نتایج جستجو برای: primary tooth

تعداد نتایج: 708503  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان همدان - دانشکده ادبیات و علوم انسانی 1390

abstract this study is an attempt to determine the effect of nano- technology education on science lesson for fifth grade in primary school in the city of kermanshah. this research is experimental and is conducted in the from of pre-test and post- test for the control group. an achievement test was administered to determine the rate of learning in the students. the research is an applied one. ...

Introduction: Glass ionomer and polycarboxylate cement have different effects on the marginal seal, microleakage, pulp tissue stimulation, and gingival health. The purpose of this study was to assess the effect of these cement on the gingival health of primary molars restored with stainless steel crowns (SSC). Methods: A total number of 34 children were selecte...

2016
Lindsay McLaren Steven Patterson Salima Thawer Peter Faris Deborah McNeil Melissa Potestio Luke Shwart

OBJECTIVES To examine the short-term impact of fluoridation cessation on children's caries experience measured by tooth surfaces. If there is an adverse short-term effect of cessation, it should be apparent when we focus on smooth tooth surfaces, where fluoride is most likely to have an impact for the age group and time frame considered in this study. METHODS We examined data from population-...

Journal: :cell journal 0

objective: tooth loss is a common problem and since current tooth replacement methods cannot counter balance with biological tooth structures, regenerating natural tooth structures has become an ideal goal. a challenging problem in tooth regeneration is to find a proper clinically feasible cell to seed.this study was designed to investigate the odontogenic potential of human bone marrow mesench...

2014
Sreekanth-Kumar Mallineni George-Kurian Panampally Yong Chen Tian Tian

OBJECTIVES The purpose of the present study was to evaluate mandibular talon cusps distribution from the comprehensive literature search and proposal of new classification Material and Methods: The study was a review of articles published in the English language from January 1960 to December 2013. The PubMed/MEDLINE/Google Scholor databases were searched electronically using 'talon cusp', 'dens...

2012
Abu-Hussein Muhamad

The purpose of this study was to evaluate the color of primary teeth, and study how to develop a model shade guide for primary teeth. A concise synopsis on color and the esthetics of primary teeth has been obtainable. Young children and their parents' craving for an esthetically amusing smile were pointed out. Fundamental information on mechanisms of tooth color perception, color notation syste...

Journal: :Hong Kong medical journal = Xianggang yi xue za zhi 2012
Cecilia Young K Y Wong L K Cheung

OBJECTIVES. To investigate the level of knowledge about emergency management of dental trauma among Hong Kong primary and secondary school teachers. DESIGN. Questionnaire survey. SETTING. A teachers' union that unites 90% of teachers in Hong Kong. PARTICIPANTS. Randomly selected primary and secondary school teachers. RESULTS. Only 32.8% of respondents correctly stated that a person sustaining d...

Journal: :journal of dentistry, tehran university of medical sciences 0
behnam bolhari associate professor, dental research center, dentistry research institute, department of endodontics, school of dentistry, tehran university of medical sciences, tehran, iran salma pirmoazen assistant professor, department of endodontics, school of dentistry, tehran university of medical sciences, international campus, tehran, iran ensieh taftian ِdds, department of surgery, school of medicine, tehran university of medical sciences, tehran, iran somayeh dehghan assistant professor, department of endodontics, school of dentistry, alborz university of medical sciences, karaj, iran.

trauma to primary teeth can lead to devastating sequels in development of permanent successors. the disturbance may range from enamel hypoplasia and/or hypo-calcification to arrest of dental bud development. crown dilaceration of permanent teeth is one of the consequences of trauma to deciduous teeth mainly due to intrusion or avulsion. this report presents a mandibular central incisor with dil...

2010
Raghavendra M Shetty Uma Dixit

A dentigerous cyst encloses a crown of an unerupted tooth by its follicle and is attached to the neck of the tooth. They may be of developmental or inflammatory origin. Dentigerous cyst of inflammatory origin occurs in immature tooth as a result of inflammation from preceding non-vital deciduous tooth or from other source spreading to involve the tooth follicle. These are diagnosed in the first...

2011
Michelle R. Bockmann Abbe V. Harris Corinna N. Bennett Ruba Odeh Toby E. Hughes Grant C. Townsend

Findings are presented from a prospective cohort study of timing of primary tooth emergence and timing of oral colonization of Streptococcus mutans (S. mutans) in Australian twins. The paper focuses on differences in colonization timing in genetically identical monozygotic (MZ) twins. Timing of tooth emergence was based on parental report. Colonization timing of S. mutans were established by pl...

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