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Dental radiography

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https://www.readbyqxmd.com/read/28208057/vertical-alveolar-distraction-osteogenesis-of-the-atrophic-posterior-mandible-before-dental-implant-insertion
#1
Adi Rachmiel, Dekel Shilo, Dror Aizenbud, Omri Emodi
PURPOSE: Augmentation of deficient mandibular posterior alveolar ridges poses a great challenge because of extensive bone deficiency and the presence of the inferior alveolar nerve. This study sets its focus on vertical alveolar distraction osteogenesis (ADO) at the posterior mandible before dental implant placement. MATERIALS AND METHODS: The study included 21 sites in 18 patients with severe mandibular posterior alveolar ridge deficiency. A trapezoidal osteotomy was performed, and an extraosseous alveolar distraction device was fixed and activated after a 4-day latency period at a rate of 0...
January 21, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28194533/the-diagnostic-accuracy-of-a-laser-fluorescence-device-and-digital-radiography-in-detecting-approximal-caries-lesions-in-posterior-permanent-teeth-an-in-vivo-study
#2
R Menem, I Barngkgei, N Beiruti, I Al Haffar, Easter Joury
The aim of this in vivo study was to test the diagnostic accuracy of a pen-type laser fluorescence (LFpen) device in detecting approximal caries lesions, in posterior permanent teeth, at the cavitation and non-cavitation thresholds, and compare it with that of digital bitewing radiography. Thirty patients (aged 18-37), who attended the Faculty of Dentistry at Damascus University for a dental examination, were consecutively screened. Ninety approximal surfaces of posterior permanent teeth without frank cavitations, enamel hypoplasia or restorations were selected and examined using the LFpen (DIAGNOdent pen) and digital bitewing radiography...
February 14, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28194401/clinical-application-of-cone-beam-computed-tomography-of-the-rabbit-head-part-2-dental-disease
#3
G G Riggs, Derek D Cissell, Boaz Arzi, David C Hatcher, Philip H Kass, Amy Zhen, Frank J M Verstraete
Domestic rabbits are increasing in popularity as household pets; therefore, veterinarians need to be familiar with the most common diseases afflicting rabbits including dental disease. Current diagnostic approaches include gross oral examination, endoscopic oral examination, skull radiography, and computed tomography (CT). Cone beam computed tomography (CBCT), a new oral and maxillofacial imaging modality that has the capability to produce high-resolution images, has not yet been described for use in evaluating dental disease in rabbits...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28194343/the-effect-of-a-condylar-repositioning-plate-on-condylar-position-and-relapse-in-two-jaw-surgery
#4
Gyu Sik Jung, Taek Kyun Kim, Jeong Woo Lee, Jung Dug Yang, Ho Yun Chung, Byung Chae Cho, Kang Young Choi
BACKGROUND: Numerous condylar repositioning methods have been reported. However, most of them are 2-dimensional or are complex procedures that require a longer operation time and a highly trained surgeon. This study aims to introduce a new technique using a condylar repositioning plate and a centric relation splint to achieve a centric relationship. METHODS: We evaluated 387 patients who had undergone surgery for skeletal jaw deformities. During the operation, a centric relation splint, intermediate splint, final centric occlusion splint, and condylar repositioning plate along with an L-type mini-plate for LeFort I osteotomy or a bicortical screw for bilateral sagittal split ramus osteotomy were utilized for rigid fixation...
January 2017: Archives of Plastic Surgery
https://www.readbyqxmd.com/read/28184020/tube-shift-or-tube-tilt-the-terminology-of-dental-radiography-is-heterogeneous-relative-to-radiological-convention
#5
A Wk Yeung
No abstract text is available yet for this article.
February 2017: Hong Kong Medical Journal, Xianggang Yi Xue za Zhi
https://www.readbyqxmd.com/read/28111498/establishment-of-local-diagnostic-reference-levels-for-quality-control-in-intraoral-radiography
#6
Maki Izawa, Yasuo Harata, Noriyoshi Shiba, Nobuhide Koizumi, Tomonori Ozawa, Nobutoshi Takahashi, Yasuhiko Okumura
OBJECTIVE: To investigate the dosage and imaging conditions for patients undergoing intraoral radiography at Meikai University Hospital and establish assurance and quality control data. METHODS: Tube voltage, exposure time, and air kinetic energy released per unit mass (air kerma) of three intraoral radiography units were measured. To calculate the patient entrance dose (PED) for each radiograph using Insight film, we extracted data for 1063 patients from their exposure records...
2017: Oral Radiology
https://www.readbyqxmd.com/read/28095522/correlation-between-resonance-frequency-analysis-and-bone-quality-assessments-at-dental-implant-recipient-sites
#7
Min-Wen Fu, Earl Fu, Fu-Gong Lin, Wei-Jeng Chang, Yao-Dung Hsieh, E-Chin Shen
PURPOSE: To evaluate whether primary implant stability could be used to predict bone quality, the association between the implant stability quotient (ISQ) value and the bone type at the implant site was evaluated. MATERIALS AND METHODS: Ninety-five implant sites in 50 patients were included. Bone type (categorized by Lekholm and Zarb) at the implant site was initially assessed using presurgical dental radiography. During the preparation of the implant site, a bone core specimen was carefully obtained...
January 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28047348/tu-fg-209-09-mathematical-estimation-and-experimental-measurement-of-patient-free-in-air-skin-entrance-exposure-during-a-panoramic-dental-x-ray-procedure
#8
A Errico, R Behrman, B Li
PURPOSE: To develop a simple mathematical model for estimating the patient free-in-air skin entrance exposure (SEE) during a panoramic dental x-ray that does not require the use of a head phantom. This eliminates issues associated with phantom centering and the mounting of a detector on the phantom for routine QC testing. METHODS: We used a Sirona Orthophos XG panoramic radiographic unit and a Radcal Accu-Gold system for this study. A solid state detector was attached over the slit of the Orthophos' sensor with the help of a custom-built jig...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047066/we-ab-bra-11-improved-imaging-of-permanent-prostate-brachytherapy-seed-implants-by-combining-an-endorectal-x-ray-sensor-with-a-ct-scanner
#9
J Steiner, K Matthews, G Jia
PURPOSE: To test feasibility of the use of a digital endorectal x-ray sensor for improved image resolution of permanent brachytherapy seed implants compared to conventional CT. METHODS: Two phantoms simulating the male pelvic region were used to test the capabilities of a digital endorectal x-ray sensor for imaging permanent brachytherapy seed implants. Phantom 1 was constructed from acrylic plastic with cavities milled in the locations of the prostate and the rectum...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28035301/brazilian-young-dental-practitioners-use-and-acceptance-of-digital-radiographic-examinations
#10
Karla Rovaris, Karla de Faria Vasconcelos, Eduarda Helena Leandro do Nascimento, Matheus Lima Oliveira, Deborah Queiroz Freitas, Francisco Haiter-Neto
PURPOSE: The aim of this study was to investigate the use and acceptance of digital radiographic examinations by Brazilian dental practitioners in daily practice and to evaluate the advances that have occurred over the past 5 years. MATERIALS AND METHODS: Dental practitioners enrolled in extension courses at the Piracicaba Dental School, University of Campinas, Brazil, responded to a self-administered questionnaire in the years 2011 and 2015. They were asked about sociodemographic factors and their knowledge and use of digital radiographic examinations...
December 2016: Imaging Science in Dentistry
https://www.readbyqxmd.com/read/28000152/inactivation-of-bone-morphogenetic-protein-1-bmp1-and-tolloid-like-1-tll1-in-cells-expressing-type-i-collagen-leads-to-dental-and-periodontal-defects-in-mice
#11
Hua Zhang, Priyam Jani, Tian Liang, Yongbo Lu, Chunlin Qin
Bone morphogenetic protein 1 (BMP1) and tolloid-like 1 (TLL1) belong to the BMP1/tolloid-like proteinase family, which cleaves secretory proteins. The constitutive deletion of the Bmp1 or Tll1 genes causes perinatal or embryonic lethality in mice. In this study, we first studied the β-galactosidase activity in mice in which an IRES-lacZ-Neo cassette was inserted in the intron of either the Bmp1 or the Tll1 gene; the β-galactosidase activities were used to reflect the expression of endogenous Bmp1 and Tll1, respectively...
December 20, 2016: Journal of Molecular Histology
https://www.readbyqxmd.com/read/27999465/finger-imaging-by-radiovisiography-digital-dental-radiography-imaging-system
#12
Pandurangan Harikrishnan
No abstract text is available yet for this article.
December 2016: Journal of Hand and Microsurgery
https://www.readbyqxmd.com/read/27984430/cone-beam-computed-tomography-heralding-new-vistas-in-appropriate-diagnosis-and-efficient-management-of-incidentally-found-impacted-mesiodens
#13
Vikrant Dilip Sane, Sanjay Chandan, Sujay Patil, Krishna Patil
As dentistry continues to go "digital," the field has seen a phenomenal increase in the use of digital imaging in dental practice. Complex impacted mesiodens present potential treatment complications and sometimes possible patient morbidity. Objectives of diagnostic imaging are to aid in diagnosis, decision making, and enhance treatment outcomes. As cases become more complex, sophisticated multiplane imaging methods allowing for a three-dimensional view are more likely to meet these objectives as opposed to traditional two-dimensional radiography...
December 14, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27975042/predictive-values-derived-from-lower-wisdom-teeth-developmental-stages-on-orthopantomograms-to-calculate-the-chronological-age-in-adolescence-and-young-adults-as-a-prerequisite-to-obtain-age-adjusted-informed-patient-consent-prior-to-elective-surgical-procedures
#14
Reinhard E Friedrich, Kirsten Schmidt, András Treszl, Jan F Kersten
Introduction: Surgical procedures require informed patient consent, which is mandatory prior to any procedure. These requirements apply in particular to elective surgical procedures. The communication with the patient about the procedure has to be comprehensive and based on mutual understanding. Furthermore, the informed consent has to take into account whether a patient is of legal age. As a result of large-scale migration, there are eventually patients planned for medical procedures, whose chronological age can't be assessed reliably by physical inspection alone...
2016: GMS Interdisciplinary Plastic and Reconstructive Surgery DGPW
https://www.readbyqxmd.com/read/27938943/correlation-of-upper-airway-radiographic-measurements-with-risk-status-for-obstructive-sleep-apnea-syndrome-in-young-dental-patients
#15
Mehmet Zahit Adisen, Melda Misirlioglu, Serap Yorubulut, Rana Nalcaci
OBJECTIVE: The aim of the present study is to compare radiographic measurements of the upper airway (UA) in young adult patients with different levels of risk status for obstructive sleep apnea syndrome. STUDY DESIGN: The study included 50 patients between 18 and 30 years of age who were referred for dental examination and evaluation of impacted third molars. Case record forms, including habit history, along with the Berlin Questionnaire and the Epworth Sleepiness Scale, were completed by the patients and their relatives...
January 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/27883287/definition-classification-and-retrospective-analysis-of-photostimulable-phosphor-image-artefacts-and-errors-in-intraoral-dental-radiography
#16
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
#17
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
#18
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
#19
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
#20
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
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