita, Germany) were selected for...
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What is the changing frequency of diamond burs?

Emir F, Ayyildiz S, Sahin C

PURPOSE: The purpose of this study was to determine the changing frequency of a diamond bur after multiple usages on 3 different surfaces. MATERIALS AND METHODS: Human premolar teeth (N =...
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A Literature Review of Research on Medical Service Design in Korea

Jang KS, Chung KH, Kim YH

PURPOSE: Purpose of this study was to analyze research on the service design process applied to domestic medical service areas. METHODS: A review was made through domestic databases including RISS, KISS,...
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CartoMerge using SoundStar Catheter and Time Force Integral-Based Ablation for Atrial Fibrillation

Inoue K

Catheter ablation for atrial fibrillation is based on pulmonary vein (PV) isolation, but this procedure is thought to be demanding. The visualization of 3-dimensional information that is provided by CartoMerge®...
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Effect of dentin surface roughness on the shear bond strength of resin bonded restorations

Koodaryan , Hafezeqoran A, Poursoltan S

PURPOSE: This study aimed to investigate whether dentin surface preparation with diamond rotary instruments of different grit sizes affects the shear bond strength of resin-bonded restorations. MATERIALS AND METHODS: The buccal...
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Loosening torque of Universal Abutment screws after cyclic loading: influence of tightening technique and screw coating

Bacchi A, Regalin A, Bhering CL, Alessandretti R, Spazzin AO

PURPOSE: The purpose of this study was to evaluate the influence of tightening technique and the screw coating on the loosening torque of screws used for Universal Abutment fixation after...
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Transcranial Direct Middle Meningeal Artery Puncture for the Onyx Embolization of Dural Arteriovenous Fistula Involving the Superior Sagittal Sinus

Oh JS, Yoon SM, Shim JJ, Bae HG

A 66-year-old woman presented with intermittent paraparesis and generalized tonic-clonic seizure. Cerebral angiography demonstrated dural arteriovenous fistula (AVF) involving superior sagittal sinus (SSS), which was associated with SSS occlusion on...
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Current insights into inherited bone marrow failure syndromes

Chung NG, Kim M

  • KMID: 2353160
  • Korean J Pediatr.
  • 2014 Aug;57(8):337-344.
Inherited bone marrow failure syndrome (IBMFS) encompasses a heterogeneous and complex group of genetic disorders characterized by physical malformations, insufficient blood cell production, and increased risk of malignancies. They often...
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Ribosomal protein mutations in Korean patients with Diamond-Blackfan anemia

Chae H, Park J, Lee S, Kim M, Kim Y, Lee JW, Chung NG, Cho B, Jeong DC, Kim J, Kim JR, Park G

Diamond-Blackfan anemia (DBA) is a congenital bone marrow failure syndrome characterized by hypoproliferative anemia, associated physical malformations and a predisposition to cancer. DBA has been associated with mutations and deletions...
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The Output Factor of Small Field in Multileaf Collimator of 6 MV Photon Beams

Lee HJ, Choi TJ, Oh YK, Jeun KS, Lee YH, Kim JH, Kim OB, Oh SA, Kim SK, Yea JW

The IMRT is proper implement to get high dose deliver to tumor as its shape and selective approach in radiation therapy. Since the IMRT is performed as modulated the radiation...
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Feasibility Study of the microDiamond Detector for Measurement of Small Field Photon Beam

Lee CY, Kim WC, Kim HJ, Ji YH, Kim KB, Lee SH, Min CK, Jo GH, Shin DO, Kim SH, Huh HD

The dosimetry of very small fields is challenging for several reasons including a lack of lateral electronic equilibrium, large dose gradients, and the size of detector in respect to the...
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Cutting efficiency of apical preparation using ultrasonic tips with microprojections: confocal laser scanning microscopy study

Kwak SW, Moon YM, Yoo YJ, Baek SH, Lee W, Kim HC

OBJECTIVES: The purpose of this study was to compare the cutting efficiency of a newly developed microprojection tip and a diamond-coated tip under two different engine powers. MATERIALS AND METHODS: The...
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