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2022年4月6日，由荷兰阿姆斯特丹大学医学中心（Amsterdam University Medical Center, AUMC）外科和北京友谊医院普外分中心联合组织发起的COLOR III（中低位直肠癌经肛TME对比腹腔镜TME手术，taTME vs. LapTME）国际多中心RCT（随机对照试验）研究者线上会议顺利举行。作为2018年加入COLOR III多中心RCT研究的高水平研究中心之...
Color Differences between Artificial and Natural Teeth in Removable Partial Denture Wearers
Removable partial denture Tooth color selection Artificial tooth
2010/12/1
The purpose of this study was to investigate differences between natural tooth color and that selected for artificial teeth in partial dentures at our department with a view to establishing criteria f...
Effects of different food colorants and polishing techniques on color stability of provisional prosthetic materials
Color stability Provisional prostheses Food colorants
2010/11/26
The main objective was to investigate the effects of different polishing techniques on the color stability of provisional prosthetic materials upon exposure to different staining agents by mimicking t...
Color Image Enhancement by Forward-and-Backward Adaptive Beltrami Flow
Color Image Enhancement Forward-and-Backward Adaptive Beltrami Flow inverse diffusion
2010/1/7
The Beltrami diffusion-type process, reformulated for the purpose of image processing, is generalized to an adaptive forward-andbackward process and applied in localized image features’ enhancement an...
Color Image Enhancement by Forward-and-Backward Adaptive Beltrami Flow
Color Image Enhancement Forward-and-Backward Adaptive Beltrami Flow inverse diffusion
2010/1/7
The Beltrami diffusion-type process, reformulated for the purpose of image processing, is generalized to an adaptive forward-andbackward process and applied in localized image features’ enhancement an...
A new method of ultrasound color flow mapping
Doppler processing Autocorrelation Ultrasound simulation
2010/1/6
Conventional ultrasound color flow mapping systems estimate and visualize only the axial velocity component. To obtain thetransverse velocity component a modification of a multiple-beam method is prop...
Evaluation of solid breast lesions with color doppler sonography and power doppler imaging
Color doppler songraphy Power doppler imaging
2010/1/6
Background: The purpose of our study was to assess the potential of color Doppler (CD) and Power Doppler Imaging (PDI) to differentiate benign from malignant solid breast masses. Materials and Methods...
ASSESSMENT OF ENDOMETRIAL-SUBENDOMETRIAL BLOOD FLOW DETECTED BY COLOR DOPPLER SONOGRAPHY AND UTERINE RECEPTIVITY IN INFERTILE WOMEN
Uterine blood flow
2009/12/18
ndometrial vasculature has been shown to play an important role in the early endometrial response to the implanting blastocyst, and vascular changes may contribute to uterine receptivity. The aim of t...
Comparing the three color pounehh tooth paste with the conventional one in preventing the formation of the microbial plaque
Microbial plaque formation Toothpaste Prevention
2009/12/17
Background and Aim: Plaque control has always been important in preventive dentistry. Various methods and materials have been introduced for this purpose. Recently a three-colored tooth paste has been...
Color stability evaluation of aesthetic restorative materials
Composite resins Dental porcelain Pigmentation Esthetics,dental
2009/10/16
Color match is one of the most important characteristics of aesthetic restorative materials. Maintenance of color throughout the functional lifetime of restorations is important for the durability of ...
Color stability after accelerated aging of two silicones, pigmented or not,for use in facial prostheses
Maxillofacial prosthesis Silicone elastomers Pigmentation
2009/10/16
One of the greatest challenges faced by buccomaxillofacial prosthetists is to reproduce the patient's exact skin color and provide adequate esthetics. To reach this objective, professionals must use m...
The Sensitvity,Specificity,Positive and Negative Predictive Values of Stool Color test,Triangular Cord Sign and Hepatobiliary Scintigraphy in Diagnosis of Infantile Biliary Atresia
Biliary atresia Stool color Triangular cord sign Hepatobiliary scintigraphy Liver biopsy
2015/9/18
Background: It is very important to detect biliary atresia in a timely manner to prevent progressive damage to the liver. Our attempt was to formulate our diagnostic approach to infantile cholestasis ...
Effect of Mica and Glass on Acrylic Teeth Material's Color
Color Spectrophotometer Acrylic denture teeth
2009/9/14
The purpose of this study was to evaluate the effect of two different ratios of silanized mica filler and milled glass fiber reinforcement on the color of acrylic denture teeth materials. Ten acrylic ...
Color Stability of Resin Composites after Immersion in Different Drinks
Color stability Resin composite Drink
2009/9/14
The purpose of this study was to evaluate the discoloration of two nanohybrids, two microhybrids, and a posterior composite resin restorative material upon exposure to different drinks — namely tea, c...
Color Change of Newly Developed Esthetic Restorative Material Immersed in Food-simulating Solutions
Tooth coating material Translucency Chroma
2009/9/14
Recently, an esthetic tooth coating material has been developed. The material consisted of a primer solution, a base coat, and a top coat. The purpose of this study, therefore, was to evaluate the col...