The Artificial Reference Screw (ARS) enables the clinician to create a stable, low-profile reference for a simple, accurate, and predictable alignment between the phases of implant surgery (i.e. pre-op, intra-op, and post-op scans).
Artificial Reference Screws (ARS) come in 2 sizes:
8mm long for the upper jaw palate area
13mm long for the lower jaw
Each package contains one (1) artificial reference screw. ARS and the ARS Scan Body sold separately.