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Panoramic Radiography

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https://www.readbyqxmd.com/read/28937280/lingual-tonsillolith-prevalence-and-imaging-characteristics-evaluated-on-2244-pairs-of-panoramic-radiographs-and-ct-images
#1
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 computed tomography (CT) images. SUBJECTS AND METHODS: This study included 2244 patients without pathology at the base of tongue who underwent panoramic radiography and CT of the maxillofacial region...
September 20, 2017: Dento Maxillo Facial Radiology
https://www.readbyqxmd.com/read/28933802/invesigation-of-prevalence-of-dental-anomalies-by-using-digital-panoramic-radiographs
#2
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
#3
Eduarda Hl Nascimento, Anne Cc Oenning, Hugo Gaêta-Araujo, Francisco Haiter-Neto, Bernardo B Freire, Deborah Q Freitas
OBJECTIVES: To compare the performance of panoramic radiography (PAN) and cone beam computed tomography (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...
September 5, 2017: Dento Maxillo Facial Radiology
https://www.readbyqxmd.com/read/28840885/-non-standard-panoramic-programmes-and-the-unusual-artefacts-they-produce
#4
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
#5
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
https://www.readbyqxmd.com/read/28822678/signs-of-disease-occur-in-the-majority-of-third-molars-in-an-adult-population
#6
I Ventä, M M Vehkalahti, S Huumonen, A L Suominen
The purpose of this study was to assess clinical and radiographic signs of disease in third molars within a population that is representative of the Finnish adult population aged 30 years and older. A two-stage stratified cluster sampling method was used to collect the 6005 subjects, who were examined clinically and also by panoramic radiography. The state of impaction, presence of dentinal caries and/or restorations, presence of root canal fillings, periodontal pocket depth, and additional pathological findings such as over-eruption and widened follicle were assessed...
August 16, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28821340/computed-tomography-may-not-reduce-the-risk-and-severity-of-inferior-alveolar-nerve-injury-after-third-molar-extraction-compared-with-panoramic-radiography
#7
Romina Brignardello-Petersen
No abstract text is available yet for this article.
August 11, 2017: Journal of the American Dental Association
https://www.readbyqxmd.com/read/28808451/prevalence-of-taurodont-molars-in-a-selected-iranian-adult-population
#8
Davoud Jamshidi, Maryam Tofangchiha, Nasim Jafari Pozve, Mahdis Mohammadpour, Bijan Nouri, Kazem Hosseinzadeh
INTRODUCTION: Taurodontism is an anomaly characterized by elongated crowns and consumedly apical location of the bifurcation area. This study aimed to determine the prevalence of taurodontism in molars based on digital panoramic radiographies in eight cities of Iran. METHODS AND MATERIALS: This descriptive cross-sectional study was conducted on 2360 digital panoramic radiographs taken for different treatment purposes. Demographic information of patients was recorded and radiographs were evaluated for presence of taurodont molars...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/28756362/massive-bleeding-after-a-tooth-extraction-diagnosis-of-unknown-arteriovenous-malformation-of-the-mandible-a-case-report
#9
Nasr Hasnaoui, Eric Gérard, Etienne Simon, Julie Guillet
INTRODUCTION: Arteriovenous malformations (AVMs) are very rare. Only 5% of them occurs in the jaws but they can manifest with dramatic bleeding and be life-threatening. PRESENTATION OF CASE: We report the case of a 11-year-old healthy girl who presented a massive hemorrhage after extraction of the right mandibular first primary molar. This patient received a blood transfusion and was hospitalized in pediatric intensive care unit. CT angiography highlighted an AVM of the mandible...
2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28743664/comparative-analysis-of-imaging-techniques-for-diagnostic-accuracy-of-peri-implant-bone-defects-a-meta-analysis
#10
REVIEW
Lauren Oliveira Lima Bohner, Eduardo Mukai, Elisa Oderich, André Luís Porporatti, Camila Pacheco-Pereira, Pedro Tortamano, Graziela De Luca Canto
OBJECTIVE: The aim of this study was to systematically review the literature regarding diagnostic accuracy of imaging techniques in detecting peri-implant bone defects. STUDY DESIGN: The search was performed in 8 electronic databases from April to May 2016 and updated in September 2016. Studies that assessed imaging techniques to detect peri-implant bone defects were analyzed. RESULTS: The search yielded 680 articles published from 1991 to 2016...
June 23, 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/28713732/effect-of-low-intensity-pulsed-ultrasound-on-postorthognathic-surgery-healing-process
#11
Azita Tehranchi, Mohamadreza Badiee, Farnaz Younessian, Mohamadreza Badiei, Sahar Haddadpour
BACKGROUND: Orthognathic surgery can cause discomforts such as pain, inflammation, and edema. One of the challenges is bone regeneration at surgery area. The aim of this study is to evaluate the effect of low-intensity pulsed ultrasound (LIPUS) therapy on bone regeneration and pain relief after surgery. MATERIALS AND METHODS: Following mandibular surgery of nine patients, LIPUS treatment was applied to the left or right side for 3 weeks and 20 min/day. The other side was treated with sham-LIPUS as the control group...
January 2017: Annals of Maxillofacial Surgery
https://www.readbyqxmd.com/read/28707523/strut-analyses-for-detecting-osteoporosis-using-dental-panoramic-radiography
#12
Jae Joon Hwang, Jeong-Hee Lee, Young Hyun Kim, Ho-Gul Jeong, Yoon Jeong Choi, Wonse Park, Sang-Sun Han
OBJECTIVES: The aim of this study was to identify variables that can be used for osteoporosis detection using strut analysis, fractal dimension (FD), and the gray level co-occurrence matrix (GLCM) using multiple regions of interest (ROIs) and to develop an osteoporosis detection model based on panoramic radiography. METHODS: A total of 454 panoramic radiographs from oral examinations in our dental hospital from 2012 to 2015 were randomly selected, equally distributed among osteoporotic and non-osteoporotic patients (n=227 in each group)...
July 14, 2017: Dento Maxillo Facial Radiology
https://www.readbyqxmd.com/read/28702064/osseous-choristoma-of-submental-region-a-rare-occurrence
#13
Khushboo Sahay, Priyanka Kardam, Monica Mehendiratta, Shweta Rehani, Nisha Singh
Osseous choristoma is a rare, benign lesion of the oral cavity. This report presents a case of osseous choristoma in the submental region of a 30-year-old female subject. Her chief complaint was a painless swelling in the submental region. Panoramic radiography showed a well-defined, round, radiopaque lesion near the inferior border of the left mental region. The lesion was diagnosed as an osseous choristoma based on the histopathological examination of the surgical specimen. This paper is an attempt to bring forward a unique occurrence of osseous choristoma, which would further help the medical fraternity in improvising their knowledge, diagnosis, and treatment of this entity...
May 2017: Dental Research Journal
https://www.readbyqxmd.com/read/28688152/effects-of-mesiodens-on-adjacent-permanent-teeth-a-retrospective-study-in-korean-children-based-on-cone-beam-computed-tomography
#14
Yuhyun Kim, Taesung Jeong, Jiyeon Kim, Jonghyun Shin, Shin Kim
BACKGROUND: Mesiodens can be associated with several complications. The optimal age for treatment, however, remains controversial. AIM: To investigate the three-dimensional (3D) positions of mesiodens using cone-beam computed tomography (CBCT) and determine the association of eruption-related complications of mesiodens with these 3D positions and delayed development of the central incisors. DESIGN: In total, 293 Korean children (383 supernumerary teeth) aged 4-10 years with no history of orthodontic treatment were included...
July 8, 2017: International Journal of Paediatric Dentistry
https://www.readbyqxmd.com/read/28680846/effectiveness-of-digital-subtraction-radiography-in-detecting-artificially-created-osteophytes-and-erosions-in-the-temporomandibular-joint
#15
Husniye Demirturk Kocasarac, Peruze Celenk
PURPOSE: Erosions and osteophytes are radiographic characteristics that are found in different stages of temporomandibular joint (TMJ) osteoarthritis. This study assessed the effectiveness of digital subtraction radiography (DSR) in diagnosing simulated osteophytes and erosions in the TMJ. MATERIALS AND METHODS: Five intact, dry human skulls were used to assess the effectiveness of DSR in detecting osteophytes. Four cortical bone chips of varying thicknesses (0...
June 2017: Imaging Science in Dentistry
https://www.readbyqxmd.com/read/28680845/dilemma-of-gonial-angle-measurement-panoramic-radiograph-or-lateral-cephalogram
#16
Pillai Devu Radhakrishnan, Nilambur Kovilakam Sapna Varma, Vallikat Velath Ajith
PURPOSE: The purpose of this study was to evaluate the accuracy of panoramic imaging in measuring the right and left gonial angles by comparing the measured angles with the angles determined using a lateral cephalogram of adult patients with class I malocclusion. MATERIALS AND METHODS: The gonial angles of 50 class I malocclusion patients (25 males and 25 females; mean age: 23 years) were measured using both a lateral cephalogram and a panoramic radiograph. In the lateral cephalograms, the gonial angle was measured at the point of intersection of the ramus plane and the mandibular plane...
June 2017: Imaging Science in Dentistry
https://www.readbyqxmd.com/read/28674379/the-reliability-of-panoramic-radiography-versus-cone-beam-computed-tomography-when-evaluating-the-distance-to-the-alveolar-nerve-in-the-site-of-lateral-teeth
#17
Gabrielė Česaitienė, Kęstutis Česaitis, Jonas Junevičius, Tadas Venskutonis
BACKGROUND The aim of this study was to compare the reliability of panoramic radiography (PR) and cone beam computed tomography (CBCT) in the evaluation of the distance of the roots of lateral teeth to the inferior alveolar nerve canal (IANC). MATERIAL AND METHODS 100 PR and 100 CBCT images that met the selection criteria were selected from the database. In PR images, the distances were measured using an electronic caliper with 0.01 mm accuracy and white light x-ray film reviewer. Actual values of the measurements were calculated taking into consideration the magnification used in PR images (130%)...
July 4, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28638558/impacted-lower-third-molars-and-distal-caries-in-the-mandibular-second-molar-is-prophylactic-removal-of-lower-third-molars-justified
#18
José Marques, Marta Montserrat-Bosch, Rui Figueiredo, Miguel-Angel Vilchez-Pérez, Eduard Valmaseda-Castellón, Cosme Gay-Escoda
BACKGROUND: The objective of this study was to evaluate the association between the presence of mandibular third molars and the occurrence of carious lesions in the distal aspect of the mandibular second molar. MATERIAL AND METHODS: A retrospective cohort study comprising 327 lower third molars extracted in the Oral Surgery and Implantology Master's Degree program of the School of Dentistry of the University of Barcelona (Barcelona, Spain) was carried out. A descriptive and bivariate analysis was made...
June 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28621278/assessment-of-root-resorption-and-root-shape-by-periapical-and-panoramic-radiographs-a-comparative-study
#19
Puneeta D Ahuja, Sheetal P Mhaske, Gaurav Mishra, Atul Bhardwaj, Ruby Dwivedi, Sachin B Mangalekar
INTRODUCTION: One of the common findings encountered by the clinician at the end of orthodontic treatment is the apical root resorption. Root resorption occurs to various degrees. A severe form of root resorption is characterized by shortening of root for more than 4 mm or more than one-third of the total tooth length. A low incidence rate of resorption is observed based on radiographic findings for the diagnosis of root resorption, panoramic radiography, and periapical radiography. Hence, we evaluated the accuracy of panoramic radiographic films for assessing the root resorption in comparison with the periapical films...
June 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28584324/absorbed-doses-for-patients-undergoing-panoramic-radiography-cephalometric-radiography-and-cbct
#20
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
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