PMID: 9553883Apr 29, 1998Paper

Radiographic verification of implant abutment seating

The Journal of Prosthetic Dentistry
S M CameronM H Parker

Abstract

It is possible to incorrectly seat an abutment on an external hex implant. This study investigated the theoretical and practical limits of radiographic verification of the complete seating of implant abutments on external hex implants. 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. 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) ...Continue Reading

Citations

Jul 19, 2012·Clinical Implant Dentistry and Related Research·Lisa A LangLily T Garcia
Dec 15, 2017·Journal of Prosthodontics : Official Journal of the American College of Prosthodontists·Hakimeh SiadatElaheh Beyabanaki
Aug 8, 2001·Clinical Oral Implants Research·R K Schulze, B d'Hoedt
Jun 17, 2014·Journal of Oral Science·Patrícia S CalderonBruno C V Gurgel
Jan 5, 2014·Implant Dentistry·Ivete Aparecida de Mattias SartoriMaria da Gloria Chiarello de Mattos
Aug 22, 2014·Journal of Oral Rehabilitation·G S LiedkeA Wenzel
Aug 10, 2010·Journal of Esthetic and Restorative Dentistry : Official Publication of the American Academy of Esthetic Dentistry ... [et Al.]·Harris PapavassiliouVasillios Chronopoulos
Feb 13, 2009·Implant Dentistry·Waldimir CarvalhoEliane Barboza
Jul 17, 2004·The Journal of Oral Implantology·Cherng-Tzeh ChouDeborah DesRosiers

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