| Parameter | Acceptable Range | Impact | |-----------|------------------|--------| | Margin gap | < 100 µm (clinically < 120 µm) | Microleakage, recurrent caries | | Occlusal contact | 50–100 µm below antagonist | Post-op sensitivity | | Proximal contact | 15–40 µm (loose) to tight (negative clearance) | Flossing difficulty or food impaction | | Connector cross-section (bridge) | ≥ 9 mm² for posterior, ≥ 12 mm² for anterior | Fracture resistance |
allow for same-day dentistry, where a patient can receive a final restoration in a single appointment. Material Diversity: dental cad
| Feature | General CAD (SolidWorks, Fusion) | Dental CAD (3Shape, exocad) | | :--- | :--- | :--- | | | Millimeters / Inches | Tooth morphology and occlusion | | Primitives | Cubes, spheres, cylinders | Pre-molars, incisors, cuspids | | Key Operation | Extrude, revolve, loft | Margin detection, crown morphing | | Constraints | Mechanical fit | Biological emergence profile, contact points | | Output | STEP, IGES, STL | STL, 3MF, PLY (with color) | | Material Logic | Strength, weight | Shrinkage compensation, sintering scaling | | Parameter | Acceptable Range | Impact |