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Volume 25 , Issue 4
July/August 2012

Pages 357-359

Comparison of Implant-Supported Crown Length Measured on Digitized Casts and Intraoral Radiographs

Henny J.A. Meijer, DDS, PhD/Gerdien Telleman, DDS/Chawan Gareb, DDS/Laurens Den Hartog, DDS, PhD/Arjan Vissink, DDS, MD, PhD/Gerry M. Raghoebar, DDS, MD, PhD

PMID: 22720286

Correct measurement of crown length is important for calculating the crown-implant ratio. The aim of this study was to compare the length of implant-supported crowns measured on digitized casts and intraoral radiographs. Crown lengths were studied in 50 patients with 86 implant-supported crowns in the posterior region. The mean length of implant-supported crowns was 9.83 1.72 mm on three-dimensional models and 10.99 1.91 mm on radiographs, which is a statistically significant difference (P < .001). It can be concluded that a new gold standard for crown measurement should be defined. Int J Prosthodont 2012;25:357359.

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