نتایج جستجو برای: dental radiography

تعداد نتایج: 179016  

E. Han, H. Jang, P. Cho, Y. Kim,

Background: Dental hygiene departments in Korean institutions of higher education regularly use radiography systems for educating students. Despite reports indicating that exposure doses from these radiation-generating devices are small, and thus, present low risks for causing physical harm or chromosomal abnormalities, the large numbers of people who participate in oral examinations involving ...

ژورنال: مجله دندانپزشکی 2007
باشی‌زاده, حوریه, طلایی پور, احمد رضا, نجفی مطلق, عباس, گودرزی پور, داریوش ,

Background and Aim: The goal of dental treatment is to improve oral hygiene, to maintain teeth and minimize the risk of diseases. Although data obtained from radiographs has distinct advantages to patients, the radiation side effects should be considered as well. FDA has developed a guideline for prescribing radiographs in the middle of the eighties. The aim of this study was to evaluate the re...

Journal: :The Journal of forensic odonto-stomatology 2006
S Fridell J Ahlqvist

The success of dental identification is often dependent on the extent of previous dental care and the location of detailed dental records. However, several factors limit available comparable data among children. There are often no clinical indications for dental radiography before the age of five and many children and adolescents have no restorative care. This reduces the amount of individualiz...

2014
Geovanna C. M. Machado Anelise Daher Luciane R. Costa

Many parents rely on emergency services to deal with their children's dental problems, mostly pain and infection associated with dental caries. This cross-sectional study analyzed the factors associated with not doing an oral procedure in preschoolers with toothache attending public dental emergency services. Data were obtained from the clinical files of preschoolers treated at all nine dental ...

Journal: :journal of dentistry, shiraz university of medical sciences 0
vahid rakhshan iranian tissue bank and research center, tehran university of medical sciences, dept. of dental anatomy and morphology, dental branch, islamic azad university, tehran, iran.

digital radiographs need additional metadata in order to be accurate when being converted to analog media. resolution is a major reason of failures in proper printing or digitizing the images. this letter shortly explains the overlooked pitfalls of digital radiography and photography in dental practice, and briefly instructs the reader how to avoid or rectify common problems associated with res...

2012
Eun-Kyung Kim

PURPOSE Hand-held dental x-ray system is a self contained x-ray machine designed to perform intraoral radiography with one or two hands. The issue about its usage as general dental radiography is still in dispute. The aim of the present study was to assess the relationship between the amount of battery charge and the tube voltage in different hand-held dental x-ray systems. MATERIALS AND METH...

Journal: :Dental journal of Hamadan University of Medical Sciences 2021

Background: Radiological examinations expose the patient to adverse effects of ionizing radiation, which is more severe among developing children. This can cause excessive and unreasonable fear anxiety for parents even disrupt treatment process. study aimed evaluate parents’ knowledge about dental radiographs children referred dentistry, assess relevant factors. Methods: The present a cross-sec...

Journal: :The journal of contemporary dental practice 2010
Najmeh Anbiaee Anousheh Rashad Mohassel Mahrokh Imanimoghaddam Seyed Mostafa Moazzami

AIM The purpose of this laboratory research was to compare the accuracy of digital and conventional bitewing radiographs in the diagnosis of recurrent caries under class II amalgam restorations. METHODS AND MATERIALS This study involved 82 posterior intact teeth in which class II amalgam boxes were prepared. Carious lesions were simulated in half of the proximal boxes in the intersection betw...

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