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I am doing a thesis in dental surgery to obtain my doctoral degree in dental surgery. the subject of my thesis is: The contribution of 3D printing to the manufacture and precision of surgical guides in dental implantology: current data Executive Summary Surgical implantology is a discipline that involves positioning mechanical equipment in biological tissue. Correct three-dimensional positioning of the implant combined with sufficient bone and gingival volumes is imperative. The quality of the supraimplant prosthesis is mainly due to the positioning of the implant in the bone tissue, which is therefore dependent on the experience of the practitioner performing the implant placement. The use of surgical guides from a diagnostic wax up by a dental technician has reduced implant positioning errors. However, these “artisan” guides are not free of shortcomings/weaknesses/errors, as they are designed by a human intermediary. Nowadays, the technological tools available, both radiological and electronic, are directing implant planning towards the digital whole. Digital implant planning or “virtual” surgery makes it possible to reduce the operating time of the operation and lead to less invasive surgery. Thanks to the continuous digital workflow, it is now possible to plan all steps from implant treatment to the design and manufacture of computer-assisted surgical guides using software. Several manufacturing methods exist to produce these guides, including stereolithography and more recent 3D printing. In addition to reducing production costs, this last simple and quick method of use makes it possible to systematize digital implant planning, from single to total edentulous gap. The objective of this thesis will be to analyze the existing literature to date in order to evaluate the benefits of 3D printing in guided implant surgery compared to other methods. of manufacturing. Thesis plan INTRODUCTION I. GUIDED SURGERY in dental implantology: CURRENT CONCEPTS and METHODS OF MANUFACTURING I.1 Definition I.2 The Different surgical guides I.3 Traditional design protocol I.4. Digital design protocol I.4.1. Preoperative data acquisition (CBCT, scanner, other) I.4.2. Numerization of models in the laboratory following a conventional impression I.4.3. Optical impression scanning I.4.4. Implant planning software II. 3D PRINTING: PRODUCTION OF A GUIDE II.1 Definition II.2. 3D printer types II.3 Technologies used for dental implantology II.4 Materials III. Advantages and disadvantages of 3D printing in dental implant surgery: ANALYSIS OF THE LITERATURE III.1 Surgical precision III.2 Stability of the guide III.3 Cost of production III.4. Transfer of information between laboratory and practice Synthesis of the results CONCLUSION I’d like you to take care of part 3. III. Advantages and disadvantages of 3D printing in dental implant surgery: ANALYSIS OF THE LITERATURE by focusing on SURGICAL GUIDES for DENTAL implants by analyzing recent articles I will provide you with a list of items but you can also use other items if you find relevant ones. I am in France and my thesis will be in French I will translate all of them myself afterwards

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