نتایج جستجو برای: dental environmental stress

تعداد نتایج: 942472  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1390

in current study, 63 samples of bat populations collected from differ regions were used for evaluating the geographic variations. twenty cranial and dental characters for traditional morphometric and landmarks method on the ventral, dorsal skull and mandible for geometry morphometric studies were used. statistical analyses of traditional morphometric and geometry morphometric data indicated low...

Journal: :Proceedings of the Nutrition Society 1959

editor editor,

The editorial office of the Journal of Islamic Dental Association of Iran has recently determined that an original article entitled “Stress Distribution in Three-Implant- Retained Mandibular Overdentures Using Finite Element Analysis” authored by Ahmadzadeh A, Golmohammadi F, Mousavi N, Epakchi S. published in thewinter 2015 issue of the Journal of Islamic Dental Association of Iran [Journal of...

2015
Sunil Goyal

Contributors: 1Post-graduate Student, Department of Oral Medicine & Maxillofacial Radiology, Guru Nanak Dev Dental College & Research Institute, Sunam, Punjab, India; 2Professor and Head, Department of Oral Medicine & Maxillofacial Radiology, Guru Nanak Dev Dental College & Research Institute, Sunam, Punjab, India; 3Reader, Department of Oral Medicine & Maxillofacial Radiology, Guru Nanak Dev D...

Journal: :Pediatric dentistry 1992
E A O'Sullivan S A Williams M E Curzon

This research studied an association between dental caries prevalence in the primary dentition and cribra orbitale, an indicator of nutritional stress in archeological populations. Skeletal remains of 221 British children (Pre-Roman to Late Medieval) were examined, of whom 100 had orbital material available. Dental caries, as dmfs, was related to the presence of cribra orbitale (none, slight, m...

طباطبائی نیا, سیده سعدانه, فرهادی, مونا, پریور, کاظم,

Nowadays, with the applications of titanium dioxide nanoparticles (TiO2-NPs) in pharmacy, food industry, cosmetics, toothpaste and sunscreens, pregnant women are exposed to nanoparticles. Since tooth development is vuln-erable to environmental impacts and mandibular first molar bud develops before maxillary first molar bud, in this ex-perimental study the effects of TiO2-NPs on the development ...

Journal: :Oral surgery, oral medicine, and oral pathology 1974
H Schilder A Goodman W Aldrich

Sample wafers of compounded dental gutta-percha and uncompounded dental-grade gutta-percha were compression tested to 20,000 pounds in uniaxial and triaxial systerns. Unrestrained flow in the uniaxial series prevented development of stress levels sufficient to produce molecular compression. Negligible molecular compression did occur in the triaxial series but only above a stress level of approx...

Journal: :Journal of dental education 2003
Carrie A Piazza-Waggoner Lindsey L Cohen Kavita Kohli Brandie K Taylor

Research has demonstrated that dental students experience considerable stress during their training. Students' anxiety is likely to be especially high when they perform their first pediatric restorative procedure. The aims of this study were to provide a description of dental students' level of anxiety and typical coping strategies and to evaluate the use of a distress management intervention f...

Journal: :Quality and Reliability Engineering International 1998

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