Name: dynamic navigation for dental implant placement
Uploaded: 2022-09-13T12:40:00
Description: Watch this Scientific Journal Video about Dynamic Navigation for Dental Implant Placement at JoVE.com

This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.

Informed consent was obtained from every patient before surgery. After the interventions anonymized retrospective data was used in this study.
1. Steps in the traditional workflow of dynamic navigation systems using labeled clip calibration method (only for use on jawbone with teeth):
<ol>
	<li>Attach a radiopaque fixation clip to the teeth of the jawbone where the treatment is to be performed (maxilla/mandible) using a thermoplastic material.</li>
	<li>Make a CBCT examinati...

<ol>
	<li>Block, M. S., Emery, R. W., Cullum, D. R., Sheikh, A. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Implant+placement+is+more+accurate+using+dynamic+navigation.">Implant placement is more accurate using dynamic navigation.</a> Journal of Oral and Maxillofacial Surgery. 75 (7), 1377-1386 (2017).</li><li>Kaewsiri, D., Panmekiate, S., Subbalekha, K., Mattheos, N., Pimkhaokham, A. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=The+accuracy+of+static+vs.+dynamic+computer-assisted+implant+surgery+in+single+tooth+space:+A+randomized+controlled+trial.">The accuracy of static vs. dynamic computer-assisted implant surgery in single tooth space: A randomized controlled trial.</a> Clinical Oral Implants Research. 30 (6), 505-514 (2019).</li><li>Block, M. S., Emery, R. W. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Static+or+dynamic+navigation+for+implant+placement-choosing+the+method+of+guidance.">Static or dynamic navigation for implant placement-choosing the method of guidance.</a> Journal of Oral and Maxillofacial Surgery. 74 (2), 269-277 (2016).</li><li>Stefanelli, L. V., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Accuracy+of+a+novel+trace-registration+method+for+dynamic+navigation+surgery.">Accuracy of a novel trace-registration method for dynamic navigation surgery.</a> International Journal of Periodontics &amp; Restorative Dentistry. 40 (3), 427-435 (2020).</li><li>Mediavilla Guzman, A., Riad Deglow , E., Zubizarreta-Macho, A., Agustin-Panadero, R., Hernandez Montero, S. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Accuracy+of+computer-aided+dynamic+navigation+compared+to+computer-aided+static+navigation+for+dental+implant+placement:+An+in+vitro+study.">Accuracy of computer-aided dynamic navigation compared to computer-aided static navigation for dental implant placement: An in vitro study.</a> Journal of Clinical Medicine. 8 (12), 2123 (2019).</li><li>Sun, T. M., Lan, T. H., Pan, C. Y., Lee, H. E. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Dental+implant+navigation+system+guide+the+surgery+future.">Dental implant navigation system guide the surgery future.</a> Kaohsiung Journal of Medical Sciences. 34 (1), 56-64 (2018).</li><li>Wu, Y., Wang, F., Fan, S., Chow, J. K. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Robotics+in+dental+implantology.">Robotics in dental implantology.</a> Oral and Maxillofacial Surgery Clinics of North America. 31 (3), 513-518 (2019).</li><li>Block, M. S., Emery, R. W., Lank, K., Ryan, J. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Implant+placement+accuracy+using+dynamic+navigation.">Implant placement accuracy using dynamic navigation.</a> International Journal of Oral &amp; Maxillofacial Implants. 32 (1), 92-99 (2017).</li><li>Panchal, N., Mahmood, L., Retana, A., Emery, R. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Dynamic+navigation+for+dental+implant+surgery.">Dynamic navigation for dental implant surgery.</a> Oral and Maxillofacial Surgery Clinics of North America. 31 (4), 539-547 (2019).</li><li>Emery, R. W., Merritt, S. A., Lank, K., Gibbs, J. D. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Accuracy+of+dynamic+navigation+for+dental+implant+placement-model-based+evaluation.">Accuracy of dynamic navigation for dental implant placement-model-based evaluation.</a> Journal of Oral Implantology. 42 (5), 399-405 (2016).</li></ol>

In the labeled clip-used dynamic navigation implant placement system, the traditional workflow is done by clip calibration. There are three radiopaque metal spheres on the surface of the clip, which are clearly visible on the CBCT scan. In the case of the tracer calibration method, these metal spheres containing clips are neither necessary for the CBCT scanning nor system calibration. In cases with existing teeth, both the labeled and unlabelled clips can be used (two different calibration methods). The clip is attached ...

To increase the accuracy of dental implant placement and reduce the complications, a range of navigation techniques based on imaging studies have been developed. Preoperative imaging and special 3D implant planning software can be used to plan the exact position of the dental implant1,2.
The aim of implant surgery navigation is to accomplish a more anatomically precise placement of the dental implant to achieve the most ideal position, to reduce the risk of possible iatrogenic complications (nerve, vascular, bone, and sinus injuries). The navigated surgery decreases the invasiveness of the intervention (flapless surgery), which can lead to fewer complaints and faster recovery. The accurate implant placement is based on prior prosthetic planning (it is possible to perform the operation on the basis of a preoperative tooth installation) and the optimal implant positioning can help avoid bone grafting.
Nowadays, there are two types of computer-assisted implant (CAI) surgical placement navigation systems-static and dynamic navigation systems. Static navigation is a controlled implant placement method using a preplanned and prefabricated surgical template. Dynamic navigation is a preplanned computer-guided implant surgical placement method without a surgical template using optical control. The control procedure uses point cloud-based image registration to merge the virtual images with the real environment by applying 3D image overlay3.
DCAI systems make possible real-time, objectified instrument control within a GPS-like framework. Typically, they use optical tracking to detect and track the position of (optical) reference markers placed over the patient and the surgical instruments, and provide continuous visual feedback on the implant surgical placement process1,2.
The movement and position of the surgical instrument during surgery can be monitored live on a three-dimensional image on a monitor. During the procedure, the camera system allows continuous monitoring and comparison of the position of the patient&#39;s jawbone and the position of the surgical instrument.
There are two types of dynamic navigation systems: one is the passive system, in which case the registration devices (reference bases) reflect light emitted from the light source back to the stereo cameras; the other is the active system, where the registration devices emit light which is followed by stereo cameras4,5.
The next level of dynamic navigation systems uses servo motors to guide the surgeon&#39;s hand with tactile stimuli so that the device with robotic arms can determine the surgeon&#39;s movements or even replace them completely in the distant future4,5,6,7.

<table border="1" fo:keep-together.within-page="1" fo:keep-with-next.within-page="always">
	<tbody>
		<tr>
			<td>DTX Implant Studio Software</td>
			<td>Nobel Biocare</td>
			<td>106182</td>
			<td>3D surgical planing software</td>
		</tr>
		<tr>
			<td>MeshLab</td>
			<td>ISTI - CNR research center</td>
			<td>2020.12</td>
			<td>3D mesh processing software</td>
		</tr>
		<tr>
			<td>Nobel Replace CC implant</td>
			<td>Nobel Biocare</td>
			<td>37285</td>
			<td>Implant</td>
		</tr>
		<tr>
			<td>X-Guide</td>
			<td>X-Nav - Nobel Biocare</td>
			<td>SN00001310</td>
			<td>dinamic navigation surgery system</td>
		</tr>
		<tr>
			<td>X-Guide - XClip</td>
			<td>X-Nav - Nobel Biocare</td>
			<td>XNVP008381</td>
			<td>3D navigation registration device</td>
		</tr>
		<tr>
			<td>X-Guide planing software</td>
			<td>X-Nav - Nobel Biocare</td>
			<td>XNVP008296</td>
			<td>3D surgical planing and operating software</td>
		</tr>
		<tr>
			<td>X-Mark probe</td>
			<td>X-Nav - Nobel Biocare</td>
			<td>XNVP008886</td>
			<td>3D navigation registration tool</td>
		</tr>
		<tr>
			<td>PaX-i3D Smart</td>
			<td>Vatech</td>
			<td></td>
			<td>CBCT</td>
		</tr>
		<tr>
			<td>Prolene 5.0</td>
			<td></td>
			<td></td>
			<td>5.0 monofilament, nonabsorbable polypropylene suture</td>
		</tr>
	</tbody>
</table>

dynamic navigation for dental implant placement

In modern implantology, the application of surgical navigation systems is becoming increasingly important. In addition to static surgical navigation methods, a guide-independent dynamic navigation implant placement procedure is becoming more widespread. The procedure is based on computer-guided dental implant placement utilizing optical control. This work aims to demonstrate the technical steps of a new dynamic computer-aided implant surgery (DCAIS)&#160;system (design, calibration, surgery) and check the accuracy of the results. Based on cone-beam computed tomography (CBCT) scans, the exact positions of implants are determined with dedicated software. The first step of the operation is the calibration of the navigation system, which can be performed in two ways: 1) based on CBCT images taken with a marker or 2) based on CBCT images without markers. Implants are inserted with the aid of real-time navigation according to the preoperative plans. The accuracy of the interventions can be evaluated based on postoperative CBCT images. The preoperative images containing the planned positions of the implants and postoperative CBCT images were compared based on the angulation (degree), platform, and apical deviation (mm) of the implants. To evaluate the data, we calculated the standard deviation (SD), mean, and standard error of the mean (SEM) of deviations within planned and performed implant positions. Differences between the two calibration methods were compared based on this data. Based on the interventions performed so far, the use of DCAIS allows for high-precision implant placement. A calibration system that does not require labeled CBCT recording allows for surgical intervention with similar accuracy as a system that uses labeling. The accuracy of the intervention can be improved by training.

To use DCAIS correctly, the system must be calibrated. There are several calibration methods that can affect the accuracy of the implant placement. This study aimed to assess the potential impact of different calibration methods on the accuracy of DCAIS.
Based on the interventions performed so far, the use of DCAIS allows a high-precision implant placement. In our early studies, we compared 41 clip calibrated dynamic navigated implant placements with 17 tracer calibrated dynamic navigated impl...

Watch this Scientific Journal Video about Dynamic Navigation for Dental Implant Placement at JoVE.com

Dynamic Navigation for Dental Implant Placement

Dynamic computer-aided implant surgery (DCAIS) is a controlled implant surgical placement method performed without a surgical template using optical control. The real-time intraoperative control of movement and position of the surgical device simplifies the procedure and gives more freedom to the surgeon, providing similar precision as static navigation methods.

In modern implantology, the application of surgical navigation systems is becoming increasingly important. In addition to static surgical navigation ...

Digital computerized implant systems enable real-time objectified instrument control within a GPS-like framework. The position of the instrument during surgery can be monitored live on a three-dimensional image on a monitor. This technique is precise, minimal invasive, does not need a surgical guide template, and easy to use in a small mouth.The planning and surgery can be performed on the same day, and modification is possible during the surgery. It is recommended to practice the method on a dental image before using it in a live situation. The procedure will be demonstrated by Tamas Huszar, an assistant professor from our department.Begin by attaching a radio pack fixation clip to the teeth of the jawbone at the treatment site with the help of a thermoplastic material. Make a cone beam computed tomography or CBCT examination of the patient with a labeled clip in the mouth. Plan the position of the implant according to the prosthetic architecture with the appropriate software.Register the headpiece by calibrating the handpiece chuck and the rotating marker disc, inserted into the handpiece. Then assemble the arm between the patient tracker and the labeled clip and calibrate it. To check the device calibration, fix the labeled clip holding the optical marker or tracker on the teeth on which jaw the implant placement will occur.Ensure to insert the clip in the same position registered on the preoperative CBCT. Then touch the clip's metal spheres with the pivot of the probe to calibrate the labeled clip. To perform the navigated implant placement and local anesthesia, measure the drill length and check the real-time visual accuracy.Determine the entry point of drilling and explore the operation site without the flap. Next, drill the bone with dynamic navigation control. After measuring the implant length, place the implant with the handpiece wearing the dynamic navigation system controlled tracker.Close the wound with 5/0 monofilament non-absorbable polypropylene suture or fix the prefabricated prosthetic work. Then acquire a control radiologic image. Perform CBCT on the patient without a clip in the mouth.Use appropriate software to plan the position of the implant according to the prosthetic architecture and calibrate the device as described previously. For calibrating the system without a labeled clip, transfer the plan of surgical placement of the implant into the navigation system software. Then select the workspace on the three-dimensional CT image of the navigation software.Fix the tracker on the teeth with an unlabeled clip, or, in the case of an edentulous jaw, fix a special tracker holding arm. Then select a minimum of three typical anatomical points on a 3D CT image of the navigation system. Identify the selected anatomical points in the mouth by touching them with a probe tool.Perform the refinement procedure on three to four areas by drawing on the surface of the anatomical structure with a probe. Under local anesthesia, place the implant with navigation and measure the drill length. Check the real-time visual accuracy of the tooth or at the surface of the bone before determining the drilling point and exploring the operation site without the flap.Drill the bone with dynamic navigation control. Measure the implant length before placing the implant with the handpiece wearing the dynamic navigation controlled tracker. Close the wound with a 5/0 monofilament non-absorbable polypropylene suture, or fix the prefabricated prosthetic work.Then, start control radiologic imaging. The data from the early study showed that there was no significant correlation between the platform and angular deviation in buccolingual and mesiodistal directions. When the planned and final position of the implants was compared, the clip calibration method proved more accurate compared to the tracer calibration method with no significant difference.It is essential to check the continuity of the calibration and the tracking of the procedure. The system will signal any malfunction. The procedure allows for a number of tracked dental treatments, such as root apex amputation, orthognathic surgery, endodontic procedures, or complicated wisdom tooth removal.

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