Radiographic comparison of osseous healing after maxillary sinusotomy performed with and without a periosteal pedicle.
OBJECTIVE
To assess the postoperative fate of bone trapdoors in patients with a trapdoor in the facial wall of the maxillary sinus that was replaced after removal of sinus disease.


METHODS
Twenty patients were studied. In 10 patients (group A) the trapdoor was made as a free bone graft; in the other 10 patients (group B), an osteoperiosteal trapdoor was made. The postoperative fate of bone trapdoors was studied by means of computed tomography.


RESULTS
In group A there was poor bony consolidation at the trapdoors' junction with the surrounding bone and a significantly reduced density of the osteotomized bone. In two of the group A patients there was a partial loss of the trapdoor. In group B, however, bony consolidation took place in that all the trapdoors were completely connected again to the surrounding bone and there was no reduction of the bone density.


CONCLUSIONS
The results indicate that a trapdoor with a periosteal pedicle appears to be more reliable than one without a periosteal pedicle.
Department of Oral and Maxillofacial Surgery, College of Dentistry, Yonsei University, Kangwon-Do, South Korea.
B H
BH
Choi
J H
JH
Yoo
K J
KJ
Sung
D000328:Adult; D015519:Bone Density; D016025:Bone Transplantation / Q000379:methods*; D005260:Female; D006801:Humans; D008297:Male; D008443:Maxillary Sinus / Q000000981:diagnostic imaging / Q000601:surgery*; D015523:Maxillary Sinusitis / Q000601:surgery; D008875:Middle Aged; D009957:Oroantral Fistula / Q000601:surgery; D010521:Periosteum / Q000601:surgery; D018709:Statistics, Nonparametric; D013524:Surgical Flaps; D014057:Tomography, X-Ray Computed; D014092:Tooth Root; D016896:Treatment Outcome; D014945:Wound Healing