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The International Journal of Oral & Maxillofacial Implants



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Int J Oral Maxillofac Implants 12 (1997), No. 2     1. Mar. 1997
Int J Oral Maxillofac Implants 12 (1997), No. 2  (01.03.1997)

Page 237-242

A Multicenter Retrospective Analysis of the ITI Implant System Used for Single-Tooth Replacements: Preliminary Results at 6 or More Months of Loading
Levine / Clem III / Wilson jr. / Higginbottom / Saunders
This report involves the retrospective evaluation of ITI implants placed by a group of 12 clinicians located throughout the United States. Of the 174 single implants placed in 129 patients, 151 implants (86.8%) were placed in posterior regions, and 23 were placed in anterior regions; 54.6% of the implants had a length of 10 mm or less. Ninety-two implants were restored with a screw-retained crown, and 82 were restored with a cemented crown (in function 6 months or longer). The survival rate at 6 months was 97.7%. Occlusal screw loosening had an 8.7% occurrence rate (no repeated loosening), and solid conical abutment loosening had a 3.6% occurrence rate (all in one patient). Significant radiographic bone loss was observed on 2.3% of the implants. Data suggest that ITI implants can be a satisfactory choice for posterior single tooth restorations.