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The history of dental implants -- Overview of the Bicon system -- Characteristics of implant-abutment prosthetic systems : a paradigm shift -- Biologic response to dental implants -- Engineering aspects of Bicon implants -- The influence of the implant-abutment interface on peri-implant health -- The survival of short implants -- Treatment planning and basic procedures -- Anterior implant placement -- Implant placement in adolescents -- Restorative techniques -- Sinus lift techniques -- Ridge splitting and the split-thickness flap -- Atrophic maxillary ridges -- Atrophic mandibular ridges -- Factors affecting bone levels and restorations of short implants -- Implant placement in compromised tissue -- Bone voids -- Bone regeneration : materials and techniques
This comprehensive guide to short implants will take the reader through their research and development, explain the clinical indications, evaluate the outcomes achieved with various implants, and explore restorative and laboratory considerations. Short implants have steadily gained greater market share in the last decade as practitioners sought alternatives to traditional length implants in order to avoid grafting procedures. Current manufacturers offer a variety of implant lengths and widths, allowing surgeons and restorative dentists the ability to select the best implant for each clinical circumstance. Cutting edge information is provided on the research and clinical results achieved utilizing a range of implants, specifically those developed by Nobel Biocare, Straumann, Jack Hahn, and Bicon. Readers will also find an extensive description of the role of ultra-short implants involving reconstruction in both cleft patients and cancer patients who have lost portions of their mandible and/or maxilla. This book is a must-have for those interested in learning how the use of short and ultra-short implants offers both surgeons and restorative dentists an opportunity to stand out from those that use only the traditional length implants.
Bone loss is the most essential cause of dental implant failure. Comparing to the conventional implants, short implants may fail more rapidly because of their reduced length, especially in case of crestal placement. 0.2 mm mean annual bone loss was recommended as a criterion for implant success. Due to bone loss, even under physiological functional loading, bone overload may occur, which, in turn, provokes complementary bone loss. These processes significantly worsen implant long-term prognosis.The aim of this study was to evaluate and compare load-carrying capacities of the spectrum of fully and partially osseointegrated Bicon short implants to establish their prognosis in posterior maxilla under oblique functional loading.The concept of ultimate functional load (UFL) was proposed (Demenko et al., 2011) to compare load-carrying capacities of fully and partially osseointegrated (0.2 mm annual bone loss) 5.0 (S), 6.0 (M) and 8.0 mm (L) length and 5.0 mm diameter Bicon SHORTu00ae implants. Their 3D models were placed crestally and bicortically in corresponding posterior maxilla segment models with type III bone. They were designed in Solidworks 2016 software and had 1.0 mm cortical crestal and sinus bone layers. Implant and bone were assumed as linearly elastic and isotropic. Elasticity moduli of cortical/cancellous bone were 13.7/1.37 GPa. Bone-implant assemblies were analyzed in FE software Solidworks Simulation. 4-node 3D FEs were generated with a total number of up to 2,532,000. 120.92 N oblique load was applied to the center of 7.0 mm abutment. Von Mises stresses (MESs) were evaluated for bone-implant assemblies to determine UFL magnitudes for fully and partially osseointegrated implants and compare them.Maximal MESs for fully osseointegrated implants (26u202631 MPa) were found on the surface of crestal cortical bone. For partially osseointegrated implants they were discovered in migrating critical points inside crestal cortical bone (27u202632 and 41u202646 MPa for 0.2 and 1.0 mm bone loss). For fully osseointegrated implants, UFL magnitudes were 396u2026465 N. For partially osseointegrated implants and 0.2 bone loss, UFL magnitudes were 377u2026447 N, while for 0.4 mm u2013 356u2026417 N, for 0.6 mm u2013 327u2026366 N, for 0.8 mm u2013 314u2026356 N, and for 1.0 mm u2013294u2026336 N. So, after 5 years in function (1.0 mm bone loss), the following reduction of implant load-carrying capacity was determined: 26, 27 and 28% for S, M and L implants. Thus, all UFL magnitudes were much higher than mean maximal functional loading (120.92 N). Furthermore, for all scenarios, UFL magnitudes were above 275 N maximal functional loading for molar area. Finally, the difference between UFL magnitudes for S and M implants was approximately 5%. Short implant prognosis in terms of gradual bone loss is of crucial importance in implant dentistry. Studied Bicon SHORTu00ae implants were found moderately sensitive to bone loss, at least for 5 years in function and 1.0 mm cortical bone thickness. They were also capable to withstand 275 N maximum functional loading for molar area. Their load-carrying capacity was not substantially dependent on implant length, at least within 5u20268 mm, so this extends their application, especially in bone loss.
Research has shown that short implants are not only a viable option but oftentimes a superior one that carries fewer risks for the patient and dentist, especially in resorbed jaw sites. As clinical trials continue to underscore the safety and efficacy of short implants, more dentists are considering their use with real interest, and this book provides the information clinicians need to incorporate short implants into their own practice. The book reviews the clinical effectiveness of short implants and then describes treatment protocols for the various types of short implants and their placement in different areas of the mouth. Case presentations demonstrate the recommended techniques and showcase the results.
This book examines the latest technologies and developments in oral and maxillofacial surgery. It presents information in an easy-to-read format and meticulously details each surgical technique. Thorough and accurate chapters comprehensively present procedures and treatments step-by-step procedures objectively. Each chapter follows a consistent format of which includes the scientific documentation of the procedure through clinical studies, objective benefits for the patient, detailed explanations of the procedure, levels of treatment complexity according to the SAC (simple -advanced complex) classification, and cost-effectiveness of the procedure for the patient and clinician. Extensive images, figures, and tables supplement select chapters to aid in visual learning. Extensive and unique, Innovative Perspectives in Oral and Maxillofacial Surgery is a vital tool for all dental specialists ranging from undergraduate students to established oral maxillofacial surgeons.
Fundamentals of Implant Dentistry is a basic guide to foundational knowledge and skills and their application in clinical practice. More comprehensive than a procedural atlas and more accessible than a specialist reference, this text is an indispensable tool for dental students and clinicians beginning work with dental implants. Fundamentals of Implant Dentistry provides a concise yet comprehensive look at the basic background and science of implantology and includes practical, evidence‐based instruction on common procedures such as single implant crowns, bridges and overdentures. Well‐illustrated with clear line drawings and clinical photos, the book serves as the perfect introduction to this exciting area of dentistry.
Bicon short implants have successfully proven themselves in the maxillary molar region with insufficient bone height and poor bone quality. To improve crestal bone healing, autogenous bone is placed in the gap between implant neck and implant bed. But even for such approach, the quality of the augmented bone is not fully predictable, though cortical bone strength is the key criterion of implant success. Finite element (FE) method allows precise analysis of this complex biomechanical system. The aim of this study was to evaluate the prospect of different-sized short plateau implants placed in atrophic posterior maxilla depending on the degree of augmented bone quality under oblique functional loading. 5.0 mm length and 4.0 (N), 5.0 (M), 6.0 (W) mm diameter Bicon SHORT u00ae implants were selected for this comparative study. Their 3D models were placed crestally in twelve posterior maxilla segment models with type III bone. They were designed using CT images in Solidworks 2016 software with 1.0 mm crestal/sinus cortical and 4.0 mm cancellous bone layers. Each model geometry was 10u00d730u00d719 mm. Implant and bone were assumed as linearly elastic and isotropic. Elasticity moduli of cortical/cancellous bone were 13.7/1.37 GPa. Four degrees of augmented bone quality were simulated: 100% (E1=13.7 GPa), 75% (E2=10.3 GPa), 50% (E3=6.85 GPa) and 25% (E4=3.43 GPa). Bone-implant assemblies were analyzed in FE software Solidworks Simulation. 4-node 3D FEs were generated with a total number of up to 4,040,000. 120.92 N mean maximal oblique load (molar area) was applied to the center of 7.0 mm abutment. Von Mises equivalent stress (MES) distributions were studied to determine the areas of bone overload. Analysis of MESs distributions in cortical bone has showed that their maximal magnitudes were found in crestal area. The spectrum of maximal MESs in augmented bone was between 9.5 MPa (W,E4) and 37 MPa (N,E1). They were influenced by implant diameter and augmented bone quality. MES reduction due to diameter increase from 4.0 to 6.0 mm was 52.7, 54.5, 55.4 and 54.8% for E1, E2, E3 and E4 bone quality. MES reduction due to two-fold augmented bone quality decrease (E1 versus E3) was 24.3, 30.2 and 28.6% for N, M and W implants. However, reduction of augmented bone quality caused significant overload of cancellous bone (5-17 MPa). Only for E1 bone, maximal MES in cancellous bone was approximately 5-7 MPa. In all other scenarios, maximal MES substantially exceeded 5 MPa strength of cancellous bone. N implants were found to be the most susceptible to the quality of augmented bone: E1 to E4 bone quality reduction has led to 126 and 82% MES rise for N and W implants. Under mean maximal functional loading, sufficient influence of augmented bone quality on crestal bone-implant interface was established. However, crestal bone overload is highly unlikely because MESs were found to be lesser than 100 MPa ultimate bone strength. Contrarily, E2-E4 bone quality scenarios are critical from the viewpoint of cancellous bone overload and implant failure. Placement of wider implant allows to decrease this risk.
Dental implants have become one of the most popular and rapidly growing techniques for replacing missing teeth. While their predictability, functionality, and durability make them an attractive option for patients and clinicians alike, complications can arise at any stage from patient assessment to maintenance therapy. Dental Implant Complications: Etiology, Prevention, and Treatment, Second Edition, updates and expands the hallmark first edition, which was the first comprehensive reference designed to provide clinicians of all skill levels with practical instruction grounded in evidence-based research. Featuring cases from a variety of dental specialties, the book covers the most commonly occurring implant complications as well as the unique. Dental Implant Complications: Etiology, Prevention, and Treatment, Second Edition, is organized sequentially, guiding the reader through complications associated with the diagnosis, treatment planning, placement, restoration, and maintenance of implants at any stage. Complications associated with various bone augmentation and sinus lift procedures are also discussed in detail with emphasis on their etiology and prevention. Each chapter utilizes a highly illustrated and user-friendly format to showcase key pedagogical features, including a list of “take home tips” summarizing the fundamental points of each chapter. New chapters include discussions of complications from drug prescribing, implant naturalization, cemented restorations, loose implant restoration syndrome, and craniofacial growth. Readers will also find more case presentations to see how complications have been managed in real-world situations. Dental Implant Complications: Etiology, Prevention, and Treatment, Second Edition, brings together contributions from leading experts in the field under the superior editorship of Dr. Stuart Froum. With its pragmatic approach to preventing and managing implant complications, this expertly crafted text continues to serve as an indispensable clinical reference and guide for all dentists placing or restoring implants.