Radiographic verification of implant abutment seating
Identifieur interne : 009896 ( Main/Exploration ); précédent : 009895; suivant : 009897Radiographic verification of implant abutment seating
Auteurs : Stephen M. Cameron ; Anthony Joyce ; J. Stephen Brousseau ; M. Harry ParkerSource :
- The Journal of Prosthetic Dentistry [ 0022-3913 ] ; 1998.
English descriptors
- KwdEn :
- Abutment, Angle increases, Angular configuration, Angulation, Assistant director, Cameron, Central beam, Complete seating, Computer statistics program, Correct diagnosis, Crestal bone height, Dentistry, Diagnostic acceptability, Diagnostic accuracy, Diagnostic radiograph, Diagnostic value, Eggan holder, Eisenhower army, Film angle, Film tube head, Imaging radiation, Implant, Implant abutment, Implant abutments, Implant mating surface, Locking sleeve, Long axis, Longitudinal study, Marginal openings, Mating surface, Maximum angle, Nobel biocare, Open position, Opening changes, Patient comfort, Pearson test, Prosthet dent, Prosthetic, Prosthetic dentistry, Prosthetic dentistry cameron, Prosthodontic residency program, Pythagorean theorem, Radiation path, Radiograph, Radiographic verification, Radiology personnel, Rectangular shape, Sensor holder, Standard abutment, Tube head, Tube head angle, Tube head angle increases, Tube head angulation, Vertical relation.
- Teeft :
- Abutment, Angle increases, Angular configuration, Angulation, Assistant director, Cameron, Central beam, Complete seating, Computer statistics program, Correct diagnosis, Crestal bone height, Dentistry, Diagnostic acceptability, Diagnostic accuracy, Diagnostic radiograph, Diagnostic value, Eggan holder, Eisenhower army, Film angle, Film tube head, Imaging radiation, Implant, Implant abutment, Implant abutments, Implant mating surface, Locking sleeve, Long axis, Longitudinal study, Marginal openings, Mating surface, Maximum angle, Nobel biocare, Open position, Opening changes, Patient comfort, Pearson test, Prosthet dent, Prosthetic, Prosthetic dentistry, Prosthetic dentistry cameron, Prosthodontic residency program, Pythagorean theorem, Radiation path, Radiograph, Radiographic verification, Radiology personnel, Rectangular shape, Sensor holder, Standard abutment, Tube head, Tube head angle, Tube head angle increases, Tube head angulation, Vertical relation.
Abstract
Abstract: Statement of problem. It is possible to incorrectly seat an abutment on an external hex implant. Purpose. This study investigated the theoretical and practical limits of radiographic verification of the complete seating of implant abutments on external hex implants. Material and methods. A positioning device that could accurately place the film and/or tube head in any vertical relation desired relative to the implant and abutment was fabricated. For all records, a standard abutment was secured to the implant in both a fully seated position (closed) and with the abutment turned approximately 30 degrees and seated atop the implant external hex (open). Digital radiographs were made with the tube head fixed perpendicular to the implant and the film angled at 0, 5, 10, 15, 20, 25, 30, 35, 40, and 45 degrees. The film was then positioned parallel to the implant and the tube head was angled at 0, 5, 10, 15, 20, 25, 30, 35, 40, and 45 degrees. An image of each position was shown to 36 dentists and they were asked if the image was diagnostic for determining the status of the implant/abutment interface. Results. The data were analyzed with a computer statistics program. The group with the tube head changed was analyzed with the Cochran's Q test and revealed a statistically significant (p < 0.0001) change in the diagnostic value of radiographs beginning at 20 degrees. The group with the film angle changed was analyzed with a Pearson chi-square and showed no statistical difference (p = 0.394) for the diagnostic value of any of the film angles. Conclusion. Maintaining the tube head to less than 20 degrees from perpendicular to the long axis of the implant resulted in a diagnostic radiograph, regardless of the angle of the film. (J Prosthet Dent 1998;79:298-303.)
Url:
DOI: 10.1016/S0022-3913(98)70241-0
Affiliations:
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Le document en format XML
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Abutment</term>
<term>Angle increases</term>
<term>Angular configuration</term>
<term>Angulation</term>
<term>Assistant director</term>
<term>Cameron</term>
<term>Central beam</term>
<term>Complete seating</term>
<term>Computer statistics program</term>
<term>Correct diagnosis</term>
<term>Crestal bone height</term>
<term>Dentistry</term>
<term>Diagnostic acceptability</term>
<term>Diagnostic accuracy</term>
<term>Diagnostic radiograph</term>
<term>Diagnostic value</term>
<term>Eggan holder</term>
<term>Eisenhower army</term>
<term>Film angle</term>
<term>Film tube head</term>
<term>Imaging radiation</term>
<term>Implant</term>
<term>Implant abutment</term>
<term>Implant abutments</term>
<term>Implant mating surface</term>
<term>Locking sleeve</term>
<term>Long axis</term>
<term>Longitudinal study</term>
<term>Marginal openings</term>
<term>Mating surface</term>
<term>Maximum angle</term>
<term>Nobel biocare</term>
<term>Open position</term>
<term>Opening changes</term>
<term>Patient comfort</term>
<term>Pearson test</term>
<term>Prosthet dent</term>
<term>Prosthetic</term>
<term>Prosthetic dentistry</term>
<term>Prosthetic dentistry cameron</term>
<term>Prosthodontic residency program</term>
<term>Pythagorean theorem</term>
<term>Radiation path</term>
<term>Radiograph</term>
<term>Radiographic verification</term>
<term>Radiology personnel</term>
<term>Rectangular shape</term>
<term>Sensor holder</term>
<term>Standard abutment</term>
<term>Tube head</term>
<term>Tube head angle</term>
<term>Tube head angle increases</term>
<term>Tube head angulation</term>
<term>Vertical relation</term>
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<term>Angle increases</term>
<term>Angular configuration</term>
<term>Angulation</term>
<term>Assistant director</term>
<term>Cameron</term>
<term>Central beam</term>
<term>Complete seating</term>
<term>Computer statistics program</term>
<term>Correct diagnosis</term>
<term>Crestal bone height</term>
<term>Dentistry</term>
<term>Diagnostic acceptability</term>
<term>Diagnostic accuracy</term>
<term>Diagnostic radiograph</term>
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<term>Eggan holder</term>
<term>Eisenhower army</term>
<term>Film angle</term>
<term>Film tube head</term>
<term>Imaging radiation</term>
<term>Implant</term>
<term>Implant abutment</term>
<term>Implant abutments</term>
<term>Implant mating surface</term>
<term>Locking sleeve</term>
<term>Long axis</term>
<term>Longitudinal study</term>
<term>Marginal openings</term>
<term>Mating surface</term>
<term>Maximum angle</term>
<term>Nobel biocare</term>
<term>Open position</term>
<term>Opening changes</term>
<term>Patient comfort</term>
<term>Pearson test</term>
<term>Prosthet dent</term>
<term>Prosthetic</term>
<term>Prosthetic dentistry</term>
<term>Prosthetic dentistry cameron</term>
<term>Prosthodontic residency program</term>
<term>Pythagorean theorem</term>
<term>Radiation path</term>
<term>Radiograph</term>
<term>Radiographic verification</term>
<term>Radiology personnel</term>
<term>Rectangular shape</term>
<term>Sensor holder</term>
<term>Standard abutment</term>
<term>Tube head</term>
<term>Tube head angle</term>
<term>Tube head angle increases</term>
<term>Tube head angulation</term>
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<front><div type="abstract" xml:lang="en">Abstract: Statement of problem. It is possible to incorrectly seat an abutment on an external hex implant. Purpose. This study investigated the theoretical and practical limits of radiographic verification of the complete seating of implant abutments on external hex implants. Material and methods. A positioning device that could accurately place the film and/or tube head in any vertical relation desired relative to the implant and abutment was fabricated. For all records, a standard abutment was secured to the implant in both a fully seated position (closed) and with the abutment turned approximately 30 degrees and seated atop the implant external hex (open). Digital radiographs were made with the tube head fixed perpendicular to the implant and the film angled at 0, 5, 10, 15, 20, 25, 30, 35, 40, and 45 degrees. The film was then positioned parallel to the implant and the tube head was angled at 0, 5, 10, 15, 20, 25, 30, 35, 40, and 45 degrees. An image of each position was shown to 36 dentists and they were asked if the image was diagnostic for determining the status of the implant/abutment interface. Results. The data were analyzed with a computer statistics program. The group with the tube head changed was analyzed with the Cochran's Q test and revealed a statistically significant (p < 0.0001) change in the diagnostic value of radiographs beginning at 20 degrees. The group with the film angle changed was analyzed with a Pearson chi-square and showed no statistical difference (p = 0.394) for the diagnostic value of any of the film angles. Conclusion. Maintaining the tube head to less than 20 degrees from perpendicular to the long axis of the implant resulted in a diagnostic radiograph, regardless of the angle of the film. (J Prosthet Dent 1998;79:298-303.)</div>
</front>
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<tree><noCountry><name sortKey="Brousseau, J Stephen" sort="Brousseau, J Stephen" uniqKey="Brousseau J" first="J. Stephen" last="Brousseau">J. Stephen Brousseau</name>
<name sortKey="Cameron, Stephen M" sort="Cameron, Stephen M" uniqKey="Cameron S" first="Stephen M." last="Cameron">Stephen M. Cameron</name>
<name sortKey="Joyce, Anthony" sort="Joyce, Anthony" uniqKey="Joyce A" first="Anthony" last="Joyce">Anthony Joyce</name>
<name sortKey="Parker, M Harry" sort="Parker, M Harry" uniqKey="Parker M" first="M. Harry" last="Parker">M. Harry Parker</name>
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