نتایج جستجو برای: first molar

تعداد نتایج: 1466623  

A Tamadon AD Tamadon D Mehrabani I Razeghian Jahromi2 K Torabi M Dianatpour P Mahdiyar R Robati Sh Zare

Introduction Based on previous researches, dental pulp stem cells (DPSCs) are easily accessible with limited morbidity after collection. Their embryonic origin, from neural crests, explains their multipotency. DPSCs are primarily derived from the pulp tissues of the teeth.Objective: This study was undertaken to isolate, culture, and characterize two different third molar and first premolar hum...

Journal: :journal of dentistry, shiraz university of medical sciences 0
hemant kumar yadav senior resident, dept. of conservative dentistry and endodontics, centre for dental education and research, all india institute of medical sciences, new delhi, india. gaurav kumar saini senior lecturer, dept. of conservative dentistry and endodontics, sardar patel post graduate institute of dental & medical sciences, lucknow, india. harpreet singh chhabra reader, dept. of conservative dentistry and endodontics, sardar patel post graduate institute of dental & medical sciences, lucknow, india. pratyaksha singh panwar dept. of dentistry, government doon medical college, dehradun, uttarakhand, india.

the main objective of this case report is to present a rare root canal configuration of maxillary molar with seven root canals; three mesiobuccal, two palatal and two distobuccal canals diagnosed during treatment procedure confirmed by spiral computed tomography. a thorough knowledge of root canal morphology, proper clinical and radiographic examination, and use of dental operating microscopes ...

Journal: :Pediatric dentistry 1985
D B Kennedy

A fully bonded m~dtiloop wire appliance for the correction of ectopically erupting permanent molars is described. The appliance allows control in the anteroposterior, vertical, and transverse planes. Ectopically erupting first permanent molars are seen in about 3% of the population.~,2 Sixty-six per cent of ectopically erupting maxillary first permanent molars self-correct by jumping over the i...

1998
A. Kołakowska M. S. Pindzola F. Robicheaux D. R. Schultz J. C. Wells

Excitation and charge transfer cross sections for collisions of protons with hydrogen are calculated by direct solution of the time-dependent Schrödinger equation on a three-dimensional Cartesian lattice. The 2s , 2p , 3s , 3p , and 3d excitation cross sections and the 1s , 2s , 2p , 3s , 3p , and 3d charge transfer cross sections from the 1s ground state at 10-, 40-, and 100-keV incident proto...

BACKGROUND AND OBJECTIVE: Premature loss of mandibular first molar is a common problem in adults. Mesial tipping of second molar may occur in this situation. Various orthodontic mechanics have been proposed for molar uprighting. The aim of this study was to compare four methods of molar uprighting using Finite Element Analysis(FEM). METHODS: In first model of this finite element study, a 0.019...

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