نتایج جستجو برای: flap
تعداد نتایج: 18941 فیلتر نتایج به سال:
BACKGROUND The use of Nasolabial flap (NLF) to reconstruct orofacial soft tissue defects is one of the oldest methods for reconstruction in the medical literature. Despite widespread use of this invaluable flap, there are still controversies over the terms used for the description of this flap. MATERIALS AND METHODS A search was run in PubMed for articles in English language on nasolabial fla...
In the male burn victims,scar may cause grotesque facial disfigurement of upper lip and lower face. There are many ways as simple as a skin graft to the complicated flaps that are reported in the literature by different authors. Bipedicle scalp flaps used sporadically for reconstruction of upper lips in male patients. In this article we report the use of bitemporal artery hair-bearing flap for...
Evaluation of periodontal indices in closed flap operation technique of impacted teeth exposure Dr. HR. Arab* - Dr. H. Pezeshkirad** *- Assistant Professor of Periodontology Dept. - Faculty of Dentistry – Mashhad University of Medical Sciences. **- Assistant Professor of Orthodontics Dept. - Faculty of Dentistry – Mashhad University of Medical Sciences. Background and Aim: Different surgical te...
We describe the use and safety of prednisolone acetate eyedrops at the end of laser in situ keratomileusis (LASIK) to aid proper positioning of the corneal flap. The LASIK flap is created using the preferred technique. Following laser ablation and flap repositioning, one drop of prednisolone acetate is instilled on the eye. This delineates the flap "gutters" and allows perfect flap positioning ...
BACKGROUND Despite the most heroic efforts, sometimes free flaps fail. Perforator free flaps are not invincible and can suffer the same fate. The real challenge is how to decide what is the next best choice for achieving the desired outcome. METHODS Over the past decade, 298 free perforator flaps were used in our institution. Total failure occurred in 16 patients, and partial failure requirin...
1 BACKGROUND Although flap anatomy is well studied on cadavers and microsurgical techniques are well practiced on rats, still there are few training models for learning the techniques of perforator flap harvesting. The cadaver has no bloodstream, so accuracy of dissection cannot be evaluated and flap viability cannot be verified. Training on humans carries a high risk of flap damage. A living m...
UNLABELLED Breast reconstruction after mastectomy is primarily carried out to improve the patients' quality of life. The most commonly used autologous tissue for reconstruction is the transverse rectus abdominis musculocutaneous flap (TRAM). The TRAM flap could be transferred either as pedicled or a free flap with microvascular anastomosis. The following work was carried out to evaluate the two...
OBJECTIVE To evaluate the impact of the creation of corneal flaps at different thicknesses on the biomechanical properties of swine corneas. METHOD Twelve swine eyes were obtained to form two groups: 100 μm flap thickness and 300 μm flap thickness. Each eye was submitted to the following examinations: raster topography to investigate corneal curvature alterations, ocular response analyzer to ...
The flap domain of multisubunit RNA polymerases (RNAPs), also called the wall, forms one side of the RNA exit channel. In bacterial RNAP, the mobile part of the flap is called the flap tip and makes essential contacts with initiation and elongation factors. Cocrystal structures suggest that the orthologous part of eukaryotic RNAPII, called the flap loop, contacts transcription factor IIB (TFIIB...
Introduction The temporalis myofascial (TM) is an important reconstructive flap in palate reconstruction. Past studies have shown the temporalis myofascial flap to be safe as well as effective. Free flap reconstruction of palate defects is also a popular method used by contemporary surgeons. We aim to reaffirm the temporalis myofascial flap as a viable alternative to free flaps for palate reco...
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