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The use of the bicoronal flap in the surgical treatment of a case of bilateral coronoid hyperplasia is presented. The surgical approach to large lesions of the coronoid process is discussed.
OBJECTIVES: To report our experience with temporalis myofascial flaps (TMF), describe the healing process of uncovered flaps in the mouth, and the histology of the repaired mucosa in the long term. DESIGN: Prospective clinical and histological study. SUBJECTS: 36 patients who received a TMF over a 6.5 year period for serial assessment of the oral healing, 24 patients whose scars over the reconstructed area were assessed clinically, and 11 whose repaired mucosa was assessed histologically. MAIN OUTCOME MEASURES: To follow the clinical process of oral healing of the TMF and describe the repaired mucosa healed over the flap. RESULTS: The uncovered TMF in the mouth healed gradually starting with an acute inflammatory phase, going through chronic inflammatory and proliferative phases with eventual epithelialisation of the oral mucosa. There were no major complications. The healed mucosa showed mild scarring in 70% of cases and the repaired mucosa had characteristic histological features that were distinct from the normal mucosa. CONCLUSION: The TMF is an extremely reliable and versatile flap for maxillofacial reconstruction which heals gradually with eventual coverage by mildly scarred repaired mucosa.
PURPOSE: This study reports the anatomy, operative technique, and postoperative results of the temporal fasciocutaneous island flap (TFCIF), as used for facial and intraoral reconstruction. MATERIALS AND METHODS: Retrospective study of 15 patients who underwent TFCIF reconstruction. The anatomic basis and surgical technique are described. The flap was used for mucosal reconstruction after cheek or maxillary resection. It was used for facial tissue loss in 2 cases: orbital osteoradionecrosis and exposure of a mandibular reconstruction plate. RESULTS: This technique provides a safe and rapid solution for intraoral reconstruction; however, it cannot be used for the anterior floor of the mouth. The best indication that we have found is the reconstruction of hemimaxillectomy, allowing closure of buccosinusonasal communication and prosthetic rehabilitation. The main disavantage is that hair regrowth limits its use to patients who need postoperative radiotherapy. Donor site morbidity is minimal. Only a partial failure was observed. CONCLUSION: The TFCIF is a rapid, safe, and useful flap for oral and facial reconstruction after oncologic resection. Its arc of rotation limits, however, its use to the posterior part of the oral cavity.
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The various techniques of harvesting skull bone grafts are presented, and the numerous advantages of this type of graft are illustrated and discussed.
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PURPOSE: This study evaluated the subjective and objective findings in patients who had undergone temporomandibular joint (TMJ) reconstruction with a temporalis myofascial flap. All joints had previously been reconstructed with alloplastic, allogeneic, or autogenous material. PATIENTS AND METHODS: Twenty-three consecutive patients who underwent 28 temporalis myofascial flap procedures were assessed subjectively and objectively preoperatively and at an average of 36 months postoperatively. Panoramic radiographs, magnetic resonance imaging (MRI), or coronal computed axial tomography scans (CT scans) were performed on all patients preoperatively to evaluate for joint disease. A visual analog scale (VAS) was used to assess pain preoperatively and postoperatively. Patients also reported their use of pain medication, ability to function, diet, complications, and overall satisfaction. Preoperative and postoperative objective assessment consisted of an evaluation of range of motion, deviation on opening, joint noise on function, and cosmesis. RESULTS: On preoperative radiographic examination, 24 of 28 joints showed signs of bony degeneration, including cortical erosion, condylar flattening, and joint space alterations. Four joints showed evidence of ankylosis. The average preoperative maximal interincisal opening (MIO) was 23.7 mm, and the postoperative average was 32.3 mm (P<.05). Preoperatively, all patients displayed one or more objective clinical signs of joint disease such as joint noise on function, deviation on opening, limited mouth opening (less than 20 mm), or limited excursions (less than 2 mm). Postoperatively, 65% displayed one or more of these signs, a significant reduction (P<.05). Preoperatively, the average pain score was 8.2 on the VAS, and postoperatively the average pain score was 3.4 (P<.0005). Fifteen patients used less pain medication postoperatively, 7 used the same amount, and 1 patient used more. Thirteen patients were very satisfied with the overall results of the surgery, 4 were satisfied, and 4 were not satisfied. Two patients were satisfied with their increased function but were not satisfied with their pain reduction. All were satisfied with their cosmetic appearance. Minor complications after the procedure included 3 patients who had preauricular paresthesia and 1 who had an intraoperative dura mater exposure without sequelae. Two patients had postoperative superficial suture infections, and 2 noted hearing changes that were found to be clinically insignificant by audiologic examination. CONCLUSION: The temporalis myofascial flap is an autogenous graft that has the advantages of close proximity to the temporomandibular joint, minimal surgical morbidity, and successful clinical results. It was found to be a valuable option for TMJ reconstruction in joints in which alloplastic, allogeneic, or autogenous materials have previously been placed unsuccessfully.
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The use of the buccal fat pad (BFP) as an uncovered pedicled graft to close oral defects is relatively recent. A series of 29 consecutive cases of reconstruction utilizing the BFP is presented, showing excellent results and without added surgical morbidity. Indications include defects after benign or malignant tumour resection, and the combined BFP/temporalis myofascial pedicled flap is reported as an additional option in reconstruction. Histologic findings in healed reconstruction sites indicate fibrous replacement of the fat tissue, and epithelialization of its oral surface. From the results of this series, we conclude that the use of the BFP for the reconstruction of appropriate surgical defects in the mouth is worthy of consideration.
Oral submucous fibrosis (OSF) is a collagen disorder commonly seen in the Indian subcontinent. A series of 100 patients is presented. All lesions were biopsied. The condition was staged into four categories. Very early and early cases were treated by local injection of triamicinolone acetonide, while advanced cases were treated by surgical intervention. A new surgical technique of a palatal island flap based on the greater palatine artery in combination with temporalis myotomoy and bilateral coronoidectomy was used in 35 cases. A follow-up ranging from 6 months to 31/2 year showed good results.
A new method of condylar reconstruction after gap-arthroplasty in extensive ankylosis of the temporomandibular joint in adults is presented. An autogenous graft, consisting of the excised ankylotic mass, was contoured, reimplanted and used for condylar reconstruction. This technique has given good results and is a simple alternative to other methods of reconstruction in adults. Successful results in three cases with more than 12 months' follow up, has prompted us to use this technique routinely in adult patients.
Reconstruction was carried out on eleven patients using a vascularized full thickness calvarial bone flap following partial maxillectomy. The donor site was covered with a split calvarial bone graft. Intraorally a mucosal transposition flap was used to cover the graft. Six months later implants were inserted and were allowed to heal for three months before dental rehabilitation began. No serious complications were encountered.
A case of one-stage immediate reconstruction of partial auricular amputation secondary to dog bite is presented. Primary reconstruction was performed using the cartilage of the avulsed portion of the ear nourished by means of a pedicled temporofascial flap and split-thickness skin graft. The perioperative antimicrobial protocol is also detailed.
The aim of this study was to investigate prospectively the epithelialization process in the healing temporalis myofascial flap (TMF). Eight cats underwent maxillectomy and immediate reconstruction with TMF. They were killed at the determined time and the reconstructed maxillae were processed for examination by light microscopy and scanning electron microscopy. Results revealed that epithelialization of the healing TMF was initiated by hyperplastic changes followed by active migration of epithelial cells deriving from the wound margins. The partial maxillectomy wound was completely covered by a smooth oral mucosa at postoperative week 24. The mucosa had histological and ultrastructural features different from normal palatal mucosa.
An improved understanding of the vascular supply of the layers of the temporal fossa has increased the potentiality of reconstructive techniques involving this area. Each separate vascularized layer of this region can be used, yet the temporoparietal fascial flap is the more useful for treating a wide range of composite defects. It represents an ultra thin coverage which is useful in resurfacing exposed bone, tendons and vital structures such as nerves and vessels, in providing neovascularity as a recipient graft bed and in providing coverage or lining in major facial reconstructions. We describe our experience with the temporoparietal fascial flap which represents our choice for reconstructing composite defects in orbital, malar, auricular and cheek areas when what is required is a thin, pliable, well vascularized flap to carry a scalp or skin graft, to resurface exposed cartilage, bone and nerve, and to fill soft tissue contour defects. Illustrative cases from the authors' clinical experience are presented, to demonstrate various combinations of the temporoparietal fascial pedicle with other tissues in the reconstruction of the ear, eyebrows, eyelids, malar, cheek and parotid areas.