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Dental radiography

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https://www.readbyqxmd.com/read/27883287/definition-classification-and-retrospective-analysis-of-photostimulable-phosphor-image-artefacts-and-errors-in-intraoral-dental-radiography
#1
Armagan Caliskan, Ayse Pinar Sumer
OBJECTIVES: To detect and determine image error and artefact types in intraoral radiographs obtained with PSP technology, place them in an appropriate classification and retrospectively analyse the PSP specific image errors and artefacts. The causes and solutions of PSP specific errors and artefacts have also been discussed. METHODS: The radiographic database of the Ondokuz Mayıs University, Faculty of Dentistry, Department of Dentomaxillofacial Radiology was used for this study...
November 24, 2016: Dento Maxillo Facial Radiology
https://www.readbyqxmd.com/read/27861137/computer-assisted-system-on-mandibular-canal-detection
#2
Da-Chuan Cheng, Li-Wei Chen, Yen-Wen Shen, Lih-Jyh Fuh
BACKGROUND: A dentist always checks a patient by using panoramic radiography (PR) initially. The measurement of the minimal distance (MD) between the alveolar crest and the mandibular canal (MC) superior border is critically important before the dental implant surgery, extraction of 3rd molar teeth or any surgery in the posterior area of minimal distance (MD). However, the image of MC is not always clear to identify. OBJECTIVE: A software is needed for training dentists as well as a tool of demonstration to patients in clinics precisely and quickly...
November 18, 2016: Biomedizinische Technik. Biomedical Engineering
https://www.readbyqxmd.com/read/27812623/fragile-x-syndrome-panoramic-radiographic-evaluation-of-dental-anomalies-dental-mineralization-stage-and-mandibular-angle
#3
Aida Sabbagh-Haddad, Denise Sabbagh Haddad, Edgard Michel-Crosato, Emiko Saito Arita
Objective: The purpose of this study was to evaluate the dental radiographic characteristics as described in 40 records of patients with panoramic radiography. Material and Methods: The patients were in the range of 6-17 years old, and were divided into two groups (20 subjects who were compatible with the normality standard and 20 individuals diagnosed with the FXS), which were matched for gender and age. Analysis of the panoramic radiographic examination involved the evaluation of dental mineralization stage, mandibular angle size, and presence of dental anomalies in both deciduous and permanent dentitions...
September 2016: Journal of Applied Oral Science: Revista FOB
https://www.readbyqxmd.com/read/27800485/clinical-application-of-cone-beam-computed-tomography-of-the-rabbit-head-part-1-normal-dentition
#4
G G Riggs, Boaz Arzi, Derek D Cissell, David C Hatcher, Philip H Kass, Amy Zhen, Frank J M Verstraete
Domestic rabbits (Oryctolagus cuniculus) are increasingly popular as household pets; therefore, veterinarians need to be familiar with the most common diseases afflicting rabbits including dental diseases. Diagnostic approaches for dental disease include gross oral examination, endoscopic oral examination, skull radiography, and computed tomography (CT). CT overcomes many limitations of standard radiography by permitting cross-sectional images of the rabbit head in multiple planes without superimposition of anatomic structures...
2016: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/27795861/value-of-magnetic-resonance-imaging-for-diagnosis-of-dentigerous-cyst
#5
Antonione Santos Bezerra Pinto, André Luiz Ferreira Costa, Neiandro Dos Santos Galvão, Thásia Luiz Dias Ferreira, Sérgio Lúcio Pereira de Castro Lopes
Odontogenic cysts have a high prevalence in the dental clinic population, with dentigerous cyst being one of the most frequent ones and whose aetiology involves accumulation of fluid between the reduced enamel epithelium and the crown of an unerupted tooth. In the diagnostic process of these lesions, one should consider complementary imaging exams such as conventional radiography and computed tomography, which are commonly used for providing anatomical information on the tissues compromised by the lesion, but not on the nature of it...
2016: Case Reports in Dentistry
https://www.readbyqxmd.com/read/27794151/comparison-of-accuracy-of-determining-the-distance-between-alveolar-crest-and-cementoenamel-junction-in-digital-radiography-with-scanora-and-dentaleye-software-programs
#6
Mojdeh Mehdizadeh, Negar Maarefat, Shervin Bagherieh
AIM: To compare the accuracy of determining the distance between alveolar crest and cementoenamel junction (CEJ) in digital radiography with two image processing software programs. MATERIALS AND METHODS: In this in vitro study, 63 sites in a dried human mandible underwent digital periapical radiography. The distance from the alveolar crest to the CEJ was calculated using DentalEye and Scanora software programs and compared with the standard mode (measured on the skull)...
October 1, 2016: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/27790268/diagnosis-and-treatment-of-a-type-iii-dens-invagination-using-cone-beam-computed-tomography
#7
Mohsen Bahmani, Alireza Adl, Samane Javanmardi, Sina Naghizadeh
A 20-year-old man presented with the history of pain and swelling in the anterior maxillary segment. The periapical radiography was indicative of a dental anomaly in right maxillary lateral incisor. Due to the insufficient information from conventional radiography, cone-beam computed tomography (CBCT) was ordered. CBCT showed apical root resorption, large apical lucency and two separate canals with distinct apical foramen (Oehlers type III dens invagination). The CBCT image was used as a guide for dentine removal with an ultrasonic tip...
2016: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/27759998/presurgical-evaluation-of-bony-implant-sites-using-panoramic-radiography-and-cone-beam-computed-tomography-influence-of-medical-education
#8
Michael Dau, Amir Edalatpour, Ralf Schulze, Bilal Al-Nawas, Abdulmonem Alshihri, Peer W Kämmerer
OBJECTIVES: The aim of this study was to compare the subjective quality rating of panoramic radiography (PAN) and cone beam computed tomography (CBCT) in planning of dental implant procedures by clinicians with different educational background. METHODS: Radiographic images (PAN and CBCT) of 42 patients were examined as follows: 10 maxillary (MX) anterior region, 16 MX posterior region and 16 mandibular (MD) posterior region. These sites were used for planning of dental implant insertion...
October 19, 2016: Dento Maxillo Facial Radiology
https://www.readbyqxmd.com/read/27740639/assessment-of-marginal-peri-implant-bone-level-short-length-implants-compared-with-standard-implants-supporting-single-crowns-in-a-controlled-clinical-trial-12-month-follow-up
#9
Gerardo Mendoza-Azpur, Miguel Lau, Erick Valdivia, Jorge Rojas, Henry Muñoz, Myron Nevins
In oral rehabilitation, crown-to-root ratio is accepted as an indicator of bone loss, and this concept was transferred to implants. Recent studies have indicated that there is no significant difference between short and standard implants. The aim of this study was to compare marginal bone-level alteration through radiographic evaluation and clinical parameters between short and standard implants supporting single crowns. This prospective clinical trial study included 82 systemically healthy, nonsmoking subjects...
November 2016: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/27727110/a-review-of-cone-beam-computed-tomography-for-the-diagnosis-of-root-resorption-associated-with-impacted-canines-introducing-an-innovative-root-resorption-scale
#10
Zynab Jawad, Fiona Carmichael, Nadine Houghton, Claire Bates
OBJECTIVE: The aim of the study was to review all cases referred for cone beam computed tomography (CBCT) to the department of dental radiology at the Leeds Dental Institute to aid diagnosis of root resorption associated with impacted canines. We aimed to establish if referral for and reporting of these CBCT assessments were in compliance with current guidelines. In addition, we introduced a new and innovative tool to aid reporting of CBCT images of root resorption associated with an impacted tooth...
October 7, 2016: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/27725317/timing-of-dental-development-in-osteogenesis-imperfecta-patients-with-and-without-bisphosphonate-treatment
#11
Ilkka Vuorimies, Heidi Arponen, Helena Valta, Outi Tiesalo, Marja Ekholm, Helena Ranta, Marjut Evälahti, Outi Mäkitie, Janna Waltimo-Sirén
Bisphosphonates have established their role as medical therapy for pediatric osteogenesis imperfecta (OI) patients. Since bisphosphonates have also been shown to delay tooth development in animal models, we aimed to assess whether the medication has a similar effect on children with OI. In this cross-sectional study, bisphosphonate-treated OI patients of whom dental panoramic tomograph was taken between 3 and 16years of age formed the study group. The patients, 22 in total, had been treated with pamidronate, zoledronic acid or risedronate for at least one year before the radiography...
January 2017: Bone
https://www.readbyqxmd.com/read/27703617/stunted-root-development-a-rare-dental-complication-of-stevens-johnson-syndrome
#12
Aditi Sangwan, Hans-Raj Saini, Pankaj Sangwan, Parveen Dahiya
Stevens-Johnson syndrome (SJS) is a severe cutaneous reaction seen rarely in clinical practice. Most often, it occurs as an adverse reaction to certain drugs. When it affects children at a very young age, arrested tooth root development may also be seen. We present a case of a 13 year old boy who suffered from SJ syndrome at the age of 7 years. Incomplete root development was observed in all teeth, as demonstrated by panaromic radiography. Clinical features of this condition and its management are further discussed...
October 2016: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/27694788/impacted-maxillary-canines-and-root-resorption-of-adjacent-teeth-a-retrospective-observational-study
#13
R Guarnieri, C Cavallini, R Vernucci, M Vichi, R Leonardi, E Barbato
BACKGROUND: The prevalence of impacted maxillary canine is reported to be between 1% and 3%. The lack of monitoring and the delay in the treatment of the impacted canine can cause different complications such as: displacement of adjacent teeth, loss of vitality of neighbouring teeth, shortening of the dental arch, follicular cysts, canine ankylosis, recurrent infections, recurrent pain, internal resorption of the canine and the adjacent teeth, external resorption of the canine and the adjacent teeth, combination of these factors...
November 1, 2016: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/27681391/diagnostic-accuracy-of-direct-digital-radiography-and-conventional-radiography-for-proximal-caries-detection-in-primary-teeth-a-systematic-review
#14
Sivakumar Nuvvula, Jayachandra Reddy Bhumireddy, Rekhalakshmi Kamatham, Sreekanth Kumar Mallineni
OBJECTIVE: The present study was conducted to uncover the diagnostic accuracy of digital versus conventional radiographic methods for the detection of proximal caries in primary teeth. METHODS: Two researchers independently involved in the search process to explore Medical Subject Heading terms "dental digital radiography," "dental radiography," "bitewing," "dental caries," and "primary teeth" using PubMed, Cochrane Library, Ovid SP, and SIGLE databases. Search was confined to the articles published in English language only, with time period limit January 1996 to April 2014 and a hand search was performed to retrieve additional citations...
October 2016: Journal of the Indian Society of Pedodontics and Preventive Dentistry
https://www.readbyqxmd.com/read/27652253/computed-tomography-will-the-slices-reveal-the-truth
#15
REVIEW
Harish Haridas, Abarajithan Mohan, Sravanthi Papisetti, Kranti K R Ealla
With the advances in the field of imaging sciences, new methods have been developed in dental radiology. These include digital radiography, density analyzing methods, cone beam computed tomography (CBCT), magnetic resonance imaging, ultrasound, and nuclear imaging techniques, which provide high-resolution detailed images of oral structures. The current review aims to critically elaborate the use of CBCT in endodontics.
August 2016: Journal of International Society of Preventive & Community Dentistry
https://www.readbyqxmd.com/read/27632261/the-impact-of-force-transmission-on-narrow-body-dental-implants-made-of-commercially-pure-titanium-and-titanium-zirconia-alloy-with-a-conical-implant-abutment-connection-an-experimental-pilot-study
#16
Katja Nelson, Rainer Schmelzeisen, Thomas D Taylor, Simon Zabler, Wolfram Wiest, Tobias Fretwurst
PURPOSE: The purpose of this study was to visualize the mode and impact of force transmission in narrowdiameter implants with different implant-abutment designs and material properties and to quantify the displacement of the abutment. MATERIALS AND METHODS: Narrow-diameter implants from two manufacturers were examined: Astra 3.0-mm-diameter implants (Astra OsseoSpeed TX; n = 2) and Straumann Bone Level implants with a 3.3-mm diameter made of commercially pure titanium (cpTi) Gr...
September 2016: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/27632256/accuracy-of-digital-versus-conventional-periapical-radiographs-to-detect-misfit-at-the-implant-abutment-interface
#17
Bruno Fernando Cançado Oliveira, Claudia Scigliano Valerio, Wellington Corrêa Jansen, Elton Gonçalves Zenóbio, Flávio Ricardo Manzi
PURPOSE: Misfit is a risk factor for rehabilitation with implants, and its detection is of fundamental importance to the success of treatment with implants. The use of appropriate radiographic imaging is key for a good prognosis. The aim of this study was to compare the efficacy of film and digital radiographs for the detection of misfit at the implant-abutment interface. MATERIALS AND METHODS: Digital and conventional (manual and automatic processing) radiography was performed in seven test specimens, each one with a different vertical misfit between the abutment and the platform of the implant...
September 2016: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/27617376/dental-pulp-revascularization-of-necrotic-permanent-teeth-with-immature-apices
#18
Eman A El Ashiry, Najat M Farsi, Sawsan T Abuzeid, Mohamed M El Ashiry, Hammam A Bahammam
OBJECTIVES: The treatment of immature necrotic teeth with apical periodontitis presents challenges in endodontic and pediatric dentistry. Revascularization is a recent treatment for such cases as an alternative to conventional apexification. The purpose is to examine the effect of a pulpal revascularization procedure on immature necrotic teeth with apical periodontitis. STUDY DESIGN: Twenty patients were enrolled for pulp revascularization procedure by root canal disinfection using a triple antibiotic mixture for 1-2 weeks, followed by creating a blood clot, sealing the root canal orifice using white mineral trioxide aggregate and a coronal seal of composite resin...
2016: Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/27605989/frequency-and-pattern-of-idiopathic-osteosclerosis-and-condensing-osteitis-lesions-in-panoramic-radiography-of-iranian-patients
#19
Farrokh Farhadi, Mohammad Razavi Ruhani, Ali Zarandi
BACKGROUND: The purpose of this study was to investigate of radiographic pattern and relative frequency of idiopathic osteosclerosis (IO) and condensing osteitis (CO) in panoramic radiographs. MATERIALS AND METHODS: Totally 411 panoramic radiographies were randomly selected from patients referred to Radiology Department of Faculty of Dentistry, Tabriz University of Medical Sciences. Descriptive characteristics of radiopacities, including shape, border, localization, and dental relationship, were recorded...
July 2016: Dental Research Journal
https://www.readbyqxmd.com/read/27604062/oral-and-dental-diseases-in-a-population-of-domestic-ferrets-mustela-putorius-furo
#20
A Nemec, M Zadravec, J Račnik
OBJECTIVE: Domestic ferrets have been used for many purposes, but recently their popularity as companion animals has increased greatly. However, data on their oral and dental diseases are rare. The objective of this study was therefore to describe oral and dental diseases in a population of client-owned domestic ferrets. METHODS: In this cross-sectional clinical study, detailed oral and dental examination and full-mouth dental radiographs were performed in 57 client-owned ferrets...
October 2016: Journal of Small Animal Practice
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