Abstract
The aim of the present prospective, randomized, split-mouth study is to evaluate the effectiveness of sealing Schneiderian membrane perforation using two types of collagenous bone substitute. Twelve adult female New Zealand White rabbits, weighing 3.5 to 4.0 kg, will be used. The maxillary sinus lift procedure will be performed bilaterally and a 4 mm perforation will be intentionally made…