1. The type of x-ray machine is an important factor in roentgenographic cephalometry
because of the long Focal-Film distance involved. A more powerful x-ray machine than a …

Dr. SRLZMANN, as chairman OE the Cephalometric Workshop Committee, outlined the
purpose of t, he Workshop: to define ccphalometric points and planes, to standardize …

These measurements and compari-sons are possible because a cephalometric film is made
with the patient, film, and x-ray tube all in known posi-tions. Some of these positions are not …

Observer agreement on cephalometric landmarks was compared between xeroradiographs
and conventional radiographs of twenty-nine patients. Of fourteen landmarks evaluated, four …

Enlargement is a result of the inherent property of X-rays to proceed on straight lines
diverging from the source or anode which is a very small area or “point." The rays diverge …

THE vALUE of all X-ray pictures depends on three major properties. They are (1) the proper
contrast in density,(2) sharpness of detail and (3) the degree of distortion of figure. Improved …

Cephalometrics has proved a valuable tool in the gross study of growth and treatment
changes in the hard tissues. However, our use of cephalometrics in assessing the anatomic …

The literature on the physics, the radiation hazard, and the current medicodental
applications of xeroradiography is reviewed. A study is presented on estimating the effect of …

Roentgenographic cephalometry has emerged from the research laboratory to become a
diagnostic necessity in the clinician's operatory. On the surface it would seem that this …

Twenty-four orthodontists were asked to provide a treatment plan for a series of six cases of
malocclusion. In certain types of cases there was high or total agreement on treatment …