搜索结果: 1-8 共查到“医学 Cephalometric Radiography”相关记录8条 . 查询时间(0.046 秒)
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.
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...
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...
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...
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'...
Landmark Identification Error in Posteroanterior Cephalometric Radiography
Reliability Landmark Identification Posteroanterior Frontal
2008/11/6
Objective: To evaluate the reliability of landmark identification in posteroanterior cephalometrics.Materials and Methods: A literature search was conducted to identify all articles concerning landmar...
Diagnosis of Nasopharyngeal Obstruction by Lateral Cephalometric Radiography
Adenoid Mouth breathing Nasopharyngeal Airway
2010/2/5
Statement of Problem: Nasopharyngeal obstruction by adenoid enlargement is one of the main causes of mouth breathing. Diagnostic indices of nasopharyngeal obstruction by lateral cephalometric radiogra...