Результаты поиска

[Reconstruction of the mouth floor using a musculo-mucosal buccinator flap supplied by facial vessels. Report of ten cases].

The buccinator muscle is a wide, flat quadrangular muscle. Its medial surface is covered by the oral mucosa. It receives its arterial blood supply from two main arteries: the facial and buccal arteries. A musculo-mucosal flap can be raised on the facial artery with or without the facial vein. In the case of absence of the facial vein, venous drainage is possible into the peri-arterial loose areolar tissue. A nasolabial skin incision facilitates facial artery identification and simplifies flap dissection in the loose areolar plane, superficial to the facial artery. The mean dimensions of the fl

[Free forearm flap used in the reconstruction of the cervico-cephalic region. 43 cases].

The free neurovascular antebrachial transplant was described by Yang-Guofan in 1978. In 1981, we brought the description of this free transplant to Europe. Forty-three antebrachial grafts were made to reconstruct the cervicocephalic extremity. We had various indications: floor of the mouth and base of the tongue: 18 cases, facial structures: 7 cases, posterior wall of the pharynx: 9 cases, rescue surgery for esophagoplasty: 6 cases, mandible: 2 cases (using a bone rod taken from the radius), internal aspect of the cheek: 1 case. All grafts were revascularized. In 41 cases, the indications were

Extraplatysmal reconstructive plate for the surgical treatment of mandible osteonecrosis of the jaw: our experience in 20 patients.

OBJECTIVES: In cases of high risk of mandibular fracture in patients affected by osteonecrosis, bone fixation using an extraplatysmal reconstructive plate can provide adequate load-bearing strength to the residual mandible and avoid direct communication between the fixation devices and the intra-oral site. STUDY DESIGN: From 2013 to 2024, 20 patients underwent surgical curettage of the necrotic bone and inset of an extraplatysmal 2.5-mm reconstructive locking plate. RESULTS: After surgery, no major complications occurred. After a mean follow-up time of 20.9 months, 15 patients were disease-f

Influence of CBCT-derived panoramic curve variability in the measurements for dental implant planning.

OBJECTIVE: To investigate whether the curve markings performed prior to panoramic and cross-sectional reconstructions can influence the planning of oral implants. METHODS: Twenty oral radiologists landmarked the reference panoramic curves in 25 CBCT scans of the mandible. Bone height was measured on the resulting cross-sectional slices in the edentulous region of the lower first molar. The following data were recorded: (1) number of landmarks used to build each reference curve; (2) shape of the reference curve (inverted "U", inverted "V" or "horseshoe"); and (3) measurement in the first molar

Reverse facial artery-submental artery deepithelialised submental island flap to reconstruct maxillary defects following cancer ablation.

OBJECTIVE: The present study assessed the reliability of the reverse facial artery-submental artery deepithelialised submental island technique to reconstruct maxillary defects. METHODS: The study included 13 patients (9 men and 4 women; 43-62 years) with maxillary defects resulting from cancer ablation. Ten patients presented with maxillary gingival squamous cell carcinoma and the remaining 3 cases were hard palate squamous cell carcinomas. The maxilla was resected and the remaining defects were classified as Class 2a. Reverse facial artery-submental artery deepithelialised submental island

Buccinator musculomucosal flap: applications in intraoral reconstruction.

OBJECTIVE: To evaluate the use of the buccinator musculomucosal flap in the reconstruction of defects of the oral cavity and oropharynx. DESIGN: Prospective case series of 8 patients during a 1-year period with an average follow-up of 1 year. Six anatomical dissections were performed on 3 fresh cadaver heads to investigate the neurovascular supply to the flap. SETTING: Academic tertiary referral medical center. RESULTS: The buccinator musculomucosal flap was used in the reconstruction of 8 defects of the oral cavity, retromolar trigone, and soft palate. There was 1 partial flap necrosis tha

Реконструкция пашины фибулы для максимально вспомогательного этапа 3 Связанный с лекарствами остеонекроз челюсти с точки зрения получателей и доноров: предварительное исследование с использованием одного центра.

В то время как хирургическое лечение мантибулярной сцены 3 Остеонекроз челюсти (MRONJ), связанный с лекарственными препаратами, хорошо документирован, исследования на максимально вспомогательной стадии 3 MRONJ ограничен. Антирепрессивные препараты могут вызывать МРОНЮ и атипичный бедренный перелом (АФФ), однако их воздействие на возможность использования фибулы для восстановления по-прежнему вызывает споры. Цель этого исследования заключалась в оценке результатов хирургического вмешательства и функционального восстановления реконструкции пашины фибулы для максимальной вспомогательного этапа 3

Совпадение в полном тексте источника
… Fibular flap mandibular reconstruction for third-stage medication-related osteonecrosis of the jaw: a retrospective single-center study. J Dent Sci. 2023;18(3):976–84. 10.1016/j.jds.2022.12.015. 37. …

Reconstruction of the Obliterated Eustachian Tube: A Pilot Case Series.

OBJECTIVE: To investigate the safety and early efficacy of a procedure for reconstruction of the obliterated Eustachian tube (ET). STUDY DESIGN: Retrospective case series. METHODS: Patients with total obliteration of the cartilaginous ET, with intractable mucoid effusion causing repeated occlusion of tympanostomy tubes were included. Patients underwent endoscopic transnasal/transoral reconstruction of the obliterated ET using transtympanic illuminated guidewire guidance. A temporary stent (angiocatheter filled with bonewax) was placed to maintain patency while healing. In four cases an addit

Evaluation of different stable internal fixation in unfavorable mandible fractures under finite element analysis.

INTRODUCTION: The mandibular angle fracture is the most common fracture between this type of injury in jaw bone and also is the type of fracture treatment that presents a larger number of complications, and a series different osteosynthesis types have been studied over the years by the world literature. The finite element method is a form of mathematical analysis, which is based on dividing a structure into a finite number of small areas. It has the ability tomathematically model structures, making it possible to apply forces anywhere. MATERIAL AND METHODS: For this study, a three-dimensional

Use of recombinant bone morphogenetic protein 2 in free flap reconstruction for osteonecrosis of the mandible.

PURPOSE: Osteoradionecrosis of the mandible is a debilitating consequence of radiation therapy for head-and-neck malignancy. It can result in pain, bone exposure, fistula formation, and pathologic fracture. Recombinant human bone morphogenetic protein 2 (rhBMP-2) has shown promise in reconstruction of bone defects. The purpose of this study is to determine whether the addition of rhBMP-2 at the union of vascularized bone and native bone improves surgical outcomes in patients with osteonecrosis of the mandible. MATERIALS AND METHODS: This study was a retrospective analysis of patients who were

One-Stage 2-Vector Reconstruction for Facial Paralysis and Hypoplasia in Hemifacial Microsomia Using Dual Latissimus Dorsi Adipo-Muscular Flap Transfer.

Hemifacial microsomia (HFM) is characterized by unilateral craniofacial hypoplasia and is frequently associated with facial paralysis. Dynamic reanimation, in addition to facial augmentation, is important for aesthetic and functional improvement. Most publications on dynamic reanimation have focused on oral commissure elevation during smiling. However, severe lower lip depressor paralysis, often observed in patients with HFM, also requires reconstruction to improve aesthetic symmetry. Here, we report the simultaneous reconstruction of oral commissure elevation, lower lip depression, and cheek

Dental Rehabilitation After Microvascular Reconstruction of Segmental Jaw Defects: A Ten-Year Follow-Up.

Background/Objectives: Defects in maxillary and mandibular continuity are common in maxillofacial practice. They can occur after trauma, osteonecrosis, congenital jaw deformities, or surgical resection of benign or malignant tumours. Reconstruction with microvascular bone flaps and subsequent prosthetic rehabilitation is considered the contemporary first line treatment. This study assessed the extent to which the underlying disease influences the treatment course of microvascular segmental jaw reconstruction. Methods: A retrospective review of prospectively collected data from all patients who

Histological and histomorphometric evaluation of the synthetic biomaterial Natix® in horizontal reconstruction of alveolar ridge.

BACKGROUND: Following loss of teeth, atrophy of alveolar ridge of the jaws is a substantial problem and unintended outcome that compels clinicians to perform bone reconstruction ahead of implant placement. Although autogenous bone is recommended as the gold standard in bone reconstruction, aninvasive second surgery harvestinga limited volume of bone (from intraoral source) has led a significant approachingthe use of synthetic bone substitute materials. The aim of this study was to evaluate the histologic and histomorphometric properties of porous titanium granules (Natix®) used in horizontal r

Local and systemic risk factors influencing the long-term success of angular stable alloplastic reconstruction plates of the mandible.

INTRODUCTION: After ablative surgery of the mandible, angular stable alloplastic reconstruction plates are commonly employed. The aim of the study was a long-term evaluation of local anatomical, as looking at systemic factors influencing specific complications and the failure rate of such plates. MATERIALS AND METHODS: In a retrospective study covering an 11-year period, we reviewed the outcomes of angular stable plates of patients who had a segmental resection of the mandible and subsequent alloplastic reconstruction. Complications and failure rates were assessed and local (anatomical size a

Functional and aesthetic outcome and survival after double free flap reconstruction in advanced head and neck cancer patients.

BACKGROUND: Extensive composite defects in the head and neck area may require the use of double free flap reconstructions. These reconstructions are not only surgically challenging but also challenging to patients. A realistic perspective on general outcome for the patient seems important. METHODS: From January of 2002 to August of 2003, double free flap reconstructions were used in 12 patients with extensive composite head and neck defects following malignant tumor (n = 7) and osteoradionecrosis (n = 5) resection. Six patients had a standardized interview, physical examination, and clinical

The vertically oriented free myocutaneous gracilis flap in head and neck reconstruction.

Oncologic resections in the head and neck can result in a variety of complex defects. Many free tissue transfers have been described for soft-tissue reconstruction in this area. The pedicled, vertical gracilis myocutaneous flap has been well described for use in the perineum, but is rarely used as a free tissue transfer because of previously documented unreliability of the skin island. The objective of this study was thus to review a single author's experience with reconstruction of complex head and neck defects using the vertically oriented free myocutaneous gracilis flap. A retrospective rev

[Application of computer navigation system in the treatment of post-traumatic reconstruction].

OBJECTIVE: To investigate the value of computer aided navigation system (CANS) in the treatment of post traumatic maxillofacial deformation. METHODS: Fifty-four patients (M = 37, F = 17) were included in the study, including 31 cases of zygomatic fracture, 7 cases of pure orbital fracture, 11 cases of temporal mandibular joint ankylosis, 1 case of foreign body and 4 cases of defect reconstruction with custom implant. Data acquisition was done through CT scan, and DICOM data was transferred into workstation. Computer assisted design, including osteotomy, reposition, fibula flap design, orbital

Vascularized fibula flap reconstruction of the mandible in bisphosphonate-related osteonecrosis.

AIMS: To point out the feasibility of microsurgical reconstruction of the mandible in patients with bisphosphonate-related osteonecrosis (BRONJ). METHODS: Seven patients with extensive mandibular osteonecrosis underwent subtotal mandibulectomy and immediate reconstruction with a free fibula flap. They were six women and one man aged 49-72 years. The mean size of the bone and oral mucosa defects were 18.5 and 22.5 cm(2) respectively. RESULTS: The mean time of surgical intervention was 12 h. All flaps survived and the postoperative course was uneventful. Oral feeding was resumed 14 days after

The dental implant survival rate in 18 patients with post-operation revolutionary jaw reconstruction using free fibular flap, dental implants, and overdentures.

BACKGROUND/PURPOSE: This retrospective study assessed the risks and complications associated with dental implants after jaw surgery and radiotherapy for large defects, highlighting challenges for reconstructive surgeons and prosthetic dentists. MATERIALS AND METHODS: From 2002 to 2008, National Taiwan University's Department of Maxillofacial Surgery used preoperative stereolithographic models and microvascular flaps for mandibular reconstruction in 18 patients with defects from ameloblastoma or advanced gingival cancer. They received free fibular flap grafts, followed by 46 osseointegrated de…

Quality of Life After Microvascular Alveolar Ridge Reconstruction with Subsequent Dental Rehabilitation.

Background/Objectives: Defects in maxillary and mandibular alveolar ridges are common in maxillofacial practice. Reconstruction with microvascular bone grafts and subsequent prosthetic rehabilitation is the gold standard treatment. This study investigated patients' quality of life (QoL) after microvascular alveolar ridge reconstruction with subsequent dental rehabilitation. The effect of the underlying disease and success rates of the prosthetic treatment on QoL were analysed. Methods: OHIP-49 was used to evaluate oral health-related QoL (OHrQoL). The SF-36 was used to assess disease-nonspecif