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Author: Katsoulis Joannis
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Languages : en
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Book Description
BackgroundThree-dimensional preoperative implant planning may help to achieve a more predictable postoperative implant position, minimizing anatomical risks and unfavorable prosthodontic outcomes. While different studies investigated the accuracy of computer-assisted implant placement with static CAD/CAM fabricated surgical templates, information on completely free hand and partially guided approaches is limited.Aim/HypothesisTo compare the postoperative implant position with the virtually planned using free hand, pilot drill and fully guided surgical approaches. The hypothesis was that there would be no differences in the accuracy between the 3 surgical protocols.Material and MethodsA controlled in-vitro study with 60 identical maxillary models (3D printed, polilactid) missing the teeth 16, 15, 24, 25, 26 and 27 was performed. The model and tooth setup were digitized with a cone beam computerized tomography (CBCT) and laboratory surface scan, and superimposed using SmartFusion technology. The study coordinator planned the ideal positions for the implants 15, 24 (13/4.3mm) and 26 (8/4.3mm) with the NobelClinician software. Twenty surgeons viewed this ideal planning and placed totally 180 implants using 3 protocols: A) free hand: mentally guided 2/3.5/4.3mm osteotomies (OST) and implant placement (IP), B) pilot drill: template-guided 2mm OST (tooth supported NobelGuide template, 2mm sleeve) combined with free-hand 3.5/4.3mm OST and IP, C) fully guided: template guided OST and IP (tooth supported NobelGuide template, 2/3.5mm inserts with 4.3mm sleeve). Three-dimensional differences between the digitized postoperative and planned implant positions were measured.ResultsFor the implant protocols A (free hand) vs B (pilot drill) vs C (fully guided) the mean absolute differences (u00b1 SD; range) between the postoperative and the virtually planned implant positions were 1.1mm (u00b10.8; 0.2-4.7) vs 0.7mm (u00b10.4; 0.1-1.8) vs 0.5mm (u00b10.3; 0-1.6) at the entry point, 1.5mm (u00b10.7; 0.3-3.2) vs 1.2mm (u00b10.6; 0.4-2.5) vs 0.7mm (u00b10.4; 0.1-2.1) at the tip, and 5.1u00b0 (u00b14.5; 0.1-27.3) vs 5.0u00b0 (u00b13.2; 0.7-19.0) vs 1.9u00b0 (u00b11.6; 0.1-8.6) for the angle. Statistical comparisons (ANOVA, Bonferroni correction) of the mean values revealed significant differences at the entry point, i.e. A vs B (p
Author: Katsoulis Joannis
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
BackgroundThree-dimensional preoperative implant planning may help to achieve a more predictable postoperative implant position, minimizing anatomical risks and unfavorable prosthodontic outcomes. While different studies investigated the accuracy of computer-assisted implant placement with static CAD/CAM fabricated surgical templates, information on completely free hand and partially guided approaches is limited.Aim/HypothesisTo compare the postoperative implant position with the virtually planned using free hand, pilot drill and fully guided surgical approaches. The hypothesis was that there would be no differences in the accuracy between the 3 surgical protocols.Material and MethodsA controlled in-vitro study with 60 identical maxillary models (3D printed, polilactid) missing the teeth 16, 15, 24, 25, 26 and 27 was performed. The model and tooth setup were digitized with a cone beam computerized tomography (CBCT) and laboratory surface scan, and superimposed using SmartFusion technology. The study coordinator planned the ideal positions for the implants 15, 24 (13/4.3mm) and 26 (8/4.3mm) with the NobelClinician software. Twenty surgeons viewed this ideal planning and placed totally 180 implants using 3 protocols: A) free hand: mentally guided 2/3.5/4.3mm osteotomies (OST) and implant placement (IP), B) pilot drill: template-guided 2mm OST (tooth supported NobelGuide template, 2mm sleeve) combined with free-hand 3.5/4.3mm OST and IP, C) fully guided: template guided OST and IP (tooth supported NobelGuide template, 2/3.5mm inserts with 4.3mm sleeve). Three-dimensional differences between the digitized postoperative and planned implant positions were measured.ResultsFor the implant protocols A (free hand) vs B (pilot drill) vs C (fully guided) the mean absolute differences (u00b1 SD; range) between the postoperative and the virtually planned implant positions were 1.1mm (u00b10.8; 0.2-4.7) vs 0.7mm (u00b10.4; 0.1-1.8) vs 0.5mm (u00b10.3; 0-1.6) at the entry point, 1.5mm (u00b10.7; 0.3-3.2) vs 1.2mm (u00b10.6; 0.4-2.5) vs 0.7mm (u00b10.4; 0.1-2.1) at the tip, and 5.1u00b0 (u00b14.5; 0.1-27.3) vs 5.0u00b0 (u00b13.2; 0.7-19.0) vs 1.9u00b0 (u00b11.6; 0.1-8.6) for the angle. Statistical comparisons (ANOVA, Bonferroni correction) of the mean values revealed significant differences at the entry point, i.e. A vs B (p
Author:
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Languages : en
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Book Description
Computer-guided implant placement can be used throughout the entire implant surgery or on specific steps, such as only with the pilot drill. 15 patients were recruited and divided in 2 groups: in the control group, drilling and implant placement was performed using stereolithographic templates with fully guided sleeves;in the test group only the insertion of the pilot drill was guided by the template with 0.2 mm diameter sleeves, while the remaining drills and the implant insertion were performed freehand by the surgeon. NobelClinician software (Nobel Biocare) was used for implant planning and guide production. The implants included NobelActive and Bru00e5nemark System MKII (Nobel Biocare AB, Gothenburg, Sweden).
Author: Len Tolstunov
Publisher: John Wiley & Sons
ISBN: 1119019893
Category : Medical
Languages : en
Pages : 357
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Book Description
Horizontal Augmentation of the Alveolar Ridge in Implant Dentistry: A Surgical Manual presents the four main methods of horizontal ridge augmentation in a clinically focused surgical manual. After an introductory section and requirements for dental implants, sections are devoted to each procedure: ridge-split, intraoral onlay block bone grafting, guided bone regeneration, and horizontal distraction osteogenesis. Chapters written by international experts in each augmentation procedure Step-by-step instruction for each technique More than 1,100 clinical photographs and illustrations
Author: Seyed Alireza Parhiz
Publisher: Springer Nature
ISBN: 303106223X
Category : Medical
Languages : en
Pages : 163
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Book Description
This book offers a comprehensive overview of the fundamentals of navigation surgery in the head and neck region. Navigation is particularly important in difficult and limited exposure areas, such as the orbit and deep spaces of the head and neck. With the aid of navigation systems, an expert can palpably and accurately measure the amount of bone removed during fracture reductions or resections of bony masses procedures. In addition to reducing surgery time for soft tissue lesions, navigation technique also allows for minimally invasive access to lesions without extensive dissection that is often required for traditional open approaches. Navigation can also be extremely helpful in locating and retrieving foreign bodies. Chapters cover navigation in a variety of different surgical specialties including, but not limited to, trauma surgery, implant surgery, and orthogenetic surgery. Chapters also discuss surgical pathology as well as guided surgeries. The book features detailed case presentations for each surgery sub-topic and discusses future advances in the field that are currently in development. Navigation in Oral & Maxillofacial Surgery is a must-have resource for clinicians, professionals, and practitioners in the fields of oral & maxillofacial surgery, otorhinolaryngology-head & neck surgery, trauma surgery, and plastic surgery, as well as researchers and postgraduate students in related fields.
Author: Jianning Li
Publisher: Springer Nature
ISBN: 3030643271
Category : Computers
Languages : en
Pages : 127
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Book Description
This book constitutes the First Automatization of Cranial Implant Design in Cranioplasty Challenge, AutoImplant 2020, which was held in conjunction with the 23rd International Conference on Medical Image Computing and Computer-Assisted Intervention, MICCAI 2020, in Lima, Peru, in October 2020. The challenge took place virtually due to the COVID-19 pandemic. The 10 papers presented together with one invited paper and a dataset descriptor in this volume were carefully reviewed and selected form numerous submissions. This challenge aims to provide more affordable, faster, and more patient-friendly solutions to the design and manufacturing of medical implants, including cranial implants, which is needed in order to repair a defective skull from a brain tumor surgery or trauma. The presented solutions can serve as a good benchmark for future publications regarding 3D volumetric shape learning and cranial implant design.
Author: Harish Kumar Banga
Publisher: CRC Press
ISBN: 1000620093
Category : Medical
Languages : en
Pages : 431
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Book Description
This reference text discusses integrated approaches to improve the objectives of additive manufacturing in medical application. The text covers case studies related to product design and development, discuses biomaterials, applications of artificial intelligence and machine learning using additive manufacturing techniques. It covers important topics including 3D printing technology, materials for 3D printing in medicine, rapid prototyping in clinical applications, and use of additive manufacturing in customized bone tissue engineering scaffold. The text- Discusses additive manufacturing techniques and their utilization in medical applications. Covers important applications of additive manufacturing in the fields of medicine, education and space industry. Explores regulatory challenges associated with the emergence of additive manufacturing. Examines the use of rapid prototyping in clinical applications. The text will serve as a useful reference guide for graduate students and academic researchers in the fields of industrial engineering, manufacturing science, mechanical engineering, and aerospace engineering. This book discusses important application areas of additive manufacturing, including medicine, education, and the space industry, this reference text will be a serve as a useful text for graduate students and academic researchers in the fields of industrial engineering, manufacturing science, mechanical engineering, and aerospace engineering.
Author: Frauke Müller
Publisher: Quintessence
ISBN: 9783868673111
Category : Dental implants
Languages : en
Pages : 0
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Book Description
"After a very successful series of eight previous treatment guides, it seems logical to think about our patients as they grow older and may become frail and more dependent on care. Volume 9 of the ITI Treatment Guide attests to the ITI's holistic approach to implant dentistry and to its professional responsibility for patients who have aged with implant-supported restorations in place, as well as for patients at a more advanced age who, until late in life, can benefit from the progress we have made in terms of the materials and techniques that present-day implant dentistry has to offer" --
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Languages : en
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Book Description
Background: Virtual planning and subsequently guided implant placement with a surgical template allows for flapless surgery. However, rising a flap can often not be avoided due to insufficient bone volume and mucosal quality. The use of pilot drill templates combines the advantages of preoperative virtual implant planning and the possibility of additional surgical augmentative procedures with a conventional flap. However, little data is available comparing the time needed to perform these placement methods.Aim/Hypothesis: To compare the duration of oral implant placement between free-hand (with flap), partially guided (with flap) and fully guided (flapless) surgical approaches. The null-hypothesis was that the distribution of time duration would be the same across the three methods.Material and Methods: A controlled in-vitro study with 60 identical maxillary models (3D printed polylactic acid filament) missing the teeth 15 and 24/25/26 (FDI) was performed. Based on a cone beam tomography and a surface scan an ideal virtual implant planning was prepared for the three positions 15 (length/diameter 13mm/4.3mm), 24 (13mm/4.3mm) and 26 (10mm/4.3mm). Twenty dentists viewed this specific planning and subsequently performed the placement of 3 implants per model and approach: A) free hand (no surgical template, with flap), B) pilot-drilling (NobelGuide tooth supported template, 2.0mm sleeve, with flap), C) fully-guided (NobelGuide tooth supported template, 4.3mm sleeve, flapless). Non-parametric methods were used for statistical comparison of the time duration between the approaches.Results: The mean time duration for placement of the 3 implants (15, 24, 26) was significantly different between the three approaches (Kruskal-Wallis Test p
Author: Kristian Kniha
Publisher: Springer Nature
ISBN: 303075216X
Category : Medical
Languages : en
Pages : 99
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Book Description
This book is an accurate introduction to guided implantology. As practitioners with many years of experience, the authors present an important basis for scientific findings and a valid decision-making aid for digital oral surgery. Readers are invited to learn step by step about full guided surgery. Numerous full color images demonstrate the anatomical details and risks during implantation. On top, cases are included for effective case and know-how presentation. In addition, the current literature is presented. Overall, this work appeals to beginners and experts alike.
Author: Kevin Arce
Publisher: Elsevier Health Sciences
ISBN: 0323732933
Category : Medical
Languages : en
Pages : 145
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Book Description
This issue of the Atlas of the Oral and Maxillofacial Surgery Clinics of North America focuses on Computer Aided Oral and Maxillofacial Surgery, and is edited by Dr. Kevin Arce. Articles will include: Computer Aided Planning and Placement in Implant Surgery; Patient-specific CAD-CAM Osteosynthesis in Orthognathic Surgery; 3-D Soft Tissue Simulation in Orthognathic Surgery; Computer Assisted Design and Manufacturing in Combined Orthognathic and Temporomandibular Joint Surgery; Computer Aided Design and Manufacturing in the Management of Craniofacial Congenital Deformities; Computer Assisted Planning and Intraoperative Navigation in the Management of Temporomandibular Joint Ankyloses; 3-D Computer-assisted Surgical Planning, Manufacturing, Intraoperative Navigation and CT in Maxillofacial Trauma; 3-D Computer Assisted Surgical Planning, Manufacturing and Intraoperative Navigation in Oncologic Surgery; 3-D Computer Assisted Surgical Planning and Manufacturing in Complex Mandibular Reconstruction; 3-D Computer Assisted Surgical Planning and Manufacturing in Complex Maxillary Reconstruction; Developing an In-House Computer Assisted and Manufacturing Program for Craniomaxillofacial Surgery; Integration of Minimally Invasive Orthognathic Surgery and 3D Virtual Planning in Orthognathic Surgery; and more!
