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PURPOSE This retrospective study was performed to present our long-term results in the treatment of maxillary squamous cell carcinoma and evaluate especially the influence of T staging and grading on patients' survival. PATIENTS AND METHODS We performed a retrospective analysis of 93 consecutive patients with alveolar, gingival, or palatal maxillary SCC(More)
The objective of this study was to evaluate the feasibility and accuracy of a novel surgical computer-aided navigation system for the placement of endosseous implants in patients after ablative tumour surgery. Pre-operative planning was performed by developing a prosthetic concept and modifying the implant position according to surgical requirements after(More)
BACKGROUND Osteonecrosis of the jaws occurs after the administration of bisphosphonates. An unequivocal treatment strategy is yet to be devised. We assess the treatment of patients with bisphosphonate-related osteonecrosis of the jaws (BRONJ). METHODS The investigators studied a prospective cohort of 58 patients 6 months after surgical treatment of BRONJ.(More)
PURPOSE In this retrospective study, we evaluated isolated blowout fractures of the orbital floor by region-of-interest measurements from coronal computed tomography (CT) scans and their relationship to ophthalmologic findings. PATIENTS AND METHODS Fracture area and volume of displaced tissue of blowout fractures in 38 patients were measured from coronal(More)
OBJECTIVE The purpose of this retrospective study was to identify the major pathogens responsible for deep space head and neck infections and their current resistance to routinely used antibiotics in a university hospital setting. STUDY DESIGN A total of 206 patients suffering from odontogenic deep space infections were treated at our department by means(More)
INTRODUCTION Lymphoscintigraphic planar imaging is a common procedure for sentinel lymph node imaging prior to lymph node biopsy, but fails to elucidate the specific lymphatic drainage. Composite functional/anatomical imaging (SPECT-CT) has the potential to enhance topographic orientation and diagnostic sensitivity of sentinel lymph node imaging, but has(More)
The following report refers to a well described surgical procedure using a prototype vertical distractor developed in Cologne in cooperation with Martin Medizintechnik GmbH. The surgical technique has been refined by an L-shaped osteotomy stabilized posteriorly by a miniplate to limit the amount of callus regeneration in the molar region where no increase(More)
INTRODUCTION Multi-modality treatment concepts involving preoperative radiotherapy (RT) or chemoradiotherapy (CRT) and subsequent radical resection are used much less frequently than postoperative treatment for oral and oropharyngeal squamous cell carcinomas. In some centres, however, the preoperative approach has been established for several years. (More)
OBJECTIVE The purpose of this retrospective study was to evaluate complications before, during, and after vertical alveolar distraction osteogenesis and to assess the survival rate of dental implants placed in distracted bone. STUDY DESIGN In a consecutive series, 37 patients with 45 alveolar ridge deficiencies of the partially edentulous mandible were(More)