Evaluation of Accuracy Between Full and Pilot-drill-only Template-guided Implant Surgery PDF Download
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Languages : en
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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).
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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: Katsoulis Joannis
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Languages : en
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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: Werner Millesi
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Languages : en
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Background: Predictable results and low positional deviation may be achieved when dental implants are placed via stereolithographic templates in the healed alveolar ridge. However, when guided implant placement into fresh extraction sockets is attempted, drilling precision may be compromised due to the steep angle between drill and alveolar wall.Aim: To investigate the influence of drilling protocol as well as angle between drill and bone on the precision of template-guided implant placement in an artificial bone and soft tissue model of a human maxilla.Materials and Methods: Four different angles between drill and bone surface were investigated (69 drills each): 10u00b0, 20u00b0, 30u00b0 (representing immediate implant placement) and 90u00b0 (representing late implant placement). The drilling protocol involved 2mm pilot drills with or without prior use of precision drills. Differences were evaluated via Wilcoxon tests and multivariate regession analysis.Resultats: No difference in angular deviation of late implants (2.5u00b0) was observed between both drilling protocols. A significantly higher deviation of immediate implants was seen at 10u00b0-30u00b0 angle (p
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: Louis J. Boucher
Publisher: Mosby
ISBN:
Category : Medical
Languages : en
Pages : 376
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Book Description
Author: Daskalaki, Andriani
Publisher: IGI Global
ISBN: 160566734X
Category : Computers
Languages : en
Pages : 346
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Book Description
Informatics in Oral Medicine: Advanced Techniques in Clinical and Diagnostic Technologies provides innovative research techniques on current technologies in the management of problems in oral health and medicine.
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: Steven J. Sadowsky
Publisher: John Wiley & Sons
ISBN: 1119080037
Category : Medical
Languages : en
Pages : 400
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Book Description
Evidence-based Implant Treatment Planning and Clinical Protocols provides a systematic approach to making treatment decisions and performing restorative procedures. Offers a clinically relevant resource grounded in the latest research Applies an evidence-based approach to all aspects of implant dentistry, including maxillofacial prosthodontics, from planning to surgery and restoration Describes procedures in detail with accompanying images Covers all stages of treatment, from planning to execution Includes access to a companion website with video clips demonstrating procedures and the figures from the book in PowerPoint
Author: Ilser Turkyilmaz
Publisher: BoD – Books on Demand
ISBN: 9535117416
Category : Medical
Languages : en
Pages : 278
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Book Description
Implant dentistry has changed and enhanced significantly since the introduction of osseointegration concept with dental implants. Because the benefits of therapy became apparent, implant treatment earned a widespread acceptance. Therefore, the need for dental implants has caused a rapid expansion of the market worldwide. Dental implantology continues to excel with the developments of new surgical and prosthodontic techniques, and armamentarium. The purpose of this book named Current Concepts in Dental Implantology is to present a novel resource for dentists who want to replace missing teeth with dental implants. It is a carefully organized book, which blends basic science, clinical experience, and current and future concepts. This book includes ten chapters and our aim is to provide a valuable source for dental students, post-graduate residents and clinicians who want to know more about dental implants.
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Languages : en
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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
