A technology called Trace Registration (TR) has been introduced to allow dynamic navigation of implant placement without the need for a thermoplastic stent. This study was undertaken in order to validate the accuracy of the TR protocol for dynamically guided implant surgery. A retrospective, observational, in vivo study was performed using dynamic navigation via the TR protocol. The preoperative cone beam computed tomography (CBCT) plan was superimposed and registered (aligned) with the postoperative CBCT scan to assess accuracy parameters. A total of 136 implants were placed in 59 partially edentulous arches. Mean deviation between the planned and actual position for all implants was 0.67 mm at the coronal level (entry point), 0.9 mm at the apical level, and 0.55 mm in depth, with an angle discrepancy of 2.50 degrees. Tracing 5 to 6 teeth tended to improve accuracy results compared to tracing 3 to 4 teeth. TR is as accurate as traditional registration and statically guided methods for implant surgery.

Accuracy of a novel trace-registration method for dynamic navigation surgery / Stefanelli, Lv; Mandelaris, Ga; Degroot, Bs; Gambarini, G; De Angelis, F; Di Carlo, S.. - In: THE INTERNATIONAL JOURNAL OF PERIODONTICS & RESTORATIVE DENTISTRY. - ISSN 0198-7569. - 40:3(2020), pp. 427-435. [10.11607/prd.4420]

Accuracy of a novel trace-registration method for dynamic navigation surgery.

Gambarini G;De Angelis F;Di Carlo S.
2020

Abstract

A technology called Trace Registration (TR) has been introduced to allow dynamic navigation of implant placement without the need for a thermoplastic stent. This study was undertaken in order to validate the accuracy of the TR protocol for dynamically guided implant surgery. A retrospective, observational, in vivo study was performed using dynamic navigation via the TR protocol. The preoperative cone beam computed tomography (CBCT) plan was superimposed and registered (aligned) with the postoperative CBCT scan to assess accuracy parameters. A total of 136 implants were placed in 59 partially edentulous arches. Mean deviation between the planned and actual position for all implants was 0.67 mm at the coronal level (entry point), 0.9 mm at the apical level, and 0.55 mm in depth, with an angle discrepancy of 2.50 degrees. Tracing 5 to 6 teeth tended to improve accuracy results compared to tracing 3 to 4 teeth. TR is as accurate as traditional registration and statically guided methods for implant surgery.
dynamic navigation; accuracy; surgery
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Accuracy of a novel trace-registration method for dynamic navigation surgery / Stefanelli, Lv; Mandelaris, Ga; Degroot, Bs; Gambarini, G; De Angelis, F; Di Carlo, S.. - In: THE INTERNATIONAL JOURNAL OF PERIODONTICS & RESTORATIVE DENTISTRY. - ISSN 0198-7569. - 40:3(2020), pp. 427-435. [10.11607/prd.4420]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/1383732
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