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Experimental Study of Bone Response to a New Surface Treatment of Endosseous Titanium Implants
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Antonio Sanz R., DDS
Periodontist, Adjunct Professor in Oral Implantology, and Director of the Postgrade in Oral Implantology, Odontology Faculty, University of Chile, Santiago, Chile.
Alejandro Oyarzun, DDS
Biochemical and Oral Biology Unit, Odontology Faculty, University of Chile, Santiago, Chile.
Daniel Farias, DDS, Ivan Diaz, DDS
Specialist in oral implantology, Odontology Faculty, Postgraduate School, University of Chile, Santiago, Chile.
This experimental research shows the biocompatibility of Restore RBM implants (Lifecore Biomedical) at the light microscopy level. It leads to the proposal that a new process be used to create a textured surface. Knowledge about the clinical benefits of the roughness of titanium root-form surfaces is expanding. Future mechanical trials are needed to support the hypothesis that the strength of the interface between bone and implant is improved.
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Treatment Of A Microvascular Reconstructed Mandible Using An Implant-Supported Fixed Partial Denture
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Mehmet Dalkiz, DDS, PhD, Bedri Beydemir, DDS, PhD, Yilmaz Gunaydin, DDS, PhD.
Department of Prosthetic Dentistry, Gulhane Military Medical Academy, Ankara, Turkey.
Department of Oral and Maxillofacial Surgery, Gulhane Military Medical Academy, Ankara, Turkey.
Oral rehabilitation of patients with mandibular discontinuity defects is a problem that faces both the oral surgeon and the restorative dentist. Advances in microvascular surgery can provide the mandible with vital bone grafts. Often, reconstruction of the bony defect alone does not guarantee an adequate foundation for successful conventional prosthetic rehabilitation. Osseointegrated implants placed in the microvascularized grafted bone offer an opportunity for improved function and patient satisfaction. This case report describes the use of an implant supported bridge in a vascularized fibular bone graft to reconstruct a traumatic partially resected mandible.
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Provisional Implants: Surgical and Prosthetic Aspects
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Charles A. Babbush, DDS, MScD
Director, The Dental Implant Center, Lyndhurst, Ohio.
Director, Dental Implant Research, and Clinical Professor, Case Western Reserve University, School of Dentistry, Cleveland, Ohio.
Although numerous technological advances have improved the ability of implant practitioners to successfully reconstruct dental implants, providing patients with teeth during the immediate postsurgical period has remained problematic. One solution has been the development of temporary implants. Such provisional implants eliminate the need for a tissue-borne prosthesis that may interfere with the healing of the submerged conventional implants and/or grafting material. This article describes the methodology for placing immediate provisional implants. Three alternative approaches to fabrication of the temporary prosthesis are discussed, and the results of 12 cases are reviewed.
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Ridge Widening and Immediate Implant Placement
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Tetsuo Shimoyama, DDS, PhD, Takahiro Kaneko, DDS, Shinjirou Shimizu, DDS, Daigo Kasai, DDS, Takahiro Tojo, DDS, Norio Horie, DDS, PhD
Department of Oral and Maxillofacial Surgery, Saitama Medical Center, Medical School, Saitama, Japan.
Alveolar atrophy may present an anatomical limitation to the placement of endosseous implants. A case is described of severe maxillary alveolar atrophy with immediate implant placement associated with a ridge widening technique in accordance with a split-crest-bone manipulation. Taper-shaped implants were applied in this technique without a barrier membrane. Because this implant was small and tapped into position, it was easier to use and was considered to be appropriate for the ridge widening technique associated with immediate implant placement.
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Inadequate Implant Angulation Resulting From Oroantral Fistula
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Su-Gwan Kim, DDS, PhD
Assistant Professor, Department of Oral and Maxillofacial Surgery, College of Dentistry, Chosun University, Kwang-Ju, Korea.
Successful implant surgery is largely dependent on good treatment planning and careful surgery. A complete treatment plan must encompass both surgical and prosthetic considerations for the implant restoration. Some compromised implants are restorable, and the result can be acceptable if they can be adjusted into a more ideal position. The goals of the segmental osteotomy are the preservation of a healthy dental unit, the creation of a more ideal environment for dental restoration and occlusal reconstruction, the optimization of cost effectiveness, and the minimization of edentulous space. The purpose of this study is to present the segmental maxillary osteotomy to reposition the alveolar segment with its implant that was in a highly compromised situation.
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