نتایج جستجو برای: molars

تعداد نتایج: 8125  

Journal: :journal of dentistry, tehran university of medical sciences 0
y. refoua m. arshad

the presence of supernumerary teeth is not uncommon in the general population. they occur more frequently in patients with a family history of such teeth but it is rare to find multiple supernumeraries in individuals with no other associated disease or syndrome. there have been very few documented cases of bilateral maxillary and mandibular supernumeraries, distal to the third molars. supernume...

Journal: :journal of dental research, dental clinics, dental prospects 0
abbas makarem navid ravandeh masoumeh ebrahimi

background and aims. the superiority of rotary systems has been reported in several clinical studies on permanent teeth. this study consisted of radiographic assessment and chair time of rotary instruments in the pulpectomy of primary second molar teeth. materials and methods. in this randomized controlled clinical study, 46 children, 3-6 years of age, were selected. the patients were divided r...

2009
Minoru Yamaoka Yusuke Ono Masahide Ishizuka Yoko Hasumi-Nakayama Ryosuke Doto Kouichi Yasuda Takashi Uematsu Kiyofumi Furusawa

Acute inflammation is frequently seen in the elderly around incompletely impacted molars located apart from molars or premolars. To identify the factors causing acute inflammation in the solitary molars without second molars or without second and first molars, ages of patients and rates of acute inflammation in 75 horizontal incompletely impacted mandibular molars in contact or not in contact w...

Journal: :Journal of endodontics 1999
J J Stropko

An examination of 1732 conventionally treated maxillary molars was made in an attempt to determine the percentage of MB2 canals that could be located routinely. The teeth examined were 1096 first molars, 611 second molars, and 25 third molars. The results were recorded on a modified computer program over an 8-yr period of time. An interesting trend was noted. The MB2 canal was found in 802 (73....

Introduction: Presence of external root resorption in second molars associated with impacted mandibular third molars was not rare. The neglect of this issue may leads to penetration of the pulp and loss of the second molars. The aim of this study was to investigate the incidence and risk factors affecting the external root resorption in second molars associated with mandibular impacted third mo...

2013
Yun-Hoa Jung Bong-Hae Cho

PURPOSE The purpose of this study was to determine the prevalence of missing and impacted third molars in people aged 25 years and above. MATERIALS AND METHODS The study sample of 3,799 patients was chosen randomly from patients who visited Pusan National University Dental Hospital and had panoramic radiographs taken. The data collected included presence and impaction state, angulation, and d...

Journal: :avicenna journal of dental research 0
farhad faramarzi endodontics department, faculty of dentistry, hamadan university of medical sciences, hamadan, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی همدان (hamadan university of medical sciences) mitra vossoghi endodontics department, faculty of dentistry, hamadan university of medical sciences, hamadan, ir iran; endodontics department, faculty of dentistry, hamadan university of medical sciences, hamadan, ir iran. tel: +98-8118381086, fax: +98-8118381085سازمان اصلی تایید شده: دانشگاه علوم پزشکی همدان (hamadan university of medical sciences) abbas shokri radiology department, faculty of dentistry, hamadan university of medical sciences, hamadan, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی همدان (hamadan university of medical sciences) bahare shams periodontics department, faculty of dentistry, shahid beheshti university of medical sciences, tehran, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید بهشتی (shahid beheshti university of medical sciences) maryam vossoghi prosthodontics department, kerman university of medical sciences, kerman, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی کرمان (kerman university of medical sciences) elham khoshbin endodontics department, faculty of dentistry, hamadan university of medical sciences, hamadan, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی همدان (hamadan university of medical sciences)

conclusions most extracted maxillary first molars were three rooted and four canals. cbct has relatively high reproducibility and accuracy of distinguishing mb2 canal. results we found 100% of cases with three separated roots, from which 69.23% had four canals including mb2 and 30.77% with three canals. 71.3% of mesiobuccal roots were two canals of type two vertucci and 28.7% type 4 with the me...

Journal: :Pediatric dentistry 2004
Michael J Casas David J Kenny Douglas H Johnston Peter L Judd

PURPOSE The purpose of this study was to compare long-term outcomes of ferric sulfate pulpotomy (FS) and primary tooth root canal therapy (RCT) in vital pulps of deciduous molars exposed to caries lesions. METHODS A total of 291 molars were treated in 130 children. One hundred and eighty-two molars received FS and 109 received RCT by random selection. RESULTS At 3-year re-assessment, 29 mol...

Journal: :Czasopismo stomatologiczne 2023

AMA Skrypnyk M, Petrushanko T. Clinical performance of “free-hand” direct composite crowns used for the restoration severely destroyed mandibular molars. Journal Stomatology. 2023. doi:10.5114/jos.2023.131317. APA Skrypnyk, M., & Petrushanko, (2023). https://doi.org/10.5114/jos.2023.131317 Chicago Maksym, and Tatiana Petrushanko. "Clinical molars". Harvard MLA Maksym et al. molars." Stomatology...

Journal: :International endodontic journal 2011
R Zhang H Wang Y-Y Tian X Yu T Hu P M H Dummer

AIM To evaluate the root canal configuration of permanent mandibular first and second molar teeth in a Chinese subpopulation using cone-beam computed tomography (CBCT). METHODOLOGY Patients who required CBCT radiographic examinations as part of their routine examination, diagnosis and treatment planning, were enrolled. Cases where the anatomy was compromised by physiological or pathological p...

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