In conventional implant restorations, the implant is positioned inside the patient’s mouth, while the technician cannot directly design the crown intraorally. Therefore, an impression coping is used to transfer the implant’s position and orientation to the impression. The implant analog is then connected to the impression coping and secured within the dental stone. Once the stone sets, a working cast is obtained.
The conventional implant restoration workflow may seem complex, but at its core, it is about one essential task: accurately transferring spatial information—replicating the exact position of the implant in the patient’s mouth onto the working cast in the dental laboratory. The impression captures the intraoral form, while dental stone transforms this information into a physical model that the technician can work with. But, in this transition from the ‘mouth’ to the ‘model’, one component is often overlooked. It does not directly become part of the final restoration, but it plays a critical role in connecting the implant’s actual intraoral position with the working cast. That component is the implant analog.
Why is the analog often overlooked? Because it is rarely the most visible part of the workflow. The focus is usually on questions like:
But there is another critical question in the middle of the workflow: How is the implant’s position accurately replicated on the working cast? This is where the implant analog plays a critical role. Through its precise connection with the impression coping, the analog replicates the implant’s position, orientation, connection geometry, and rotational relationship within the working cast. It does not simply replicate an implant. It replicates the implant’s ‘identity’ and position within the restorative space.
With the development of intraoral scan bodies, CAD/CAM technology, and 3D printing, implant restoration is transitioning from conventional to digital workflows. In the conventional workflow, an impression was required to capture the intraoral form and accurately transfer the implant position to the working cast using an impression coping and implant analog. Today, intraoral scanning and visualized virtual design allow digital information to be captured directly, making it possible to complete much of the implant restoration workflow without a physical model.
So, a seemingly logical question arises: If the implant position is already digitally recorded, do we still need the analog?
The answer is: Yes.
Implant analogs are far from obsolete. They remain an essential part of many digital workflows that still involve physical models—including 3D-printed implant models, physical verification, laboratory procedures performed on printed models, education and training, research, and hybrid workflows that combine digital technology with selected physical steps.
Digitization has not made implant analogs ‘disappear’. Instead, it has transformed them from a necessity into a tool for specific digital workflow. In a truly model-free workflow, the analog can indeed be eliminated entirely. However, whenever digital information needs be transferred back into the physical world, the analog reappears.
While digitalization has improved the efficiency of implant restoration, it has also placed higher demands on the accessories, equipment, and accuracy required at every stage of the workflow. For digital workflows that still require a physical model, implant analogs are evolving accordingly. So, what should a truly digital-workflow-ready implant analog be designed to achieve? From a structural perspective, secure fixation, precise positioning, effective anti-rotation, and ease of use are all critical considerations. These are also key areas that M6 Dental has focused on in the design of its 3D implant analog.
All-round and anti-rotation design｜Stable anti-rotation from multiple angles
In a digital model, rotation of the analog can affect the implant connection orientation and the positioning of the subsequent restoration. Therefore, M6 Dental incorporates an anti-rotational groove design and a guiding-angle design to enhance rotational stability and prevent unintended rotation of the analog. Combined with the 3D Analog Carrier, the design also supports blind insertion.
Chip removal groove design｜Reduce distraction and promote efficiency
The internal structure of a 3D printed model is not always perfectly ideal. During analog placement, printing residue or model debris may enter the working area, preventing complete seating of the analog. To address this practical challenge, M6 Dental incorporates chip removal groove into the analog design. These grooves provide space for debris to accumulate, helping prevent the analog from being lifted or held above its intended position. This helps reduce interference and excessive fit between the analog and the resin model, allowing the analog to seat more easily while improving positioning accuracy and seating reliability.
Two-piece design｜Removable and Reuse
The 3D analog features a two-piece design, with the analog body and fixation screw independently detachable. When adjustment is needed, the analog can be easily disassembled and repositioned without replacing the entire component, enabling convenient repositioning and repeated use.
