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Dental radiography

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https://www.readbyqxmd.com/read/28642515/dental-radiography-plain-film-radiographs
#1
C P Devine, B Srinivasan, P Ramchandani
No abstract text is available yet for this article.
June 23, 2017: British Dental Journal
https://www.readbyqxmd.com/read/28632255/intake-of-proton-pump-inhibitors-is-associated-with-an-increased-risk-of-dental-implant-failure
#2
Bruno Ramos Chrcanovic, Jenö Kisch, Tomas Albrektsson, Ann Wennerberg
PURPOSE: To investigate the association between the intake of proton pump inhibitors (PPIs) and the risk of dental implant failure. MATERIALS AND METHODS: The present retrospective cohort study is based on patients consecutively treated between 1980 and 2014 with implant-supported/retained prostheses at one specialist clinic. Modern endosseous dental implants with cylindrical or conical design were included, and only complete cases were considered; ie, only those implants with information available for all variables measured were included in the regression model analysis...
June 20, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28629401/odontogenic-orbital-cellulitis-associated-with-cavernous-sinus-thrombosis-and-pulmonary-embolism-a-case-report
#3
D Allegrini, S Reposi, E Nocerino, A Pece
BACKGROUND: This case illustrates the importance of prompt assessment and treatment of orbital cellulitis. In fact the ocular signs and symptoms may be associated with systemic complications which should be investigated and identified as soon as possible to avoid a poor prognosis. CASE PRESENTATION: A 46-year-old white woman presented to our emergency room with proptosis, ophthalmoplegia, and conjunctival chemosis of her left eye. An ophthalmologist, having diagnosed orbital cellulitis in her left eye, suspected a cavernous sinus thrombosis...
June 20, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28626283/assessment-of-cavitation-in-artificial-approximal-dental-lesions-with-near-ir-imaging
#4
Jacob C Simon, Cynthia L Darling, Daniel Fried
Bitewing radiography is still considered state-of-the-art diagnostic technology for assessing cavitation within approximal carious dental lesions, even though radiographs cannot resolve cavitated surfaces but instead are used to measure lesion depth in order to predict cavitation. Clinicians need new technologies capable of determining whether approximal carious lesions have become cavitated because not all lesions progress to cavitation. Assessing lesion cavitation from near-infrared (NIR) imaging methods holds great potential due to the high transparency of enamel in the NIR region from λ=1300-1700-nm, which allows direct visualization and quantified measurements of enamel demineralization...
January 28, 2017: Proceedings of SPIE
https://www.readbyqxmd.com/read/28584477/dental-sex-dimorphism-using-odontometrics-and-digital-jaw-radiography
#5
B N V S Satish, Chanchal Moolrajani, Maharudrappa Basnaker, Prashant Kumar
CONTEXT: Estimating the gender from the human skeletal remains can guide the forensic investigator in revealing the missing person's identity. AIMS: (1) To determine the utility of the various parameters taken on the orthopantomographs (mandible) and of odontometrics on tooth remains to estimate the gender. (2) To determine the most dimorphic parameter taken on the radiograph as well as tooth (odontometrics) in the study taken. STUDY AND DESIGN: (1) A retrospective study was planned on 200 subjects (100 males and 100 females) in the age group of 18-30 years and the following parameters (maximum ramus height, bigonion width, and bicondylar breadth) were measured on the orthopantomograph...
January 2017: Journal of Forensic Dental Sciences
https://www.readbyqxmd.com/read/28584324/absorbed-doses-for-patients-undergoing-panoramic-radiography-cephalometric-radiography-and-cbct
#6
Małgorzata Wrzesień, Jerzy Olszewski
OBJECTIVES: Contemporary dental radiology offers a wide spectrum of imaging methods but it also contributes to an increase in the participation of dental radiological diagnosis in the patient's exposure to ionizing radiation. The aim of this study is to determine the absorbed doses of the brain, spinal column, thyroid and eye lens for patients during panoramic radiography, cephalometric radiography and cone beam computed tomography (CBCT). MATERIAL AND METHODS: The thermoluminescent dosimetry and anthropomorphic phantom was used for measuring the doses...
May 12, 2017: International Journal of Occupational Medicine and Environmental Health
https://www.readbyqxmd.com/read/28529280/alternative-methods-to-visual-and-radiographic-examinations-for-approximal-caries-detection
#7
Naif Abogazalah, Masatoshi Ando
A shift in caries prevalence from occlusal surfaces to approximal surfaces has been demonstrated by epidemiological studies. Two recent meta-analyses evaluated the performance of visual examination and radiography for carious lesion detection, and reported low sensitivity but high specificity for early approximal caries detection. This suggests that the conventional methods have a higher risk of failing to detect approximal lesions. Consequently, in caries susceptible populations, there is a risk of progression of non-cavitated lesions to irreversible tooth destruction before the lesions are detected...
May 19, 2017: Journal of Oral Science
https://www.readbyqxmd.com/read/28512493/radiographic-quality-of-root-canal-obturation-performed-by-fifth-year-students-of-hamadan-dental-school
#8
Amir Eskandarloo, Hamed Karkehabadi, Seyedeh Zeinab Hoseini Hashemi, Masoumeh Ahmadi, Seyedeh Sareh Hendi
INTRODUCTION: The aim of this study was to assess the radiographic technical quality of root canal therapy performed by fifth year students of Dental School of Hamadan University of Medical Sciences from 2015 to 2016. METHODS AND MATERIALS: Four hundred and seventy records of root canal therapies were evaluated. Records with graphies taken as initial, master apical file (MAF), master apical cone (MAC) and final radiographs were included in the study and records of patient younger than 16 years and older than 68 years were excluded from further investigations...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/28509506/anti-inflammatory-and-regenerative-effects-of-albanian-propolis-in-experimental-vital-amputations
#9
Aida Meto, Agron Meto, Bora Bimbari, Kastriot Shytaj, Mutlu Özcan
This study evaluated the effects of Albanian propolis on the inflamed pulpal tissue after pulpotomy in piglets. In five piglets, two teeth each were infected using special pathogenic microbial flora that was prepared in advance in order to cause inflammation of the pulp. Pulpotomy was performed in the maxillary and mandibular central and lateral incisors. Microbial flora pathogenesis prepared from the section of infected teeth, containing Staphylococcus aureus, Streptococcus viridans, Enterococcus faecalis, Staphylococcus albus and mixed flora were used to cause artificial pulpitis...
September 2016: European Journal of Prosthodontics and Restorative Dentistry
https://www.readbyqxmd.com/read/28475083/maxillary-canine-morphology-comparative-and-descriptive-analysis-from-periapical-radiographs-and-cone-beam-computed-tomography
#10
Hianne Miranda de Torres, Julyanna Jacinto de Arruda, João Manoel da Silva-Filho, Danielle Lago Bruno de Faria, Monikelly Carmo Chagas Nascimento, Érica Miranda de Torres
The anatomical characteristics of permanent maxillary canines were evaluated through visual examination, periapical radiography, and cone beam computed tomography (CBCT), and measurements obtained from the images and directly on the teeth were compared. Fifty extracted human maxillary canines were classified according to the side of the mouth. The direction of root curvature and location of the apical foramen were also verified. Periapical radiographs and CBCTs of the specimens were obtained. The number of root canals was verified...
May 2017: General Dentistry
https://www.readbyqxmd.com/read/28453977/measurement-of-the-effective-energy-of-pulsed-x-rays-emitted-from-a-mather-type-plasma-focus-device
#11
Seyed Milad Miremad, Babak Shirani Bidabadi
The current study examined the effective energy of pulsed x-rays emitted from a Mather-type plasma focus device with copper anodes at an energy range of 2-3kJ using x-ray transmission radiography. Aluminum filters of different thicknesses and dental x-ray film were used. When air gas was used at a constant voltage of 21kV at 0.3, 0.6, 0.9 and 1.2 mbar, the effective energy of pulsed the x-ray was 10.9, 10.7, 17.3 and 15.8keV, respectively. At 0.6 mbar of air, as the operating voltage increased to 19, 21 and 23kV, the effective energy of the x-ray radiation was 10...
April 23, 2017: Applied Radiation and Isotopes
https://www.readbyqxmd.com/read/28433071/association-between-the-eruption-of-the-third-molar-and-caries-and-periodontitis-distal-to-the-second-molars-in-elderly-patients
#12
Yu-Hsiang Chou, Pei-Shan Ho, Kun-Yen Ho, Wen-Chen Wang, Kai-Fang Hu
The objective of this study was to verify whether caries and periodontal diseases, when present on the distal surface of the second molars (M2s), are associated with the eruption of the third molars (M3s). In this split-mouth study, we evaluated 70 elderly patients with unilateral maxillary or mandibular M3s who presented to the outpatient clinics of two hospitals. Patients underwent comprehensive oral examinations and radiographical measurements, and we assessed the outcomes of periodontal disease and caries...
May 2017: Kaohsiung Journal of Medical Sciences
https://www.readbyqxmd.com/read/28429477/the-emerging-role-of-maxillofacial-radiology-in-the-diagnosis-and-management-of-patients-with-complex-periodontitis
#13
REVIEW
William C Scarfe, Bruno Azevedo, Lucas R Pinheiro, Menik Priaminiarti, Marcelo A O Sales
Contemporary periodontal therapy has evolved to become more interdisciplinary and increasingly involves more complex treatments, including bone and soft-tissue regenerative procedures. Therapeutic options require an imaging modality or combination of techniques that are capable of providing a diagnostic osseous baseline and facilitating quantification of smaller increments of bony change, both loss and additive, which are comparable over time. Intra-oral and panoramic radiography are the modalities most commonly used to identify the location, quantify the amount and the pattern of alveolar bone loss and determine response to therapy...
June 2017: Periodontology 2000
https://www.readbyqxmd.com/read/28416535/pneumatic-dental-extractions-an-unusual-cause-of-extensive-cervical-surgical-emphysema
#14
Christopher Thompson, Rohit Gohil
A 50-year-old fit and well man presented to the Accident and Emergency Department in a tertiary centre following lower molar extraction, complaining of voice hoarseness with neck and facial swelling. Clinical examination along with plain film radiography revealed pneumomediastinum and extensive cervical surgical emphysema. He was subsequently admitted for observation and managed conservatively under the ENT team with input from the maxillofacial and anaesthetic teams. With supportive treatment only, the emphysema resolved and he remained well up until discharge...
April 17, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28398151/assessing-bone-type-of-implant-recipient-sites-by-stereomicroscopic-observation-of-bone-core-specimens-a-comparison-with-the-assessment-using-dental-radiography
#15
Min-Wen Fu, E-Chin Shen, Earl Fu, Fu-Gong Lin, Tian-You Wang, Hsien-Chung Chiu
BACKGROUND: We aimed to determine if bone quality evaluation of surgically obtained bone core specimens using a stereomicroscope is reliable for determining bone quality at implant recipient sites. METHODS: Bone quality was pre-surgically assessed in 122 edentulous ridges obtained from 62 patients using periapical radiographs and categorized according to the Lekholm and Zarb classification. During surgery, bone specimens were trephined, and bone types were immediately classified using a stereomicroscope...
March 10, 2017: Journal of Periodontology
https://www.readbyqxmd.com/read/28387609/carvacrol-ameliorates-ligation-induced-periodontitis-in-rats
#16
Po-Jan Kuo, Tsung-Fu Hung, Chi-Yu Lin, Hsiang-Yin Hsiao, Min-Wen Fu, Po-Da Hong, Hsien-Chung Chiu, Earl Fu
BACKGROUND: This study aimed to evaluate the ameliorative effect of carvacrol, an anti-inflammatory monoterpenoid phenol and a major component of Plectranthus amboinicus, on periodontal damage in an experimental rat model of periodontitis. METHODS: Forty Sprague-Dawley rats were divided into ligation (Lig), non-ligation (N-L), and two ligation plus carvacrol (L+C) groups. Carvacrol (17.5 or 35.0 mg/kg body weight/per day) was administered intragastrically from 1 day before ligation...
April 7, 2017: Journal of Periodontology
https://www.readbyqxmd.com/read/28387272/guidelines-on-the-timing-and-frequency-of-bitewing-radiography-a-systematic-review
#17
T L Goodwin, H Devlin, A M Glenny, L O'Malley, K Horner
Objectives To identify guidelines on when and how frequently bitewing radiographs should be used in dentistry for the diagnosis of caries, and to provide an objective appraisal of their quality.Data sources MEDLINE (OVID), US National Guideline Clearinghouse (www.guideline.gov) and the Royal College of Surgeons of England (https://www.rcseng.ac.uk/fds/publications-clinical-guidelines/clinical_guidelines) websites were searched using a variety of relevant search terms (2 August 2016).Data selection Publications were included if they made recommendations on the issue of when and how frequently radiographs should be used in any dentally-related specialty pertaining to the diagnosis of caries; and/or if they were aimed at the individual practitioner (any health professional working within dentistry) and/or patients...
April 7, 2017: British Dental Journal
https://www.readbyqxmd.com/read/28386851/in-vivo-osseointegration-of-dental-implants-with-an-antimicrobial-peptide-coating
#18
X Chen, X C Zhou, S Liu, R F Wu, C Aparicio, J Y Wu
This study aimed to evaluate the in vivo osseointegration of implants with hydrophobic antimicrobial GL13K-peptide coating in rabbit femoral condyles by micro-CT and histological analysis. Six male Japanese Rabbits (4 months old and weighing 2.5 kg each) were included in this study. Twelve implants (3.75 mm wide, 7 mm long) were randomly distributed in two groups, with six implants in the experimental group coated with GL13K peptide and six implants in the control group without surface coating. Each implant in the test and the control group was randomly implanted in the left or right side of femoral condyles...
May 2017: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/28383604/microbiological-contamination-in-digital-radiography-evaluation-at-the-radiology-clinic-of-an-educational-institution
#19
Cristiana P Malta, Naiana Nl Damasceno, Rosangela A Ribeiro, Carolina Sf Silva, Karina L Devito
The aim of this study was to evaluate the contamination rate of intra and extraoral digital X ray equipment in a dental radiology clinic at a public educational institution. Samples were collected on three different days, at two times in the day: in the morning, before attending patients, and at the end of the day, after appointment hours and before cleaning and disinfection procedures. Samples were collected from the periapical X-ray machine (tube head, positioning device, control panel and activator button), the panoramic X- ray machine (temporal support, bite block, control panel and activator button), the intraoral digital system (sensor), and the digital system computers (keyboard and mouse)...
December 2016: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/28364571/3d-multislice-and-cone-beam-computed-tomography-systems-for-dental-identification
#20
REVIEW
Hana Eliášová, Taťjana Dostálová
3D Multislice and Cone-beam computed tomography (CBCT) in forensic odontology has been shown to be useful not only in terms of one or a few of dead bodies but also in multiple fatality incidents. 3D Multislice and Cone-beam computed tomography and digital radiography were demonstrated in a forensic examination form. 3D images of the skull and teeth were analysed and validated for long ante mortem/post mortem intervals. The image acquisition was instantaneous; the images were able to be optically enlarged, measured, superimposed and compared prima vista or using special software and exported as a file...
2017: Prague Medical Report
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