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Year : 2017  |  Volume : 8  |  Issue : 3  |  Page : 80-84

Complete oral rehabilitation of a deep bite patient with Ewing’s sarcoma; surgical and prosthetic phases: A clinical report

Dental Research Center, Department of Maxillofacial Prosthodontics, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran

Correspondence Address:
Mohammed Hussein M Alsharbaty
Dental Research Center, Department of Prosthodontics, School of Dentistry, Tehran University of Medical Sciences, Kargar Street, Tehran
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/denthyp.denthyp_13_17

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Introduction: Ewings sarcoma (ES) is an unusual, aggressive malignant neoplasm occurring primarily in the long bones of the lower and upper extremities followed by pelvis, ribs, vertebrae, skull, and jaws-bones. Patients with ES tumor need long-term complete oral reconstruction. The location of the primary tumor in the face is predominantly in the mandible, and usually in the posterior mandible. Case Report: Here, both surgical procedures and prosthetic reconstruction in three stages of a 10-year-old childs life presented. Definitive prosthetic reconstruction is extremely challenging in such patients after previous excessive surgical resection, especially when the patient has complex dental abnormality. Fixed dental prostheses and implant-supported fixed restorations have been selected as the preferred treatment option in this case after increasing occlusal vertical dimension (OVD) to create sufficient interocclusal space (IOS). Discussion: In this case, ES patient treated in three phases. In the first-stage, only surgical resection of tumor and bone graft reconstruction with titanium plate fixation was performed. In the second-stage, Lefort I surgery for maxilla with dental implants insertion in mandible was done simultaneously. For definitive restorations fabrication, it was mandatory to increase occlusal vertical dimension (OVD) to create sufficient inter-occlusal space (IOS) for the restorations. OVD has been altered to achieve more stable relationship of mandibular teeth with maxillary teeth, and to obtain an optimum esthetic and functional result. Several factors should be considered as determinants for increasing the OVD such as remaining tooth structure, the space available for the restorations such as the current situation, occlusal variables, and esthetics.

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