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Dentomaxillofacial Radiology, Vol 29, Issue 1 46-51, Copyright © 2000 by British Institute of Radiology

ARTICLES

Accuracy of implant treatment planning utilizing template-guided reformatted computed tomography

C. E. Besimo, J. T. Lambrecht and J. S. Guindy
Department of Prosthodontics, School of Dentistry, University of Basel, Basel, Switzerland.

OBJECTIVES: To evaluate the magnitude of error in transferring the planned position of implants from reformatted CT scans to a surgical template. METHODS: The deviation between the position of the apex of the proposed implant in paraxial CT reformats and on the corresponding study cast was measured in 77 prospective sites in five maxillas and nine mandibles. RESULTS: The transfer error was 0.6 (s.d. 0.4) mm in the maxilla and 0.3 (s.d. 0.4) mm in the mandible. CONCLUSIONS: The transfer errors detected in this investigation are not clinically relevant. Other factors involved in transferring positional and angular measurements from reformatted CT to the surgical site may result in more significant errors.


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J. Dantas, A Montebello Filho, and P. Campos
Computed tomography for dental implants: the influence of the gantry angle and mandibular positioning on the bone height and width
Dentomaxillofac. Radiol., January 1, 2005; 34(1): 9 - 15.
[Abstract] [Full Text] [PDF]


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