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Panoramic Radiography

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https://www.readbyqxmd.com/read/29150021/uncertainty-about-the-accuracy-of-panoramic-radiography-for-detecting-asymptomatic-apical-lesions-owing-to-limitations-in-a-study-assessing-the-performance-of-this-method
#1
Romina Brignardello-Petersen
No abstract text is available yet for this article.
November 11, 2017: Journal of the American Dental Association
https://www.readbyqxmd.com/read/29135328/when-the-solution-becomes-a-problem-an-educational-discussion
#2
Gustavo Frainer Barbosa
Presenting patients with the opportunity to restore their smiles using dental implants, which is a reliable and widely accepted technique, is highly recommended. Therefore, a correct clinical judgment and a, consequently, dental implant treatment planning is a central component of a good practice of implant dentistry. Moreover, to the oral clinician be able to make better decisions and reach a more accurate clinical judgment, it is necessary continuing professional development being, this development, an essential professional activity for dentists that intend planning implant treatments...
November 14, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29123998/feasibility-of-dentascan-in-planning-of-implant-surgery-in-posterior-maxilla-and-mandible
#3
Siddhartha Chandel, Nishi Singh, Amiya Agrawal, Harmurti Singh, H Nandakumar
Objectives: The present evaluate the feasibility of Computed tomography (Dentascan), in assessment of the implant site in posterior maxilla & mandible. Material and Methods: data of total 11 patients with 20 implant sites were involved in the present study. Out of the 20 implant sites selected 10 were in posterior maxilla and 10 in posterior mandible. All the patients were routinely examined by panoramic radiography and CT. All images obtained i.e., conventional panoramic radiograph, and film based Dentascan MPR- CT images were evaluated for the detectability of mandibular canal at the mental foramen, 1 cm, 2 cm, and 3 cm posterior to mental foramen...
September 2017: Journal of Oral Biology and Craniofacial Research
https://www.readbyqxmd.com/read/29103902/morphological-analysis-of-the-lower-second-premolar-for-age-estimation-of-korean-adults
#4
Jeong-Hee Lee, Chena Lee, Bulgan Battulga, Ji Yeon Na, Jae Joon Hwang, Young Hyun Kim, Sang-Sun Han
OBJECTIVES: This study aimed to examine the applicability of the pulp/tooth area ratio in the lower premolar teeth using panoramic radiography in age estimation of Korean adults. METHODS: 402 digital panoramic images of Korean adults between 20 and 78 years were analyzed. Following Cameriere et al.'s method, two observers measured the pulp and tooth areas of the lower second premolar on digital panoramic images, and the ratio of pulp to tooth area in the whole tooth (PTR) was calculated...
October 13, 2017: Forensic Science International
https://www.readbyqxmd.com/read/29102600/relationship-between-occlusal-features-and-enzyme-replacement-therapy-in-patients-with-mucopolysaccharidoses
#5
Dmitry José de Santana Sarmento, Thiara Karine de Araújo, Germana de Queiroz Tavares Borges Mesquita, Denise Nóbrega Diniz, Fátima Roneiva Alves Fonseca, Paula Frassinetti V Medeiros, Maria Teresa Botti Rodrigues Dos Santos, Gustavo Pina Godoy
PURPOSE: The aim of this study was describe the relation between occlusal features and enzyme replacement therapy in patients with mucopolysaccharidoses. MATERIALS AND METHODS: A cross-sectional study was conducted. The sample consisted of 20 patients with mucopolysaccharidoses, 10 of whom were undergoing treatment at a hospital in northeast Brazil. Occlusal features were evaluated by clinical examination and panoramic radiography. A structured questionnaire was administered to evaluate the dental care of each patient...
October 13, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29093979/respiratory-epithelium-lined-cyst-of-the-maxilla-differential-diagnosis
#6
C P Martinelli-Kläy, S Chatelain, F Salvado, T Lombardi
Maxillary cysts, including the cysts lined by respiratory epithelium, can present a diagnostic challenge. We report an unusual case of a maxillary cyst on an endodontically treated tooth #16, in which the cavity was totally lined by a respiratory epithelium. The patient, a 35-year-old male, presented with a generalized chronic periodontitis and complained of a pain in the tooth #16 region. A periodontal pocket extending to the root apices with pus coming out from the gingival was found. A combined endodontic periodontal was observed on a panoramic radiography...
2017: Case Reports in Pathology
https://www.readbyqxmd.com/read/29075525/chest-wall-underappreciated-structure-in-sonography-part-i-examination-methodology-and-ultrasound-anatomy
#7
REVIEW
Andrzej Smereczyński, Katarzyna Kołaczyk, Elżbieta Bernatowicz
Chest wall ultrasound has been awarded little interest in the literature, with chest wall anatomy described only in limited extent. The objective of this study has been to discuss the methodology of chest wall ultrasound and the sonographic anatomy of the region to facilitate professional evaluation of this complex structure. The primarily used transducer is a 7-12 MHz linear one. A 3-5 MHz convex (curvilinear) transducer may also be helpful, especially in obese and very muscular patients. Doppler and panoramic imaging options are essential...
September 2017: Journal of Ultrasonography
https://www.readbyqxmd.com/read/29075029/radiographic-prediction-of-inferior-alveolar-nerve-injury-in-third-molar-surgery
#8
Sergio Uribe
Data sourcesMedline, Embase, relevant dental journals, reference lists of included studies and the World Health Organisation International Clinical Trials Registry.Study selectionStudies evaluating the predictive accuracy of panoramic radiography for postoperative inferior alveolar nerve (IAN) injury reporting on at least one of the seven signs of IAN injury and providing data to calculate false-positive (FP), true-positive (TP), false-negative (FN) and true-negative (TN) proportions were included.Data extraction and synthesisData were abstracted independently by two reviewers...
October 27, 2017: Evidence-based Dentistry
https://www.readbyqxmd.com/read/29063384/peroxiredoxin-i-expression-in-epithelial-cells-of-buccal-mucosa-from-patients-exposed-to-panoramic-x-rays-influence-of-the-age
#9
Milena B Silva, Ana P D Demasi, Elizabeth F Martinez, Maristane L Goudinho, Joarlene M Soares, José L C Junqueira, Ney S Araujo
OBJECTIVES: The aim of this study was to evaluate peroxiredoxin I (Prx I) participation in the cellular antioxidant response to low-dose X-rays through the analysis of its expression in buccal mucosa cells from patients of different ages following panoramic dental radiography. MATERIALS AND METHODS: Of the 50 patients included in this study, oral mucosa cells from six adults were collected for the immunofluorescence cytological analysis. The other 44 patients, 11 patients aged below 20 years; 22 patients aged between 20 and 50 years; and 11 patients aged above 50 years, were submitted to panoramic dental radiography, and oral mucosa cells were collected for the gene expression analysis before and 1 hour after exposure...
October 23, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29059942/characterization-of-dental-pathologies-using-digital-panoramic-x-ray-images-based-on-texture-analysis
#10
Divya K Veena, Anand Jatti, Revan Joshi, Krishna S Deepu
Dental caries and the cysts of jaws are frequently occurring pathologies encountered in a dental practice. Imaging of these dental anomalies is done with radiographic examination. Panoramic radiography/ Orthopantomography (OPG) is a common modality to screen patients with an advantage of ease of imaging and reduced exposure to patients. The panoramic images obtained with this equipment are exploited by noise embedded during its acquisition making the detection of this dental caries difficult. Detection and characterization of dental caries and various other maxilla-facial pathologies can be achieved by the application of computer aided image processing algorithms applied on dental panoramic images...
July 2017: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/29016734/the-impact-of-cone-beam-ct-on-financial-costs-and-orthodontists-treatment-decisions-in-the-management-of-maxillary-canines-with-eruption-disturbance
#11
Helena Christell, Stephen Birch, Lars Bondemark, Keith Horner, Christina Lindh
Background: Examination with Cone Beam CT (CBCT) is common for localizing maxillary canines with eruption disturbance. The benefits and costs of these examinations are unclear. Objectives: To measure: 1. the proportion of orthodontists' treatment decisions that were different based on intraoral and panoramic radiography (M1) compared with CBCT and panoramic radiography (M2); and 2. the costs of producing different treatment plans, regarding patients with maxillary canines with eruption disturbance...
June 24, 2017: European Journal of Orthodontics
https://www.readbyqxmd.com/read/28989904/central-giant-cell-lesion-of-the-mandible-in-a-2-year-old-girl
#12
Takaaki Oda, Mikiko Sue, Yasuo Okada, Yoriaki Kanri, Junya Ono, Ichiro Ogura
Central giant cell lesions are rare, benign, osteolytic, pseudocystic, solitary, localized lesions that are common in the skeletal structure, but less so in the maxillofacial region. Furthermore, to perform panoramic radiography and cone-beam computed tomography, it is necessary to prepare patients properly and to position their heads carefully. However, this can be difficult in pediatric patients, who may be anxious. In this report, we describe the case of a central giant cell lesion of the mandible in a 2-year-old girl that was evaluated with multidetector computed tomography...
September 2017: Imaging Science in Dentistry
https://www.readbyqxmd.com/read/28977295/genotoxicity-and-cytotoxicity-of-x-rays-in-children-exposed-to-panoramic-radiography
#13
Evelyn Louise Antonio, Aguinaldo José do Nascimento, Antonio Adilson Soares de Lima, Maria Suely Soares Leonart, Ângela Fernandes
OBJECTIVE: To assess the genotoxicity and cytotoxicity produced by X-rays in the epithelium of the oral mucosa of infants exposed to panoramic radiography. METHODS: The sample consisted of 30 healthy children, 19 females and 11 males, ranging in age from 4 to 10 years (average of 7 years of age). Oral mucosa cells were collected by liquid-based cytology immediately before and after seven days following the exposure to panoramic radiography. Smears were processed and stained using the modified Feulgen Rossenbeck technique...
July 2017: Revista Paulista de Pediatria: Orgão Oficial da Sociedade de Pediatria de São Paulo
https://www.readbyqxmd.com/read/28967087/analysis-of-mandibular-changes-using-panoramic-based-indices-in-patients-with-chronic-renal-failure
#14
Cansu K Secgin, Cemal K Kulah, Ayşe Gulsahi
INTRODUCTION: Chronic renal failure (CRF) is a progressive disease affecting many systems and causing dental and periodontal problems, in particular a decrease or loss in the amount of cortical bone that is visible on radiographs. Panoramic radiography is useful for determining these changes. The aim of this study was to evaluate cortical parts of the mandible using panoramic-based indices in patients with CRF. METHODS: 70 subjects with CRF were included in the study...
September 29, 2017: International Journal of Artificial Organs
https://www.readbyqxmd.com/read/28965893/an-investigation-in-to-the-impact-of-acquisition-location-on-error-type-and-rate-when-undertaking-panoramic-radiography
#15
A Loughlin, N Drage, C Greenall, D J J Farnell
INTRODUCTION: Panoramic radiography is a common radiographic examination carried out in the UK. This study was carried out to determine if acquisition site has an impact on image quality. METHODS: An image quality audit was carried out in South Wales across a number of dental and general radiology settings. The image quality was assessed retrospectively against national standards. A total of 174 radiographs were assessed from general radiology departments and 141 from dental radiology units...
November 2017: Radiography
https://www.readbyqxmd.com/read/28937280/lingual-tonsillolith-prevalence-and-imaging-characteristics-evaluated-on-2244-pairs-of-panoramic-radiographs-and-ct-images
#16
Akira Takahashi, Chieko Sugawara, Keiko Kudoh, Yoshiko Yamamura, Go Ohe, Tetsuya Tamatani, Youji Miyamoto
OBJECTIVES: Lingual tonsilloliths are not as well-known to radiologists than palatine tonsilloliths, although they might be common in clinical practice. The aim of this investigation was to clarify the prevalence and imaging characteristics of lingual tonsilloliths using panoramic radiographs and CT images. METHODS: This study included 2244 patients without pathology at the base of tongue who had undergone panoramic radiography and CT of the maxillofacial region...
October 27, 2017: Dento Maxillo Facial Radiology
https://www.readbyqxmd.com/read/28933802/invesigation-of-prevalence-of-dental-anomalies-by-using-digital-panoramic-radiographs
#17
Nebiha Hilal Bilge, Selin Yeşiltepe, Kübra Törenek Ağırman, Fatma Çağlayan, Osman Murat Bilge
BACKGROUND: This study was performed to evaluate the prevalence of all types and subtypes of dental anomalies among 6 to 40 year-old patients by using panoramic radiographs. MATERIALS AND METHODS: This cross-sectional study was conducted by analyzing digital panoramic radiographs of 1200 patients admitted to our clinic in 2014. Dental anomalies were examined under 5 types and 16 subtypes. Dental anomalies were divided into five types: (a) number (including hypodontia, oligodontia and hyperdontia); (b) size (including microdontia and macrodontia); (c) structure (including amelogenesis imperfecta, dentinogenesis imperfecta and dentin dysplasia); (d) position (including transposition, ectopia, displacement, impaction and inversion); (e) shape (including fusion-gemination, dilaceration and taurodontism); RESULTS: The prevalence of dental anomalies diagnosed by panoramic radiographs was 39...
September 21, 2017: Folia Morphologica (Warsz)
https://www.readbyqxmd.com/read/28871830/comparison-of-panoramic-radiography-and-cone-beam-ct-in-the-assessment-of-juxta-apical-radiolucency
#18
Eduarda Helena Leandro Nascimento, Anne Caroline Costa Oenning, Bernardo Barbosa Freire, Hugo Gaêta-Araujo, Francisco Haiter-Neto, Deborah Queiroz Freitas
OBJECTIVES: To compare the performance of panoramic radiography (PAN) and cone beam CT (CBCT) in the detection of juxta-apical radiolucency (JAR), as well as to investigate, in CBCT images, if there are factors associated with the detection of JAR on PAN. METHODS: Two oral radiologists assessed the presence of JAR in PAN and CBCT images of 175 individuals (308 mandibular third molars). The cortical plates involvement and the JAR size and location were assessed on CBCT to evaluate if these factors were related to JAR detection on PAN...
November 1, 2017: Dento Maxillo Facial Radiology
https://www.readbyqxmd.com/read/28840885/-non-standard-panoramic-programmes-and-the-unusual-artefacts-they-produce
#19
S Harvey, F Ball, J Brown, B Thomas
Dental panoramic radiographs (DPTs) are commonly taken in dental practice in the UK with the number estimated to be 2.7 million per annum. They are used to diagnose caries, periodontal disease, trauma, pathology in the jaws, supernumerary teeth and for orthodontic assessment. Panoramic radiographs are not simple projections but involve a moving X-ray source and detector plate. Ideally only the objects in the focal trough are displayed. This is achieved with a tomographic movement and one or more centre(s) of rotation...
August 25, 2017: British Dental Journal
https://www.readbyqxmd.com/read/28839483/efficacy-of-panoramic-radiography-in-the-detection-of-osteoporosis-in-post-menopausal-women-when-compared-to-dual-energy-x-ray-absorptiometry
#20
Shambulingappa Pallagatti, Priyanka Parnami, Soheyl Sheikh, Deepak Gupta
OBJECTIVE: It is a well-known fact that osteoporosis affects the people with old age and remains unnoticeable until the patient presents with fracture. Various studies in the literature reveal that panoramic radiographs may prove to be beneficial in the detection of Osteoporosis in patients. Henceforth this present study was aimed to validate the use of Klemetti Index (KI) on panoramic radiographs so as to detect osteoporosis in the patients at an early stage. METHODS: 60 postmenopausal women were selected...
2017: Open Dentistry Journal
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