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Volume 14 , Issue 1
January/February 1999
Pages 77–85

Tube Angulation Effect on Radiographic Analysis of the Implant-Abutment Interface

M. Begoña Ormaechea, MD, DDS, Phillip Millstein, DDS, MSc, Hiroshi Hirayama, DDS, MSc

PMID: 10074756

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. (Int J Oral Maxillofac Implants 1999;14:77–85) Key words: abutment fit, dental implant, film positioner, interface, radiographs, tube angulation

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