OBJECTIVE To carry out a radiological and histomorphometric evaluation of bone response to bovine bone implants inserted in rabbits' tibiae. MATERIALS AND METHODS Twenty New Zealand rabbits weighing 3900-4500 g were used. Twenty bovine bone implants (Endobon) in granulated form of 500-1000 μm granulometry were inserted in the proximal metaphyseal area of the animals' right tibia and 20 contro...

This paper introduces the culture preparation of ovine, bovine and human cancellous bone cores to be used in an explants model Zetos. The three dimensional (3D) bone cores were prepared and evaluated for all three animals. Bone cells in vivo constantly interact with each other, migratory cells, surrounding extracellular matrix (ECM) and interstitial fluid in a microenvironment, which continuous...

Background: Tooth extraction is followed by a resorption of the bone in buccal or facial portion, up to 50% first six months after extraction. Bone loss mainly results from damage periodontal ligament complex. Socket preservation surgical procedure aimed maintain an alveolar ridge extraction, eliminating minimizing need for future augmentation implant-prosthetic rehabilitation. techniques use s...

BACKGROUND The performance of implant surgery in the posterior maxilla often poses a challenge due to insufficient available bone. Sinus floor elevation was developed to increase needed vertical height to overcome this problem. The present study described and reported a simple, safe and predictable bone graft mixture for the sinus lifting procedure. MATERIAL AND METHODS Seventy patients were ...

BACKGROUND Bone graft procedures have been used commonly in buco-maxillo-facial surgery. For this reason, many researchers have evaluated the bone substitutes. PURPOSE The present study evaluated soft and hard tissue reactions to two different hydroxyapatites HAs (synthetic HA and natural HA) and bioactive glass implanted into the sockets immediately after extraction. MATERIALS AND METHODS ...

Introduction: It has been suggested that collagen provides the ductility in bone [1], but the relationship between the failure properties of intact bone and isolated bone collagen has not been investigated. Such a relationship could have substantial clinical implications since ductility, which decreases with age [2-4], affects the ability of bone to deform rather than fracture under severe load...

Tibia segmental defect healing in sheep were clinically, radiographically and histologically evaluated. Twelve young sheep aged four to five months were divided into two groups, G1 and G2. A 3.5 cm long segmental defect was created in the right tibial diaphysis with maintenance of the periosteum. The bone defects in both groups were stabilized with a bone plate combined with a titanium cage. In...

Purpose The physicochemical properties of a xenograft are very important because they strongly influence the bone regeneration capabilities of the graft material. Even though porcine xenografts have many advantages, only a few porcine xenografts are commercially available, and most of their physicochemical characteristics have yet to be reported. Thus, in this work we aimed to investigate the p...

The endometrium is central to mammalian fertility. The endometrial stromal cells are very dynamic, growing and differentiating throughout the estrous cycle and pregnancy. In humans, stromal cells appear to have progenitor or stem cell capabilities and the cells can even differentiate into bone. It is not clear whether bovine endometrial stromal cells exhibit a similar phenotypic plasticity. So,...