نتایج جستجو برای: panoramic radiography

تعداد نتایج: 23591  

Journal: :iranian journal of radiology 0
solmaz valizadeh department of oral and maxillofacial radiology, faculty of dentistry, shahid beheshti university of medical sciences, tehran, iran nakissa eil department of oral and maxillofacial radiology, faculty of dentistry, tehran university of medical sciences, tehran, iran sara ehsani dental research center, research institute of dental sciences, shahid beheshti university of medical sciences, tehran, iran; dental research center, research institute of dental sciences, shahid beheshti university of medical sciences, evin, po box: 1983963113, tehran, iran. tel.: +98-2122413897, fax: +98-2122427753 hooman bakhshandeh cardiovascular intervention research center, rajaie cardiovascular medical research center, tehran university of medical sciences, tehran, iran

conclusion the relationship between calcification of teeth and maturation of cervical bones was significant. bone maturation can be predicted by using teeth calcification stages, especially in the second molar, first molar and lateral incisor. results correlations between the two stages were observed in the first and second premolars, canine and central incisors. all these correlations were sig...

Journal: :Journal of Advanced Clinical & Research Insights 2016

ژورنال: پیاورد سلامت 2021
Baradaran, Samaneh, Changizi, Vahid, Mohammadi, Maryam, Taheri, Mehran,

Background and Aim: On panoramic radiographs, sensitive organs, including the thyroid, are exposed to radiation. Thyroid cancer is one of the most common cancers in Iran. That is why, in this study the effective dose and risk of thyroid cancer were estimated on panoramic radiography. Materials and Methods: Seventy GR200 thermoluminescence (TLD) dosimeters were used to estimate the absorbed dos...

Journal: :journal of dental research, dental clinics, dental prospects 0
shahrzad javadinejad assistant professor.department of pediatric dentistry, islamic azad university branch of khorasgan, iran. hajar sekhavati postgraduate student of pediatric dentistrydepartment of pediatric dentistry, islamic azad university branch of khorasgan, iran roshanak ghafari .department of oral and maxillofacial radiology, islamic azad university branch of khorasgan, iran

background and aims. tooth development is widely used in determining age and state of maturity. dental age is of high importance in forensic and pediatric dentistry and also orthodontic treatment planning .the aim of this study was to compare the accuracy of four radiographic age estimation methods. materials and methods. orthopantomographic images of 537 healthy children (age: 3.9-14.5 years o...

Journal: :journal of dentomaxillofacil radiology, pathology and surgery 0
ali mokhtar islamic azad university, dental faculty , tehran ,iran pegah bronoosh alborz radiology center , karaj, iran abdolaziz haghnegahdar shiraz university of medical sciences, oral and maxillofacial radiology department, shiraz, iran

introdouction: impacted and partially erupted third molars can cause various symptoms and pathologies. the aim of this study was to determine the association between commonly observed pathological conditions and the impaction depth of lower third molar teeth. materials and methods: in this retrospective study, 370 panoramic radiographs including 724 lower third molars were evaluated to assess s...

Journal: :journal of dental materials and techniques 0
arash arash ghodousi nursing and midwifery faculty, khorasgan (isfahan) branch, islamic azad university, isfahan, iranسازمان اصلی تایید شده: دانشگاه آزاد اسلامی اصفهان خوراسگان (islamic azad university of isfahan khorasgan) mahnaz mahnaz sheikhi department of oral and maxillofacial radiology, isfahan university, isfahan, iranسازمان اصلی تایید شده: دانشگاه اصفهان (isfahan university) elham elham zamani department of oral medicine, school of dentistry, khorasgan (isfahan) branch, islamic azad university, isfahan, iranسازمان اصلی تایید شده: دانشگاه آزاد اسلامی اصفهان خوراسگان (islamic azad university of isfahan khorasgan) shirin shirin gale-bakhtiari school of dentistry, khorasgan (isfahan) branch, islamic azad university, isfahan, iranسازمان اصلی تایید شده: دانشگاه آزاد اسلامی اصفهان خوراسگان (islamic azad university of isfahan khorasgan) milad milad gahangirmoghaddam school of dentistry, khorasgan (isfahan) branch, islamic azad university, isfahan, iranسازمان اصلی تایید شده: دانشگاه آزاد اسلامی اصفهان خوراسگان (islamic azad university of isfahan khorasgan)

introduction: gender specification among the forensic dentistry and human anthropology, is mainly based on anatomic variations. due to racial differences and environmental factors such as time of tooth extraction, osteoporosis, dietary habits, usage of dental prosthetics and periodontal diseases, there will be different results achieved. the purpose of this study is to classify the gender speci...

Journal: :avicenna journal of dental research 0
mehdi ravadgar orthodontic department, dental materials research center, school of dentistry , babol university of medical sciences, babol, ir iran; orthodontic department, dental materials resaerch center, school of dentistry, babol university of medical sciences, babol, ir iran. tel: +98-1132291408, fax: +98-1132291093سازمان اصلی تایید شده: دانشگاه علوم پزشکی بابل (babol university of medical sciences) alireza mirshekar oral and maxillofacial radiology department, school of dentistry, babol university of medical sciences, babol, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی بابل (babol university of medical sciences) ehsan moudi oral and maxillofacial radiology department, school of dentistry, babol university of medical sciences, babol, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی بابل (babol university of medical sciences) ali bijani social determinants of health research center, babol university of medical sciences, babol, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی بابل (babol university of medical sciences)

conclusions the relationship between calcification of tooth and maturation of cervical bones was significant. this suggested that tooth calcification stages from panoramic radiographs might be clinically useful as a maturity indicator. results all correlation values obtained were statistically significant (p < 0.001). correlations between dental development and skeletal maturity stage due to cv...

Journal: :journal of dentistry, tehran university of medical sciences 0
sunil kumar vishwanath chanagay department of conservative dentistry and endodontics, bhabha college of dental sciences, bhopal (m.p.) india. vikram singh department of oral medicine and maxillofacial radiology, bhabha college of dental sciences, bhopal (m.p.) india. sunil rao bantwal department of conservative dentistry and endodontics, bhabha college of dental sciences, bhopal (m.p.) india. manjunatha muniyappa department of conservative dentistry and endodontics, bhabha college of dental sciences, bhopal (m.p.) india.

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. 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 in the premolar region. an unusual case o...

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