ANATOMY:Left Erupted Canine
Z-POSITION:1.05 m (Midshaft)
SPIRAL HAND:Sinistral (Left)
CRACK PATH:Helical Deflection
1.05m
Synchrotron CT Cross-Section
MID-SHAFT
Sinistral outer spiral channels (6 ridges) guide flexible dentin tubules radially around the tapered neuro-sensory pulp cavity.
Tissue Density Profile (Hounsfield)
Pulp Lumen Diam
12.4 mm
Outer Diameter
48.2 mm
Tubule Density
39,400 /mm²
Mineral Density
1.82 g/cm³
Dynamic Arctic Load Simulation
Load Scenario
Applied Force (Joules)
45 J
Helical Crack Deflection Active: Longitudinal shear is redirected into outer spiral grooves, keeping fractures shallow and preserving central neuro-sensory pulp integrity.
Fracture Mechanics Analysis
Torsional Rigidity
14.8 GPa
Deflection Angle
28.4° Sinistral
Pulp Channel Safety
94.2% Safe
Survival Factor
3.8x Straight
Morphological Counterfactuals
Helical Pitch (Spiral Twist)
1.4 turns/m
Spiral Grooves Count
6 Grooves
Pulp Cavity Taper Ratio
0.78
Laboratory Telemetry Export
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