Background: This case series describes the surgical workflow during maxillary full-arch rehabilitations in two patients through the All-on-4 concept (standard and hybrid) assisted by DTX Studio Implant Software planning and X-Guide Navigation. Results: The X-Guide Navigation enabled the drills and implants to be positioned and oriented precisely, allowing the implants to be positioned favorably under the surgical and prosthetic points of view through the avoidance of damage to the maxillary sinus and nasal cavity. Dynamic navigation-assisted surgery provided advantages, including the possibility to modify the implants’ system, length, or location perioperatively. However, it must be underlined that to achieve proficiency with this technology it is necessary to consider a necessary learning curve. Conclusion: The insertion of dental implants assisted by dynamic navigation for maxillary full-arch rehabilitations was considered a safe and predictable procedure. Nevertheless, it can be improved (such as with a simpler fiducial markers protocol), aiming to simplify the procedure.

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Background : Navigation with virtual implant placement provides accurate spacing and angulation of the implants compared with the use of free-hand approaches. The use of virtual implant planning and subsequent navigation also allows for prosthetic and surgical collaboration with precise planning and accurate orchestration of the plan to achieve a high level of patient-specific results. More research is needed to evaluate the outcome of implant-supported surgical procedures assisted by dynamic navigation.Aim/Hypothesis : To describe the workflow of a maxillary full-arch rehabilitation trough the All-on-4 concept assisted by dynamic navigation.