搜索结果: 1-15 共查到“口腔正畸学 Radiography”相关记录17条 . 查询时间(0.071 秒)
Literature review Digital Subtraction Radiography in Dentistry
Literature review Digital Subtraction Radiography Dentistry
2009/4/2
Introduction: Radiographs provide unique information about the status of periodontium and
permanent records of condition of bone throughout the course of the disease. Interproximal images record th...
Radiography of the Temporomandibular Joint in Orthodontics
Radiography Temporomandibular Joint Orthodontics
2009/3/16
Radiography of the Temporomandibular Joint in Orthodontics.
A Cephalostat for Panoramic Radiography.
Enlargement and Distortion in Cephalometric Radiography：Compensation Tables for Linear Measurements
Enlargement and Distortion Cephalometric Radiography Linear Measurements
2009/3/5
Enlargement and Distortion in Cephalometric Radiography: Compensation Tables for Linear Measurements.
Artifacts Due to Movement in Rotational Panoramic Radiography
Movement Rotational Panoramic Radiography
2009/3/2
Artifacts caused by movement in rotational panoramic radiology and in conventional radiography are very different. Artifacts originating from disturbed movement of the x-ray source as well as from m...
Distortion and Other Errors in Oblique Cephalometric Radiography
CEPHALOMETRICS LATERAL JAW RADIOGRAPHY RADIOGRAPHY X-RAY
2009/3/2
An evaluation of image distortion and serial variation in oblique cephalometric radiography. Reduction of inaccuracies from these sources is best achieved by aligning images of the inferior border o...
One practitioner's approach to minimizing patient exposure in diagnostic x-ray procedures in an individual orthodontic practice.
Imaging Characteristics of New Screen/Film Systems for Cephalometric Radiography
cephalometrics radiation dose radiation risk radiographic imaging systems x-ray
2009/2/28
The advent of rare-earth screen/film combinations has brought substantial x-ray dose reductions with minimal loss in imaging quality. The physical charateristics of these recording systems are des...
A radiolucent head holder for the Pancentric Panorex dental x-ray machine is constructed and evaluated. Features include a wooden pointer to orient the head in the midsagittal plane, movable compo...
Combined Cephalometric and Transcranial Radiography of the Rat Condyle
CEPHALOMETRICS GROWTH IMPLANTS RAT TRANSCRANIAL RADIOGRAPHY
2009/2/26
A technique for using implants to superimpose oriented transcranial and cephalometric images for the study of mandibular growth in the rat.
An experimental quantification of changes in position of cephalometric images caused by variation in head rotation in successive radiographs.
Digital imaging of cephalometric radiography, part 1：advantages and limitations of digital imaging
Cephalometry Digital imaging
2009/1/9
Digital imaging has several potential advantages over traditional cephalometry. These include storage, transmission, and enhancement of images, reduced exposure to radiation for patients, and the poss...
The Effect of Vertical and Horizontal Head Positioning in Panoramic Radiography on Mesiodistal Tooth Angulations
Axial inclination Root parallelism Head rotation Patient positioning
2008/12/29
The purposes of this study were to examine the effect of potentially common patient positioning errors in panoramic radiography on imaged mesiodistal tooth angulations and to compare these results...
Dose Reduction by Direct-Digital Cephalometric Radiography
Digital radiography Dosimetry Patient's exposure Dose reduction
2008/12/26
Patient radiation exposure was determined for conventional and direct-digital cephalometric radiography. An anthropomorphic phantom was positioned to expose lateral cephalographs from the patient'...