J Korean Assoc Oral Maxillofac Surg.  2012 Apr;38(2):85-89. 10.5125/jkaoms.2012.38.2.85.

Multicenter clinical study on the hydrodynamic piezoelectric internal sinus elevation (HPISE) technique

• Lee HJ
• Moon JW
• Lee JH
• Park IS
• Kim NH
• Sohn DS

• KMID: 2189696
• DOI: http://doi.org/10.5125/jkaoms.2012.38.2.85

Abstract

OBJECTIVES
This study was to evaluate the effect of vertical bone gain and success rate and analyze the failure cases using the hydrodynamic piezoelectric internal sinus elevation (HPISE) technique.
MATERIALS AND METHODS
Patients who had been operated in the three centers including Daegu Catholic University Medical Center were selected for this study. The mucoperiosteal flap was elevated, and the sinus floor was then broken by specially designed piezoelectric insert, with hydraulic pressure applied to the sinus membrane for even elevation. Afterward, implants were placed. Panoramic radiogram or computed tomogram was taken before and after surgery and at the second operation and prosthesis placement. Later, changes in vertical height were measured and compared. The survival rate was based on the criteria of Buser et al. and Cochran et al.
RESULTS
In this study, 8 implants failed out of a total of 169 implants, resulting a success rate of 95.3%. These failure cases were due to insufficient initial stability or sinus membrane perforation. The mean of radiographic vertical height change at prosthesis placement was 5.7 mm (0.5-10.5 mm).
CONCLUSION
In this study, HPISE technique was found to be a predictable treatment for atrophic maxilla and an alternative technique to the lateral approach.

Keyword

Hydrodynamic piezoelectric internal sinus elevation; Hydraulic pressure; Crestal approach; Piezosurgery

MeSH Terms

Academic Medical Centers
Floors and Floorcoverings
Humans
Hydrodynamics
Maxilla
Membranes
Piezosurgery
Prostheses and Implants
Survival Rate

Figure

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  Fig. 1 The sinus floor was perforated with the hydrodynamic piezoelectric internal sinus elevation insert, and hydraulic pressure was applied for a few seconds.

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  Fig. 2 Bone graft material was inserted under the elevated sinus membrane using amalgam carrier.

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  Fig. 3 Implant was placed.

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  Fig. 4 Measurement of vertical bone height. A. Before surgery. B. After surgery. C. Second operation. D. Prosthesis placement.

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