What is a dental surgical guide?
What a surgical guide does, what it is made from, and why guided placement is used at all.
A dental surgical guide is a patient-specific template that seats in the mouth during implant surgery and constrains the drill to a position, angle and depth decided in advance. It is designed digitally from the patient’s own scan data and printed or milled before the appointment.
The point of it is that the decision about where an implant goes is separated from the moment of placing it. Planning happens on screen, with the anatomy visible from every direction and unlimited time to consider it. The guide is what carries that decision into the mouth.
What it constrains
- Position — where the osteotomy starts, in the plane of the arch.
- Angulation — the axis the drill follows, which determines how the implant relates to the planned restoration.
- Depth — how far the drill travels, usually via a stop against the guide.
Why it is used
Guided placement is chosen where the margin for error is small or the consequences of drifting are large: proximity to the inferior alveolar nerve or the maxillary sinus, thin or resorbed bone, a restoration that has already been designed and must be met, or a full arch where several implants have to relate correctly to one another.
It is a tool, not a substitute for planning. A guide reproduces the plan it was designed from — including any error in it.
Guided and pilot protocols
A fully guided protocol keeps the drill inside the guide for the whole osteotomy sequence and often for implant insertion itself. A pilot-drill guide constrains only the first drill, establishing the entry point and axis, after which the sequence is completed freehand.
Which is appropriate is a clinical decision and depends on the case, the access, and the system in use.
DUX designs the guide; it does not print it. You receive a print-ready STL to produce on your own printer, at your laboratory, or at a milling centre.