نتایج جستجو برای: dental cast
تعداد نتایج: 185831 فیلتر نتایج به سال:
AIM To determine the possible correlation between otitis media and dental malocclusion in children. METHODS Fifty subjects (26 males and 24 females; mean age: 7.8 +/- 1 years) were assessed: 25 patients, with otitis media formed the study group, while 25 healthy subjects formed the control group. An otolaryngological examination and dental cast measurements were performed in order to evaluate...
AIM The aim of this study was to evaluate the status of occlusal surfaces of first permanent molars in 6- to 8-year-old children using the Caries Assessment Spectrum and Treatment (CAST) index and to assess how it correlates with DMF in the surveyed population. MATERIALS AND METHODS A total of 1931 occlusal surfaces of first permanent molars in 6-8-year-old children from Bialystok District, P...
The core finishing of cast posts-and-cores after luting is routine in dental practice. However, the effects of the vibrations produced by the rotary cutting instruments over the luting cements are not well-documented. This study evaluated the influence of the time intervals that elapsed between the cementation and the core-finishing procedures on the tensile strength of cast posts-and-cores lut...
Our purpose was to determine in 20 unilateral cleft lip and alveolus subjects characteristics of the maxillary permanent teeth and maxillary arch development. Clinical and radiographic examinations have been carried out to identify congenitally missing teeth and sagittal skeletal patterns. Study cast assessment was undertaken to evaluate mesiodistal widths of individual teeth, intercanine and i...
Worldwide publicity of the amalgam controversy has intensified the growing concerns on its utilization and safety. This controversy has grown beyond the confines of the dental profession itself and has become an emotional public health issue. Amalgam has been the material of choice for restoring posterior teeth for more than 100 years. Presently, there has been a shift toward resin composite an...
Relatively little is known about the microstructure of cobalt-base alloys in dentistry. Manufacturers of dental cobalt-base alloys have published very little on this subject. No research has been conducted on the microstructure of the cobalt-base alloys used in dentistry. The need for research in this field is recognized, however, by both the manufacturers of the alloys and researchers in the d...
The purpose of this pilot investigation was to measure the co-efficient of friction of a cast cobaltchromium alloy specimen and three materials commonly found on the guiding surfaces of the teeth. The static .co-efficients of friction between dental cobalt-chromium alloy (before and after electropolishing) and tooth enamel, composite resin, and dental amalgam alloy were measured using an inclin...
Background: Many educators have developed an interest in emerging new concept called entertainment education (edutainment). Edutainment is a kind of tool that, this age technology, can be easily incorporated into education. Objectives: This study aimed to use edutainment for teaching orthodontic lateral cephalometric and dental cast analysis as well evaluate the students’ attitudes towards it. ...
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