In the history of medicine, many surgeons have been tried to reconstruct lost tissue and correct deformity, attempts to use implant materials have probably paralleled those involving autogenous tissue. Recently there has been an acceleration in the understanding of the requirements and potentials of implant materials caused by collaboration between material scientists, biomaterials engineers, clinicians, and clinical investigators. Alloplastic materials have become an essential part of reconstructing the function and contour of the craniofacial skeleton. Bone is a specialized form of connective tissue, which provides support, and protects vital and detion and summarizes their mechanical properties and clinical aspects.
Animal ; Bone Diseases/surgery* ; Bone Substitutes* ; Bone Transplantation* ; Facial Bones/surgery* ; Facial Bones/injuries ; Human ; Skull/surgery* ; Wounds and Injuries/surgery

The free iliac rest flap based on the Deep Circumflex lilac Artery (DCIA) and Vein (DCIV) has proven to be a useful technique with a high rate of success. It provides a large segment of strong bicortical bone that was sufficient to reconstruct up to two thirds of mandible and supplied by blood vessels with large and long enough to allow for consistently successful anastomosis. It also uses a donor site located for enough from the neck to allow two teams perform operation in the same time with minimum of complication.
Mandibular Diseases ; Bone Diseases ; Surgical Flaps ; Surgery, Plastic

Humans ; Adamantinoma/surgery* ; Bone Diseases, Developmental ; Bone Neoplasms/surgery* ; Tibia/surgery*

Fibrous dysplasia is a bone disease of unknown etiology in which cellular fibrous tissue gradually replaces normal bone and involves the cranium infrequently. Recently, we have experienced 3 cases of fibrous dysplasia which involved the frontal, sphenoid and parietal bones with vault deformity. The 2 cases, in which the frontal and sphenoid bones were involved, presented with proptosis and exophthalmos. All of the cases manifested vault deformity which caused cosmetic problems. We performed decompressive and plastic surgery for the purpose of relieving the compression of cranial nerves and for the sake of the cosmetic effect. The clinical courses were uneventful.
Bone Diseases ; Congenital Abnormalities ; Cranial Nerves ; Exophthalmos ; Parietal Bone ; Skull ; Sphenoid Bone ; Surgery, Plastic

OBJECTIVETo observe and evaluate the clinical effects of surgical treatment for the accessory navicular syndrome with simple excision.

METHODSFrom November 2006 to December 2008, 23 patients (twenty-five feet) with accessory navicular syndrome received simple excision of the accessory navicular bone. The chief complains were intermittent pain of feet after running or walking. Physical examination showed local tenderness on palpation in the region of the navicular bone. X-ray or CT showed there was an accessory navicular bone. The present history ranged from 6 months to 12 years. There were 14 males and 9 females. The mean age was 14.6 years, ranging from 8 to 35 years. About 2 cm long incision was made at the tip of the medial prominence of the navicular bone. After partial dissection of the posterior tibial tendon, the accesssory navicular bone was exposed and excisied. The prominence of the tuberosity of the navicular bone was cut and shaved. The posterior tibial tenden was repaired before closing the wound. The foot was immobilized with cast or brace in inversion position and no weight-bearing for 2 weeks. Strenuous jumping or dancing must be avoided in 3 months after surgery. The patients with residual symptoms and signs received physical therapy and an arch support for shoes without flatfoot deformity.

RESULTSThe average clinical follow-up during was 12 month (ranged, 3 to 18 months). The excellent results in 21 feet and good in 4 feet (3 feet with mild flat deformity and 1 foot with old sprain injury). The average hospital stay was 5 days and no wound infection occurred. All patients resumed the normal life and study after operation.

CONCLUSIONSurgical treatment of the accessory navicular syndrome with simple excision has the advantages of less invasive to the posterior tibial tenden and the medial longitudinal arch of the foot, shorter time of immobilization of the foot and stay in hospital, small incision and good clinical results. This procedure is one of the best selective treatments for the accessory navicular syndrome, especially for the patients without flatfoot deformity and old sprain injury.

Adolescent ; Adult ; Bone Diseases ; pathology ; surgery ; Child ; Female ; Foot Diseases ; pathology ; surgery ; Humans ; Male ; Young Adult

PURPOSE: This study aimed to assess the reliability of ultrasonography (US) in comparison with cone-beam computed tomography (CBCT) as a tool for monitoring the healing of jaw lesions. MATERIALS AND METHODS: Twenty-one radiolucent lesions in jaws referred to the Oral Surgery Department at our institution were selected for this study. All lesions underwent CBCT and US examinations. The anteroposterior, superoinferior, and mesiodistal dimensions of the lesions were measured on CBCT and US images before surgery and at 6 months after surgery. The dimensions were compared between the US and CBCT images. Blood-flow velocity around the lesions was measured by color Doppler before surgery and at 1 week and 6 months after surgery to assess the capability of US to show changes in blood-flow velocity around the lesion. RESULTS: Before surgery, there were no significant differences between US and CBCT in the mesiodistal and anteroposterior dimensions, although a significant difference was found in the superoinferior dimension (P < .05). However, at 6 months after surgery, significant differences were found between US and CBCT in all dimensions, and it is likely that the US measurements more accurately reflected the extent of healing. The average blood-flow velocity increased at 1 week after surgery (5.84 cm/s) compared with the velocity before surgery (4 cm/s) (P < .05). Then, at 6 months after surgery, the blood-flow velocity significantly decreased (3.53 cm/s) compared to the velocity measured at 1 week after surgery (P < .05). CONCLUSION: US with color Doppler was confirmed to be a more efficient tool than CBCT for monitoring bone healing.
Bone Diseases ; Cone-Beam Computed Tomography ; Jaw ; Surgery, Oral ; Ultrasonography

Bone Diseases, Developmental ; surgery ; Female ; Femur ; pathology ; surgery ; Fibrosis ; surgery ; Humans ; Middle Aged

Bone Neoplasms/surgery* ; Cartilage Diseases ; Cartilage, Articular ; Humans ; Lipoma/surgery* ; Tibia/surgery*

Bone Diseases, Metabolic ; Fractures, Compression/surgery* ; Humans ; Osteoporotic Fractures/surgery* ; Spinal Fractures/surgery* ; Treatment Outcome

Bone scan using radioactive isotope can be more effective than conventional X-ray radiograph for finding jaw lesion because it takes an image of the physiologic change of bone. This study is designed to show how available bone scan is able to diagnose jaw lesion better than simple X-ray and CT, as well as to determine a basis of diagnosis for jaw lesion using bone scan. The 77 patients, visiting the Oral & Maxillofacial Surgery, Department of Dankook University Hospital from January 2002. to Augast 2005. who were diagnosed histopathologically with postoperative malignant tumor, osteomyelitis, and bone infiltrative benign disease. Preoperative X-ray, CT, bone scan were taken and were compared with histopathologic finding. Also to compare specificty of each lesion in bone scan, bone density was measured to compare. The results were as follows.1. Among the 25 cases of oral malignant tumor of bony invasion, a positive diagnosis associated with histopathologic evaluation, 22 cases(88%) in bone scan, 14 cases(56%) in CT image, and 10 cases40%) in simple X-ray.2. Among the 31 cases of osteomyelitis, a positive diagnosis associated with histopathologic evaluation, 30 cases(97%) in bone scan, 23 cases(74%) in CT image, and 19 cases(61%) in simple X-ray.3. Among the 11cases of bone infiltrative benign disease, a positive diagnosis associated with histopathologic evaluation, 11 cases(100%) in bone scan, 10 cases(91%) in CT image, and 6 cases(55%) in simple X-ray.4. Measurement of bone density in each group showed no statistical significant difference between malignant tumor and osteomyelitis as well as benign bone disease. But, a statistical significance was seen between osteomyelitis and benign bone disease.From this results, bone scan are more sensitive than simple X-ray and CT image in jaw lesion diagnosis, but specificity shows no significant difference. Therefore, it should be suggested that evaluation of bone scan must be carrying out in reference to final histopathologic diagnosis.]]>
Bone Density ; Bone Diseases ; Diagnosis ; Diagnosis, Differential ; Humans ; Jaw ; Osteomyelitis ; Sensitivity and Specificity ; Surgery, Oral