Abstract
Proper maxillomandibular relationship registration can be clinically challenging during a digital workflow in full-arch rehabilitations. This dental technique requires the manufacturing and use of a hybrid surgical guide custom scanning device, indicated to be used during implant placement surgery, in addition to being used to simultaneously register the maxillomandibular relationship and transfer the implants’ 3D positioning, ensuring a fully digital workflow in full-arch implant-supported prosthesis rehabilitation. The sequence of steps presented here will allow dentists and dental technicians to conduct rehabilitations from denture to the final implant-supported prosthesis using a full-digital protocol, using a minimal quantity of intraoral devices and digital tools.
Highlights
Digital impressions with intraoral scanners in a digital workflow have been welldocumented in the literature as a suitable alternative to conventional impressions [1]
Intraoral scanners can be used to digitally capture edentulous arches, they are usually difficult to use for inexperienced clinicians [3,4,5]
In the present report the custom scanning device is a hybrid device applied in in the present report the custom scanning device is a hybrid device applied in the the surgical step for proper implant placement, as well as to improve the scanning process, surgical step for proper implant placement, as well as to improve the scanning process, the the transferring of oral tissue characteristics, implants’
Summary
Digital impressions with intraoral scanners in a digital workflow have been welldocumented in the literature as a suitable alternative to conventional impressions [1]. In this sense, virtual impressions can be performed, reduce visits to the dental office, are comfortable to the patient, can record the oral tissues without pressure, allow the correction of errors, and reduce the influence of dental material properties such as expansion, shrinkage, and distortion [2,3]. Errors in capture can generate distortion in the digital model, which can compromise the accurate fabrication of the prosthesis due to the failure in precisely replicating the implants’ three-dimensional positioning and their relationship to the surrounding tissues [6,7]. Implant placement with computer-guided surgery can increase implant survival rates and reduce treatment costs in comparison to free-hand implant placement protocols [10]
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