New electronic imaging capabilities afforded by the use of linear charged-couple device
arrays allow acquisition of three-dimensional information through simultaneous recordings …

Purpose: The purpose of this study was to investigate the effect of head position changes on
vertical and horizontal magnification in dental panoramic radiographs. Materials and …

The purpose of this study was to investigate how image magnification in dental panoramic
radiography is influenced by object position. Five metal balls (4 mm in diameter, 2 for the …

Purpose: To clarify the magnification error caused by the degree of tilt of the incisor and the
elevation of the X-ray focus position, and the verification effect of magnification correction …

Panoramic radiography is the most commonly used equipment in the dental field, but there
is no comprehensive standard about how to evaluate the spatial resolution of panoramic …

Objectives The purpose of our study was to investigate how image magnification and
distortion in dental panoramic radiography are influenced by object size and position for a …

Objective: To map the shape, location, and thickness of the focal trough of a panoramic
radiography device with a multilayer imaging program. Methods: An acrylic plate (148× 148× …

Materials and methods Twenty radiographs taken with each apparatus from a human dry
skull were scanned. Hori-zontal, vertical and angular dimensions were measured on the …

Magnification factors (VF) in relation to various head positions were evaluated for a digital
panoramic radiography machine (Orthophos DS, Sirona) by means of a dry skull phantom …

Panoramic radiographs are commonly used in dental practice. The challenge with
panoramic radiography is overlapping structures, ghost and air shadows. The area of …