نتایج جستجو برای: digital dental radiography

تعداد نتایج: 481226  

Journal: :IP International Journal of Maxillofacial Imaging 2020

Journal: :journal of dental materials and techniques 0
ali bagherpour dental materials research center and department of oral and maxillofacial radiology, faculty of dentistry, mashhad university of medical sciences, mashhad, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (mashhad university of medical sciences) maryam mojtahedi department of restorative dentistry, faculty of dentistry, birjand university of medicalsciences, birjand, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی بیرجند (birjand university of medical sciences) mahrokh imanimoghaddam oral and maxillofacial diseases research center and department of oral and maxillofacialradiology, faculty of dentistry, mashhad university of medical sciences, mashhad, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (mashhad university of medical sciences) hamid jafarzadeh dental research center, department of endodontics, faculty of dentistry, mashhad university of medical sciences, mashhad, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (mashhad university of medical sciences)

introduction: the aim of this study was to compare digital and conventional radiography in determining the working length of dilacerated canals.methods: thirty nine human extracted single-rooted teeth with root curvature more than 35 degrees were included in this study. after access preparation, a file was inserted into the canal and advanced until the file tip was visualized at the foramen. wi...

F. Azimi, H. Babazadeh, S. Valizadeh, Z. Azizi,

  Objective: Diagnosis of vertical root fractures (VRFs) is critical in endodontics which most of the times occurs in endodontically treated teeth with root canal fillings such as gutta percha. Despite Cone Beam Computed Tomography (CBCT) has significantly enhanced image quality compared to digital radiography (DR) which aid the diagnosis, artifacts has remained as a problem in VRF detection . ...

2005
Amin-Tavakoli M. Amin Tavakoli

Purpose: Root fracture is a clinical problem which often is difficult to detect and diagnose. As the root fracture detection is based on demonstration of a fracture line or lines, radiographic examination is important. The aim of this study was to compare diagnostic efficacy of direct digital radiography with conventional radiography for detecting experimental root fractures. Materials & Method...

ژورنال: مجله دندانپزشکی 2019

Background and Aims: Accurate diagnosis of vertical root fracture (VRF) is a fundamental importance in endodontics. Because of poor prognosis of VRF, digital radiographs with two horizontal angles have limitations in VRF detection. Also, Gutta-percha can produce artifacts that impair CBCT scan accuracy. The aim of this study was to compare accuracy of CBCT and digital radiography system in vert...

Background and Objectives: Working length determination is one of the most important factors in successful root canal treatment; therefore, this study was carried out to compare conventional (E-speed) and digital (CMOS) radiographies in determining the working length of the root canals of mandibular molar teeth. Materials and Methods: In this ex-vivo study, 25 permanent mandibular double-roo...

Aims Chest radiography is the first choice for the investigation of cardiovascular and respiratory disease. Radiographer technologists are responsible for managing the radiation exposure to patients and providing adequate image quality according to the ALARA concept. The knowledge and experience of radiographers in performing chest radiography helps to improve the diagnosis of diseases. The aim...

Alieh Sadat Javadzadeh, Nastaran Dolatabadi, Seied Tahereh Mohtavipoor , Somayeh Nemati, Zahra Dalili,

Introduction: Many epidemiological studies have been conducted to determine the prevalence of the various types of the dental anomalies. The aim of the present study was determination of developmental and acquired dental anomalies in patients attending the faculty of dentistry in Rasht, Iran. Materials and Methods: In this retrospective cross-sectional study, 1224 digital panoramic ra-diographs...

Introduction: Teeth can be used to determine age in forensic medicine if none of the other techniques of identification are appropriate. The researchers used panoramic radiographs from patients referred to Yazd Shahid Sadoughi Dental School to determine age using pulp/tooth perimeter ratio. Methods: In this diagnostic study, 800 panoramic digital radiographs were examined and the age of the pa...

Journal: :journal of dental research, dental clinics, dental prospects 0
tahmineh razi arezu mohammadi morteza ghojazadeh

background and aims. in periapical radiographic technique, the changes will be visible only after considerable deposition or resorption while digital subtraction technique visualizes slight density changes. this study was aimed to compare visualization of density changes in conventional periapical radiographs and digital subtraction technique with or without image enhancement. materials and met...

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