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Biomedical subjects

D Fishel

Publications and source records attributed to D Fishel.

13 recordsLinked to original sources
PubMed1984

A 4 year follow-up study of alveolar bone height influenced by two dissimilar Class II amalgam restorations.

Fifty-four paired, approximal amalgam fillings, extended (E) versus unextended (NE) were placed in forty-three patients and followed up to 4 years. Yearly measurements between the alveolar crest and (a) the apical margin of the fillings (E, NE), and (b) the cemento-enamel junction of the control group, were performed using bite-wing radiographs joined to a translucent grid magnified ten-fold. The rate of alveolar crest resorption was similar for the control (C) and the unextended filling (NE) and reached 0.45 mm after 4 years of follow-up. The resorption of the alveolar crest under the extended (E) filling was significantly higher and reached 0.80 mm after 4 years (P less than 0.001).

Adolescent↗
PubMed1980

Zygomatic arch interference with correct radiographic diagnosis in maxillary molar endodontics.

Five hundred twenty-four periapical radiographs taken with the bisecting-angle technique were evaluated for interference of the zygomatic arch with the apical third of the roots of the first and second upper molars. The number of interferences around the second molar apices was much larger (42 percent average) than those around the first molar apices (20 percent average). For endodontic radiographic diagnosis of the upper two molars, the bisecting-angle technique has proved to be unreliable.

Humans↗
PubMed1978

Letters received.

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Dentistry↗
PubMed1977

Panoramic radiography in dentistry.

Examples of panoramic radiography equipment in use are briefly reviewed and the differences pointed out between those operating on the principle of tomography and other "panoramic" instruments. The various uses to which panoramic radiography is put are described and the problems involved in using them explained. The advantages and disadvantages of panoramic radiography are listed and comparisons drawn between the degree of clarity and precision for diagnosis obtained with it as against that obtained using normal periapical radiographs.

Adult↗
PubMed1976

Roentgenologic study of the mental foramen.

Locating the mental foramen in periapical radiographs is of great clinical importance. One thousand full-mouth intraoral radiographs were examined, and the location of the mental foramen in both the horizontal and the vertical planes was registered. In the horizontal plane 70 per cent of the mental foramina were found to be located between the two premolars, and 22 per cent were in the apical area of the premolars. In the vertical plane the highest percentage of mental foramina was found to be located superior to the level of the apices of the premolars.

Bicuspid↗