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The International Journal of Oral & Maxillofacial Implants



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Int J Oral Maxillofac Implants 15 (2000), No. 4     15. Aug. 2000
Int J Oral Maxillofac Implants 15 (2000), No. 4  (15.08.2000)

Page 491-499

Maxillary Ridge Expansion with Simultaneous Implant Placement: 5-Year Results of an Ongoing Clinical Study
Sethi, Ashok / Kaus, Thomas
With the technique of maxillary ridge expansion, 449 implants were placed in 150 patients and observed over a period of up to 93 months. Thin maxillary ridges of adequate height and comprising 2 separate cortical plates with intervening cancellous bone were selected for maxillary ridge expansion and simultaneous implant placement. Two-stage implants were used and allowed to heal in a closed environment for 6 months prior to loading. Single and multiple teeth were replaced using this technique, and an estimated mean survival rate better than 97% after a 5-year observation period was calculated (95% confidence interval of the mean survival estimation: 98% ± 1%). Good esthetic and functional outcomes were observed.

Keywords: alveolar ridge augmentation, dental implants, endosseous dental implantation, osteotomes, ridge expansion