نتایج جستجو برای: periapical radiographs

تعداد نتایج: 19677  

2011
Larissa Semenoff Tereza Aparecida Delle Semenoff Fabio Luiz Miranda Pedro Evaristo Ricci Volpato Maria Aparecida de Andrade Moreira Machado Álvaro Henrique Borges Alex Semenoff-Segundo

It is extremely important to assess variations between the most used radiographs in dental practice, since minimum distortion on obtained images may change diagnosis, treatment plan, and prognosis for the patient. For this, the distance between the enamel-cementum junction and the alveolar bone crest was measured on conventional and digitized periapical, bitewing, and panoramic radiographs and ...

2007
L. Khojastehpour H. Khosropanah MJ. Kharazifard

Statement of Problem: Digital Subtraction Radiography (DSR) needs reproducible alignment between the x-ray source, the object, and the film for obtaining identical projections of the same anatomic region. Purpose: The aim of this study was to evaluate the effect of bite registrations (placed on individual bite blocks) on the reproducibility of parallel periapical radiographs, obtained every 2 m...

2017
Kholod Almanei Rakan Alsulaimani Sarah Alfadda Sarah Albabtain Reem Alsulaimani

Aim To compare digital images of conventional radiographs with the original radiographs for perceived clarity of periapical lesions and the quality of root canal treatment. Materials and Methods One hundred and four intraoral periapical radiographs of patients with endodontically treated teeth were randomly selected. The radiographs were digitized using an MD300 USB X-ray Reader. The digital ...

Journal: :مجله دانشکده دندانپزشکی اصفهان 0
محمد شاه ابویی احسان حکمتیان مهدی ادیب راد ایوب بهادر قبادی mohamad shah abouei ehsan hekmatian e

normal 0 false false false en-us x-none fa microsoftinternetexplorer4 introduction : alveolar bone level is changed due to the balance between bone formation and resorption. radiographic examination has an important role in the diagnosis and treatment of periodontal diseases. this study was performed to compare the accuracy of vertical bitewing and periapical radiography in anterior mandibular ...

Journal: :journal of dentistry, tehran university of medical sciences 0
l. khojastehpour h. khosropanah mj. kharazifard

statement of problem: digital subtraction radiography (dsr) needs reproducible alignment between the x-ray source, the object, and the film for obtaining identical projections of the same anatomic region. purpose: the aim of this study was to evaluate the effect of bite registrations (placed on individual bite blocks) on the reproducibility of parallel periapical radiographs, obtained every 2 m...

2010
Bassam A. Hassan

OBJECTIVES The purpose of the present study was to investigate the reliability of both periapical radiographs and orthopantomograms for exact detection of tooth root protrusion in the maxillary sinus by correlating the results with cone beam computed tomography. MATERIAL AND METHODS A database of 1400 patients scanned with cone beam computed tomography (CBCT) was searched for matching periapi...

Journal: :Journal of endodontics 2007
Chia-Yi Chen Gunnar Hasselgren Neill Serman Mitchell S V Elkind Moïse Desvarieux Steven P Engebretson

Pulpitis results in significant morbidity among the elderly, particularly in underserved communities. We collected panoramic oral radiographs from 244 (mean age 67) participants of the Northern Manhattan Study, a prospective cohort study of stroke risk in a multiethnic urban population. Radiographs were evaluated for missing teeth, caries, restorations, periodontal bone loss, adequacy of endodo...

Journal: :Chang Gung medical journal 2003
Yu-Jen Wu Yu-Kang Tu Shay-Min Huang Chiu-Po Chan

BACKGROUND Loss of the interproximal dental papilla may cause functional and, especially in the maxillary anterior region, phonetic and severe esthetic problems. The purpose of this study was to investigate whether the distance from the contact point to the bone crest on standardized periapical radiographs of the maxillary anterior teeth could be correlated with the presence of the interproxima...

ژورنال: مجله دندانپزشکی 2013
رفوآ, یوشیاهو , ساروی, محمد ابراهیمی , شریفی, رضا , نظری داشلی برون, یونس ,

  Background and Aims: Impacted third molar reduces the bone level in the distal aspect of second molar, and sometimes it can lead to root resorption of the adjacent tooth. The purpose of this study was to determine this resorption using panoramic and periapical radiographs.   Materials and Methods: In this cross-sectional descriptive study 54 patient (28 men, 26 women) above 15 years old with ...

ژورنال: مجله دندانپزشکی 2004
شهرابی فراهانی, شکوفه, واحدی گشنیانی, هوشمند, گودرزی‌پور, داریوش,

Statement of Problem: One of the dental lesions which is mainly diagnosed by periapical radiography is apical root resorption Diagnosis of the presence and extension of this lesion can put some effects on its treatment plan and prognosis. Purpose: The aim of the present study was to evaluate the efficacy of periapical radiography on apical root resorption diagnosis. Materials and Methods: In th...

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