J Korean Assoc Oral Maxillofac Surg 2009; 35(5): 346~352
THE USE OF AUTOLOGOUS VENOUS BLOOD FOR MAXILLARY SINUS FLOOR AUGMENTATION IN CONJUNCTION WITH THE SINUS MEMBRANE ELEVATION : AN EXPERIMENTAL STUDY
Ha-Rang Kim, Dong-Yub Mo, Chun-ui Lee, Jae-Ha Yoo, Byung-Ho Choi
© Korean Association of Oral and Maxillofacial Surgeons. All rights reserved.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
 Abstract
There have been reports of successful bone formation with sinus floor elevation by simply elevating the maxillary sinus membrane and filling the sinus cavity below the lifted sinus membrane with a blood clot. But, in a review of the current literature, we found no animal study that substantiated blood clot’s ability in this respect. The aim of this study was to investigate the effect of the method of maxillary sinus floor augmentation using the patient’s own venous blood in conjunction with a sinus membrane elevation procedure.
An implant was placed bilaterally in the maxillary sinus of six adult mongrel dogs so that it protruded 8 mm into the maxillary sinus after sinus membrane elevation. On one side of the maxillary sinus, the resultant space between the membrane and the sinus floor was filled with autologous venous blood retrieved from the dog. On the opposite side, the maxillary sinus was left untreated as a control. The implants were left in place for six months.
The mean height of the newly formed bone in the sinus was 3.7 mm on the side without venous blood and 3.5 mm on the side with venous blood(p>0.05). There was no difference between the two sides regarding new bone height in the sinus.
Our results indicate that filling the space between the lifted sinus membrane and the sinus floor with venous blood has no effect on bone formation around implants placed in the maxillary sinus cavity.
Keywords: Dental implant, maxillary sinus, sinus lift, venous blood


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