(1) Background: In recent years, there have been many technological advances in intraoral scanners.  These developments have improved the efficiency and accuracy of intraoral scanning in CAD/CAM procedures.  (2) Aim: The study aimed to compare results obtained in dental impression technology with intraoral scaner to impressions taken with conventional impression materials.  (3) Methods: the stages of two types of clinical oral rehabilitation (in dentate and edentulous patients) were compared.  In each clinical situation, both impressions were taken using the classic impression method and digital impressions by intraoral scanning, one involving fixed prosthetics and the other removable prosthetics.  (4) Results: During and after taking intraoral impressions using both the classic and digital methods via intraoral scanning, the digital impression produced a more positive perception than the classic impression. The time needed to perform an impression was statistically significantly shorter for digital one in dentate patients but longer in edentulous patients. (5) Conclusions: Intraoral digital impression techniques offer significant advantages over conventional methods that use impression material to increase patient comfort and improve communication between patients, dental technicians, and clinicians. These advantages are essential for dentate patients.