搜索结果: 1-13 共查到“口腔正畸学 Panoramic”相关记录13条 . 查询时间(0.177 秒)
A Cephalostat for Panoramic Radiography.
Thyroid Radiation Dose During Panoramic and Cephalometric Dental X-ray Examinations
Thyroid Radiation Dose Panoramic and Cephalometric Dental X-ray Examinations
2009/3/9
Thyroid Radiation Dose During Panoramic and Cephalometric Dental X-ray Examinations.
Analysis of Panoramic Cephalometrics Using a Skeletal Cephalostat
Panoramic Cephalometrics Skeletal Cephalostat
2009/3/8
Analysis of Panoramic Cephalometrics Using a Skeletal Cephalostat.
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...
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...
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...
Assessment of Root Resorption and Root Shape：Periapical vs Panoramic Films
Radiographic examination Diagnosis and treatment planning Risk factors Root resorption
2008/12/26
A radiographic examination is an essential part of the diagnostic process in orthodontics. However, what radiographs are needed to properly evaluate root shape and position? Most clinicians order ...
Validity of Panoramic Radiographs for Measuring Mandibular Asymmetry
Mandibular asymmetry Panoramic Laminograph TMJ
2008/11/19
The objective of this study is to evaluate the accuracy of panoramic radiographs for diagnosing vertical asymmetry of the posterior mandible. The first part of the study used a model to evaluate the r...
Incidental Findings of Pathology and Abnormality in Pretreatment Orthodontic Panoramic Radiographs
Orthodontics Pretreatment panoramic radiographs Pathology Abnormality
2008/11/14
Panoramic radiographs, in combination with a clinical examination, are routinely used as an aid to orthodontic diagnosis and treatment planning. The aim of this study was to evaluate the prevalence ...
Mesiodistal Root Angulation Using Panoramic and Cone Beam CT
Root angulation Cone beam CT Panoramic projection
2008/11/4
Objective: To determine if the panoramic projection can accurately determine mesiodistal root angulations.Materials and Methods: A plaster study model of the dentition of each of five patients was pre...
Near-End of Treatment Panoramic Radiograph in the Assessment of Mesiodistal Root Angulation
Panoramic radiograph Root angulation Mesiodistal
2008/10/30
Objectives: To test the hypothesis that there is no difference between the actual mesiodistal root angulation and the mesiodistal root angulation as measured on the panoramic radiograph.Materials and ...
Displaced Premolars in Panoramic Radiography—Fact or Fallacy?
Displacement Second premolar Tooth angulation Panoramic radiography Lateral
2008/10/29
Objective: To test the null hypothesis that there is no difference between premolar position visualized on panoramic radiographs (PRs) and lateral headfilms (LHs).
Materials and Methods: The prevalen...