Results 161 to 170 of about 4,191 (212)

Automatic classification of teeth in bitewing dental images

2004 International Conference on Image Processing, 2004. ICIP '04., 2005
We present an automated algorithm to classify teeth in bitewing dental images, using Bayesian classification, and assign an absolute number to each tooth based on common numbering system used in dentistry. Fourier descriptors of the contours of the molar and the premolar teeth in bitewing images are used in the Bayesian classification of these two ...
Mohammad H. Mahoor, Mohamed Abdel-Mottaleb   +1 more
openaire   +3 more sources

Dutch dentists' decisions to take bitewing radiographs

Community Dentistry and Oral Epidemiology, 1988
Abstract A postal questionnaire was sent to a 10% (n= 444) national random sample of Dutch dental practitioners. The response was 77% (n= 344). The practitioners prescribed bitewings on average for 57% of “new” 25‐yr‐old patients. Five significant (P < 0.05) variables explained 24% of the variation in bitewing prescribing for these “new” patients ...
Mileman, Philip, Van der Weele, Leo, Van de Poel, Fons, Purdell-Lewis, David   +3 more
openaire   +4 more sources

Clinical Detection of Caries in the Primary Dentition With and Without Bitewing Radiography

Australian Dental Journal, 2009
Background: Inadequate detection of caries in the primary dentition due to non-use of bitewing radiography is commonly encountered in paediatric practice.
Wan Kim Seow, B Newman
exaly   +2 more sources

Bitewing-kuvausohjelman kehitystyö ekstraoraaliseen hammasröntgenlaitteeseen

, 2019
Hammasklinikoilla käytettävät ekstraoraaliset hammasröntgenlaitteet, kuten KaVo OP 3D, mahdollistavat potilaan hampaiston monipuolisen kuvantamisen hammaslääkärin hoitopäätösten tukemiseksi. Näissä laitteissa eri tilanteisiin käytettävät kuvausohjelmat kuvaavat hampaistoa kukin eri tavalla.
Töysä, Antero
openaire   +2 more sources

Occlusal Caries Diagnosis in Molar Teeth From Bitewing and Panoramic Radiographs

Primary Dental Care, 2001
INTRODUCTION: Previous studies have implied that the panoramic radiograph was inferior to the bitewing radiograph for caries diagnosis. However, these clinical studies lacked a method of validation.
D N Ricketts, R F Wilson
exaly   +2 more sources

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The frequency of bitewing radiographs

Oral Surgery, Oral Medicine, Oral Pathology, 1986
A model for use in analyzing the implications of different rates of caries incidence and progression for the timing of bitewing radiographs was developed. Estimates of progression rates and incidence patterns were derived from an analysis of serial bitewing radiographs.
M, Shwartz, J S, Pliskin, H, Gröndahl, J, Boffa   +3 more
openaire   +2 more sources

Errors on dental bitewing radiographs

Community Dentistry and Oral Epidemiology, 1983
Abstract— The prevalence of common errors on posterior bitewing radiographs was assessed on 2409 pairs of films collected from different public dental clinics in the county of Buskerud, Norway. Only 4.6% fulfilled the criteria for correct bitewing radiographs. Incorrect position of the film was found in 42.7%. Exposures with wrong horizontal angulation
S, Nysether, B F, Hansen
openaire   +2 more sources

Caries, Bitewings, and Treatment Decisions

Australian Dental Journal, 2002
Background: The most common adjunct to the visual and tactile clinical examination for dental caries is the bitewing radiograph. The aim of this study was to report on treatment planning decisions made by Victorian dentists when given a range of predetermined radiographic scenarios.
P L B, Tan, R W, Evans, M V, Morgan
openaire   +2 more sources

Bitewing and Digital Bitewing Radiography for Detection of Caries Lesions

Journal of Dental Research, 2004
When radiography is applied in the clinic for caries detection, the recommended technique is bitewing projection (Gröndahl, 1994). This technique was introduced by Raper (1925) and has continued with only minor alterations. The aims of this report are to provide evidence for (1) optimal bitewing recording for individual examinations and clinical trials,
openaire   +2 more sources

Radiation doses in extraoral bitewing radiography compared with intraoral bitewing and panoramic radiography

Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
We compared the effective dose (E) and thyroid equivalent dose of 2 extraoral bitewing (EOBW) units and compared E with their respective panoramic (PAN) modes and with intraoral bitewing radiography (IOBW).Child and adult anthropomorphic phantoms with dosimeters were used to evaluate Orthophos SL, Rayscan α+, and 1 intraoral unit using rectangular and ...
Anne K. Dorsey, André Mol, Peter Green, John Ludlow, Brandon Johnson   +4 more
openaire   +2 more sources