A new strategy with bone tissue engineering by mesenchymal stem cell transplantation on titanium implant has been dawn attention. The surface scaffold properties of titanium surface play an important role in bone regenerative potential of cells. The surface topography and chemistry are postulated to be two major factors increasing the scaffold properties of titanium implants. This study aimed t...

We treated 110 fractures of the middle third of the clavicle in 108 patients aged between 14 and 66 years, by fixation with 2 mm Kirschner wires. The wire was introduced, using an air drill and a telescoping guide, from the medial into the lateral fragment. The medial end of the wire which perforated the anterior cortex of the medial fragment was bent backwards to prevent migration into the lun...

A century ago, in 1909, Martin Kirschner (1879-1942) introduced a smooth pin, presently known as the Kirschner wire (K-wire). The K-wire was initially used for skeletal traction and is now currently used for many different goals. The development of the K-wire and its insertion devices were mainly influenced by the change in operative goals and by the introduction of antibiotics. The first versi...

statement of the problem : fixed retainers were developed to maintain incisor alignments after orthodontic treatments. although the effects of fixed retainers on periodontal health are clinically studied, no studies have still evaluated the histological changes in the periodontium after the placement of thefixed retainers. purpose: the aim of this study was to evaluate the effects of customised...

The tibial tubercle osteotomy is gaining popularity for revision total knee arthroplasty; however, the potential for tubercle displacement has been a concern. This study compared the mechanical behavior of the tibial tubercle osteotomy after screw and cerclage wire fixation. Tibial tubercle osteotomy was done on 40 tibias from cadavers with equal numbers fixed by either screws or wires. Specime...

1. exposure through A3 pulley 2. mobilization of volar fragment attached to volar plate 3. dorsal blocking wire to reduce and hold joint in place 4. elevation of any depressed articular fragment and bone grafting 5. repositioning of volar fragment over the base of middle phalanx 6. preliminary fixation with K wire 7. plating with mini 1.2 or 1.3mm T plate, or hook plate(s) 8. removal of dorsal ...

BACKGROUND The orbitocranial approaches are now indispensible for treating lesions of the skull base, providing access to lesions in the anterior and middle cranial fossae, as well as the upper clivus and anterior brainstem. The management of infectious complications of the orbitocranial approaches, however, has evaded the literature. CASE DESCRIPTION We present two cases of patients who unde...

BACKGROUND Fracture of the scaphoid bone can be treated with cast immobilization or surgery. Historically, surgery was reserved for displaced fractures. However, because weeks of cast immobilization may result in stiffness, loss of strength, loss of bone density and an inability to work or participate in recreational activities for a prolonged period, operative treatment of non-displaced fractu...