PubMed · 265323
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G A Kempster. 1977. Charting perio pockets.. https://doi.org/10.14219/jada.archive.1977.0354
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A brief history of informed consent and introduction of the "Informed Consent Treatment Report" (ICTR) is presented. The ICTR is a document developed in 1984 that combines the requirements of informed consent and the elements of good treatment planning and presentation to achieved improved patient and practice management. An outline of the parts and sections of the ICTR is included as a guide for preparing an informed consent and treatment planning document.
A system for producing holograms and for three-dimensional measuring on holograms is described. The precision of the system was evaluated when three-dimensional measurements were made on (1) a holographic image superimposed on the corresponding object and (2) two superimposed holographic images of the same object. When a metal test object with sharp well-defined contours, easy to reorientate was used, the precision was 0.02 to 0.11 mm for x, y, and z coordinates (transverse, longitudinal, and vertical planes). When dental casts that have less distinct contours were used, precision was reduced to 0.03 to 0.43 mm. Precision was high for the x and y coordinates and satisfactory for the z coordinate. The system has a precision that is equal to that of previously reported methods and may be well-suited for studies of dental positional changes in longitudinal materials of study models. Holograms of dental casts may solve storage problems by replacing space consuming plaster models.