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1/39. Occlusal rehabilitation using implants for orthodontic anchorage.

    osseointegration is defined as a direct interaction of bone to an implant surface. As a result, the implant fixture is immobilized in the bone and lends itself to function as an anchor for orthodontic tooth movements. When properly treatment-planned, these implants can also be used as prosthodontic abutments for single crowns, or removable or fixed partial dentures. This article describes how implant fixtures were surgically placed within the maxillary and mandibular arches of a partially edentulous patient, and used for orthodontic anchorage to reposition the remaining teeth into a more favorable arch position, creating increased posterior interocclusal space. The fixtures were then restored with fixed partial dentures to rehabilitate the patient into a mutually protected occlusion.
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2/39. Elongated stylohyoid process: a report of three cases.

    The stylohyoid process is part of the stylohyoid chain--the styloid process, the stylohyoid ligament, and the lesser cornu of the hyoid bone. The stylohyoid chain is derived from the second branchial arch. Mineralisation of the stylohyoid ligament and ossification at the tip may increase the length of the styloid process. An elongated stylohyoid or styloid process is considered to be the source of craniofacial and cervical pain commonly known as Eagle's syndrome. In some instances the stylohyoid process may be considerably elongated, yet remain asymptomatic. This paper reports three patients with elongated stylohyoid processes discovered incidentally on routine radiographic examination.
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3/39. Fixed prosthodontics in skeletal Class III patients with partially edentulous jaws and age-related prognathism: the basal osseointegration procedure.

    Today, prognathism in the partially or completely edentulous jaw can be treated with endosteal implants and fixed prostheses. The preferred procedure uses basal osseointegration. If the distribution of available bone is favorable, the prosthodontic suprastructures can be loaded early, taking the various phases of bone regeneration into account. Invasive surgical interventions, specifically iliac crest transplants, are rarely indicated and can be avoided in most cases. patients are able to return to their everyday lives within a few days.
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4/39. Alveolar distraction osteogenesis: a new alternative to bone grafts. Report of three cases.

    case reports of distraction osteogenesis of the alveolar bone, case selection, methods and follow-up of patients seen in the Oral Surgery Group office, new brunswick, NJ.
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5/39. actinobacillus actinomycetemcomitans-associated peri-implantitis in an edentulous patient. A case report.

    BACKGROUND: peri-implantitis is a risk factor for implant loss. Late bacterial infection of the peri-implant tissues and loss of alveolar bone in edentulous patients is caused by commensal oral anaerobic bacteria. In partially edentulous patients, porphyromonas gingivalis and occasionally actinobacillus actinomycetemcomitans are associated with peri-implantitis lesions. AIMS: To investigate the microbiology of a peri-implantitis case in an edentulous patient. methods: Anaerobic culture techniques and selective culture techniques for A. actinomycetemcomitans were used to study the peri-implant microflora at sites with and without bone loss. RESULTS: An anaerobic peri-implant microflora with several putative periodontal pathogens was found at sites with bone loss. Furthermore, a metronidazole-resistant A. actinomycetemcomitans was isolated. The A. actinomycetemcomitans infection did not respond to systemic doxycycline therapy, despite good susceptibility in vitro. CONCLUSIONS: The present case of severe A. actinomycetemcomitans-associated peri-implantitis shows the importance of pre-operative infection control. The findings in this case show that remaining teeth affected by periodontitis can be a serious risk factor for peri-implantitis.
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6/39. Subpontic osseous hyperplasia: a case report.

    Subpontic osseous hyperplasia is an ectopic growth of bone occurring on the edentulous ridge beneath a fixed partial denture replacing a mandibular first molar. A 56-year-old woman experienced an enlargement of the hard and soft tissues beneath the pontic region of a fixed partial denture replacing her mandibular left first molar. Following removal of the fixed partial denture, the bony enlargement was surgically removed, and the bony fragments were submitted for histologic analysis, which demonstrated mature lamellar bone and appositional growth. One year postoperatively, there has been no recurrence of the lesion. The possible etiologies and treatment modalities are reviewed and a rationale for treatment is presented.
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7/39. Treatment of aggressive periodontitis by osseointegrated dental implants. A case report.

    BACKGROUND: Generalized aggressive periodontitis is described as a clinical entity affecting both deciduous and permanent dentition with extensive alveolar bone loss, mobility, and exfoliation of all or many teeth. Controversy exists on dental implant use to restore missing dentition in younger patients. methods: This case report presents a patient diagnosed with aggressive periodontitis who has lost all but 4 of her teeth. Her personal and functional desires led us to include implant therapy in her treatment plan. The hematological data are presented with an analysis of the immunological profile. RESULTS: dental implants were placed, and following 3 months of osseointegration, an implant-supported prosthesis was completed. The patient was followed up for 36 months. CONCLUSIONS: This case report presents an alternative treatment for rehabilitating dentition in a young patient treated for aggressive periodontitis. Similar case studies may help eliminate some of the controversy that exists regarding the use of dental implants in aggressive periodontitis patients.
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8/39. Implant treatment planning and rehabilitation of the anterior maxilla: Part 1.

    Implant-supported restorations have become very popular in the management of the partially or completely edentulous patient. Success depends on attentive treatment planning and coordinated teamwork between the surgeon and the restoring dentist. Implants placed in the anterior maxilla require special attention due to esthetic considerations. This article describes the management of a severely resorbed anterior maxilla using principles of guided bone regeneration followed by implant-supported restorations. This case illustrates some of the problems that can arise during the course of treatment.
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keywords = bone
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9/39. Bone dynamics of osseointegration, ankylosis, and tooth movement.

    Masticatory function challenges the strength and adaptive capability of supporting bone. When osseous tissue is loaded, it accumulates fatigue damage which must be repaired by bone modeling and remodeling. The three principal masticatory abutments (normal teeth, ankylosed teeth and osseointegrated implants) are a dynamic physiologic continuum relative to bone biomechanics. Implants are rigidly integrated units that can only be moved by fracturing the interface. Normal teeth and some ankylosed teeth can be moved using implants for orthodontic and orthopedic anchorage. Because orthodontic translation generates new bone and attached gingiva, it is a form of tissue engineering. Modern interdisciplinary practice requires a thorough knowledge of the principles of bone physiology and biomechanics.
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ranking = 2.5
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10/39. Use of the buccal fat pad in maxillary and sinus grafting of the severely atrophic maxilla preparatory to implant reconstruction of the partially or completely edentulous patient: technical note.

    PURPOSE: To examine the use of the buccal fat pad (BFP) for correction of maxillary osseous defects, preliminary to dental implant reconstructions, and to present patients in whom this technique was used. MATERIALS AND methods: The blood supply of the BFP was investigated with a special laser Doppler flowmetry fiberoptic probe in situ before herniation and after placement of the pedicled BFP over maxillary bone grafts. RESULTS: The possibility of using the BFP pedicle flap to provide an immediate blood supply to a recipient site was confirmed, as it promotes rapid neo-vascularization of the grafted material over which it is placed. No complications were seen in the present patients. DISCUSSION: The BFP has an additional protective function of providing for a multiple-layer wound closure over all types of maxillary bone grafts, thereby preventing graft exposure and enhancing success. CONCLUSIONS: With its high blood flow, the BFP may offer protection and early blood supply to maxillary and sinus bone grafts.
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ranking = 1.5
keywords = bone
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