نتایج جستجو برای: zygoma
تعداد نتایج: 359 فیلتر نتایج به سال:
PURPOSE This study used maxillary and zygomatic measurements to obtain information for installing zygomatic implants. PATIENTS AND METHODS Angular and linear distances between the maxilla and the zygoma were measured in 12 cadavers (n = 22 sides) classified into short and tall groups by height (140 to 159 cm and 160 to 180 cm, respectively). RESULTS Based on mean and standard deviation valu...
The zygoma implant has been an effective option in the management of the atrophic edentulous maxilla as well as for maxillectomy defects. Brånemark introduced the zygoma implant not only as a solution to obtain posterior maxillary anchorage but also to expedite the rehabilitation process. The zygoma implant is a therapeutic option that deserves consideration in the treatment-planting process. T...
Zygoma fracture as a result of baseball impact presents a particular concern due to its prevalence and importance as a structure of the orbit. The purpose of this study was to develop risk functions for zygoma fracture based on ball type and velocity. A normal distribution was assumed for previous data on the fracture strength of the zygoma. The fracture strength data was mapped with the force ...
Despite refinements in surgical technique, including bone grafting and sophisticated prosthetic reconstructions, there are limitations to what can be achieved with bone-anchored fixed prostheses in patients with advanced atrophy of the maxillae. A new approach was suggested by a long-term study on onlay bone grafting and simultaneous placement of a fixture based on a new design: the zygoma fixt...
A case of cutaneo-cutaneous fistula superior to the external auditory canal extending from the mastoid skin to the skin over the zygoma is reported. The adult patient presented with recurrent discharge and swelling of the skin over the zygoma and mastoid bones. Definitive treatment was in the form of complete excision of the fistula tract.
Jacob disease is a rare condition consisting of pseudo joint formation between enlarged mandibular coronoid process and the inner surface of the zygoma. We report a 16-years-old male patient with Jacob disease who presented with restricted mouth opening and swelling of the right zygoma. In this report, clinical, radiological, and histopathological findings of the Jacob disease and its surgical ...
PURPOSE To evaluate treatment outcome with Zygoma fixtures (Nobel Biocare, Göteborg, Sweden) with regard to fixture survival, patient satisfaction, and function of prosthesis replacement. MATERIALS AND METHODS The treatment outcome of 76 patients treated with 145 Zygoma fixtures at 16 centers was evaluated. Patient's and dentist's evaluations of the functional and aesthetic outcome of the tre...
The rehabilitation of patients with acquired defects of the maxilla is a challenge in terms of reestablishing oronasal separation. In most patients these goals are met by means of prosthetic rehabilitation with an obturator prosthesis. If the remaining dentition does not offer sufficient retention and support, the placement of zygoma implants can enhance the stability of the prosthesis. Due to ...
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