Journal
How computer-navigated implantology changes a procedure
What actually happens in digital implant planning — and why template-guided surgery is the new standard today.
“Computer-navigated” sounds like a marketing term. In fact, it stands for a fundamentally different procedural sequence than classic free-hand implantology.
Step 1: CBCT instead of two-dimensional X-ray
Planning begins with a Cone Beam Computed Tomography (CBCT) — a three-dimensional X-ray scan of the jaw. The radiation exposure is significantly lower than for a classic CT, but it provides anatomical data accurate to the millimetre: bone availability, nerve pathways, sinuses.
Step 2: Digital impression
In addition, an intraoral scanner captures the surface of the teeth. The result: a digital model combining the inside view of the bone (CBCT) with the outside view of the teeth (scan), merged in three dimensions.
Step 3: Prosthetically driven planning
This is where the decisive difference lies. Instead of placing the implant first and then adapting the crown to it, the order is reversed: what should the future crown look like? The ideal implant position is derived from this. The position is fixed on screen to the millimetre — not during the procedure itself.
Step 4: Surgical guide from the 3D printer
An individual surgical guide is fabricated from the digital plan. During the procedure it is fitted onto the teeth and guides the drills exactly into the planned position. The implant lands where it was planned — without deviation from manual work.
What this means for the patient
- Shorter procedure times. The actual work is done in minutes, not hours.
- Minimally invasive. In many cases, no incision, no sutures. A small opening in the gum is enough.
- Predictable result. The final crown fits because it was already considered during planning.
- Lower risk. Nerves and sinuses are visible in the 3D representation and are avoided.
Limits of the method
Not every situation is suitable. With very narrow bone availability, complex anatomical particularities or when additional bone augmentation is required, the classic approach remains an option. The decision is made after the analysis — not before.