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Dental radiography

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https://www.readbyqxmd.com/read/28095522/correlation-between-resonance-frequency-analysis-and-bone-quality-assessments-at-dental-implant-recipient-sites
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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
#12
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
#13
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
#14
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
#15
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
#16
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
#17
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
#18
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
#19
REVIEW
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...
December 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
#20
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
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