نتایج جستجو برای: permanent dentition

تعداد نتایج: 66061  

Journal: :journal of dentistry, tehran university of medical sciences 0
mohammad hossein toodehzaeim shahid sadoughi university of medical sciences alireza haerian shahid sadoughi university of medical sciences ali alesaeidi shahid sadoughi university of medical sciences

objectives: proper diagnosis and prevention of malocclusion are superior to treatment. discrepancy between arch length and tooth size in mixed dentition period is a condition requiring timely diagnosis. estimating the mesiodistal width of unerupted teeth according to the size of erupted ones can lead to earlier diagnosis of malocclusion. on the other hand, the best timing for serial extractions...

Journal: :acta medica iranica 0
a jafari department of pediatric dentistry, faculty of dentistry, tehran university of medical science, tehra a kowsari department of pediatric dentistry, faculty of dentistry, tehran university of medical science, tehra j mahmoodian department of pediatric dentistry, faculty of dentistry, tehran university of medical science, tehra a zrehgar department of pediatric dentistry, faculty of dentistry, tehran university of medical science, tehra

classification of occlusion is the first step in diagnosing the relationship between the upper and lower jaw's teeth. based on angle's classification, occlusion is divided into three categories: class i, class ii, and class iii. the aim of this study was to determine the prevalence of occlusion categories, based on angle's classification, in adolescents with permanent dentition in tehran. this ...

Journal: :journal of dental research, dental clinics, dental prospects 0
hamidreza poureslami naser asl aminabadi alireza sighari deljavan leila erfanparast tabriz university of medical sciences, iran azin sohrabi zahra jamali

background and aims. predicting the teeth eruption time is a valuable tool in pediatric dentistry since it can affects scheduling dental and orthodontic treatments. this study investigated the relationship between the eruption time of first primary and permanent teeth and the variation in the eruption time considering socioeconomic status (ses) in a 9-year population- based cohort study. materi...

Journal: :anatomical sciences journal 0
fatemeh jahanimoghadam department of pediatric dentistry, dental school, oral & dental research center, kerman university of medical sciences, kerman, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی کرمان (kerman university of medical sciences) reihaneh hosseinifar department of pediatric dentistry, dental school, kerman university of medical sciences, kerman, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی کرمان (kerman university of medical sciences)

although the delayed exfoliation of primary teeth among children is a common dental problem, simultaneous presence of primary teeth and corresponding successors is a rare feature in adults. this paper reports an unusual case in which both permanent teeth (molars, premolars, and canines) and primary teeth were present simultaneously. this report describes questions concerning the etiology of ove...

Journal: :journal of dental school, shahid beheshti university of medical sciences 0
m. moshfeghi a. mirzaeipour m. kheirkhahi

objective: taurodontism is a dental anomaly characterized by elongation of root body and apical displacement of the pulp chamber floor associated with shortening of roots and their narrowing at the cementoenamel junction (cej). due to having a dilated apical one-third, these teeth may cause complications during extraction, locating canal orifices and instrumentation. this study aimed to assess ...

2012
Suma Vinay Vinayk Keshav Shreya Sankalecha

An ideal primary dentition is the indicator of future ideal permanent dentition. Absence of primate or secondary spaces in the primary dentition is expression of disproportion between jaw/tooth sizes. Little information is known on the relationship of spacing and closed dentition with malocclusion in relation to primary and permanent dentition. Hence, the present study was conducted to find the...

ابریشمی, محمدرضا, اکبرزاده, علیرضا,

  Objectives: Attached gingival width (AGW) is an important marker for diagnosis of periodontal disease and normal gingival sulcus depth (GSD) is a sign of healthy periodontium. The aim of this study was to determine the AGW and GSD in3-15 year-olds with three dentition systems in Isfahan in 2001.   Methods: A total of 360 students (120 students in each system) eligible for this cross sectional...

Journal: :iranian journal of public health 0
fariborz amini 1. dept. of orthodontics, dental branch, islamic azad university , tehran, iran. vahid rakhshan 2. dept. of dental anatomy and morphology, dental branch, islamic azad university , tehran, iran. sanaz jamalzadeh 3. dentist in private practice , tehran, iran.

awareness of hyperdontia pattern/prevalence can be useful in early diagnosis and prevention by general practitioners, pediatric dentists, and orthodontists. since the previous results regarding the pattern of hyperdontia (supernumerary teeth) are controversial, this study aimed to assess this subject among iranian orthodontic patients.all approved panoramic radiographs of 3374 orthodontic patie...

Journal: :iranian journal of radiology 0
ismail uzun department of endodontics, faculty of dentistry, ondokuz mayis university, samsun, turkey kaan gunduz department of dentomaxillofacial radiology, faculty of dentistry, ondokuz mayis university, samsun, turkey peruze celenk department of dentomaxillofacial radiology, faculty of dentistry, ondokuz mayis university, samsun, turkey hakan avsever department of dentomaxillofacial radiology, gulhane military medical academy (gata), ankara, turkey kaan orhan department of dentomaxillofacial radiology, faculty of dentistry, ankara university, ankara, turkey; department of dentomaxillofacial radiology, faculty of dentistry, near east university, mersin, turkey gozde canitezer department of dentomaxillofacial radiology, faculty of dentistry, ondokuz mayis university, samsun, turkey; department of dentomaxillofacial radiology, faculty of dentistry, ondokuz mayis university, samsun, turkey. tel: +90-3623121919, fax: +90-3624576032

conclusion no significant differences were found among observers or voxel sizes, with high az results reported for all groups. results no significant differences were found among observers or voxel sizes, with high average z (az) results being reported for all groups. both intra- and inter-observer agreement values were relatively better for 3d accuitomo 170 images than the images from newtom 3...

Journal: :journal of dental materials and techniques 0
mahshid sheikh-nezami dental trauma clinic, academic center for education, culture, and research, mashhad, iran majid akbari dental research center, faculty of dentistry, mashhad university of medical sciences, mashhad, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (mashhad university of medical sciences) khosro shamsian dental trauma clinic, academic center for education, culture, and research, mashhad, iran samaneh vasigh student research committee, faculty of dentistry, mashhad university of medical sciences, mashhad, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (mashhad university of medical sciences) armita rouhani dental research center, faculty of dentistry, mashhad university of medical sciences, mashhad, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (mashhad university of medical sciences)

introduction: traumatic dental injuries (tdi) in children and adolescents are a common dental health problem and the prevalence of these injuries has increased during the past few decades. the aim of this paper was to evaluate the data of the patients with dental trauma in permanent teeth looking for treatment in the dental trauma clinic in the north-east of iran over 4 years. methods: during t...

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