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The International Journal of Oral & Maxillofacial Implants
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Int J Oral Maxillofac Implants 14 (1999), No. 1     15. Feb. 1999
Int J Oral Maxillofac Implants 14 (1999), No. 1  (15.02.1999)

Page 77-85


Tube Angulation Effect on Radiographic Analysis of the Implant-Abutment Interface
Ormaechea, M. Begoña / Millstein, Phillip / Hirayama, Hiroshi
The purpose of this study was to determine the maximum permissible x-ray tube angulation that can be used to verify the fit of an abutment. An implant and an abutment were assembled with an abutment screw. A variety of openings were created between the abutment and the implant. Radiographs were taken combining the different gaps with various x-ray tube angulations. The radiographs were randomly presented to 8 clinicians, who judged the interface as open or closed. The results indicate that a radiographic analysis of interface openings becomes subjective with tube angulations of more than 5 degrees.

Keywords: abutment fit, dental implant, film positioner, interface, radiographs, tube angulation