A practical approach to orofacial rehabilitation in a patient after inferior maxillectomy and rhinectomy with mono framework construction supported on a zygomatic implant placed in the glabella: a case report

Abstract

Background In the field of craniofacial tumor surgery, an adequately performed excision, despite being a life-saving procedure, is only a first step to successful treatment. During such a procedure, the main goal is to completely remove the lesion, paying less attention to factors contributing to future rehabilitation possibilities. One ty 2of the possibilities for prosthetic rehabilitation of such cases is utilizing one-piece implants with bicortical anchorage. Case presentation This case report presents a case of a 48-year-old patient with oral squamous cell carcinoma (OSCC). The treatment protocol consisted of radical surgery to remove the tumor, and intraoral and extraoral rehabilitation with a single framework prosthesis anchored with one-piece implants. Moreover, the intraoral stomatognathic deformity was corrected with a fixed implant-retained prosthesis, and the extraoral defect was covered with a removable epithesis. Conclusions The use of one-piece implants with bicortical anchorage may be an additional tool in reconstructing maxillofacial defects. Properly executed treatment may improve the esthetics, speech, masticatory function, muscle support, and the overall quality of life of patients with extensive defects in the maxillofacial region.

A successfully rehabilitated post-mucormycosis maxillary defect with guided quad-zygomatic implants: A case report

“…The best prosthetic option to replace composite defects in which teeth, gingiva, alveolar bone, and maxillary bone are missing is by using a fixed-hybrid or a bar-retained prosthesis [21]. Zygomatic implants are suitable for offset loading but not against axial loading; therefore, when applied, they need to be splinted with the anterior or posterior rigid implants [22]. A study conducted by Ujigawa et al [23] compared functional stress distribution of zygoma implants with and without connected dental implants supporting a superstructure in a severely atrophic maxilla.…”

Rehabilitation of a Midfacial Defect Using a Two-Piece Maxillofacial Prosthesis: A Case Report

“…The patient reported in this article lost his right maxilla, zygoma-associated structures, and orbital contents due to resection of mucoepidermoid carcinoma. This type of midfacial defect can be managed by using zygomatic and pterygoid implants [ 10 - 11 ], combination prostheses [ 5 ], magnets, adhesives, elastics, spectacles, magnets, key-lock mechanisms, and the combinations of many other auxiliary retentive aids. According to Gaur V et al using one-piece implants with bicortical anchorage could be an additional tool in maxillofacial defect reconstruction [ 5 ].…”

Management of Mandibular Nonunion Fracture with Single-Piece Implant - A Case Report

“…Single-piece bicortical implants have been in function for quite a long period. [ 2 3 4 5 6 ] Single-piece implants were preferred so as to avoid loose connections/mobility at the abutment level that would eventually result in the failure of cross-arch rigid connection, thus compromising the desired result, which is the treatment of a nonunion fracture. [ 2 7 ] Implants, when placed surgically, create trauma, resulting in an increase in microcracks leading to a spurt in remodeling at the site, which progresses over the jaw and of hyperplastic callus leading to ossification and maturation of callus.…”

“…[ 2 3 4 5 6 ] Single-piece implants were preferred so as to avoid loose connections/mobility at the abutment level that would eventually result in the failure of cross-arch rigid connection, thus compromising the desired result, which is the treatment of a nonunion fracture. [ 2 7 ] Implants, when placed surgically, create trauma, resulting in an increase in microcracks leading to a spurt in remodeling at the site, which progresses over the jaw and of hyperplastic callus leading to ossification and maturation of callus. This happens because the functional and mechanical stimulus was provided, cortical bone remodeling is through cutting/filling cone bone multicellular units and trabecular remodeling is accomplished by hemicutting/filling cones.…”