Dental Imaging Workflow System » Web Cephalometry

Lateral cephalometric tracing, categorized into skeletal, dental, and soft tissue outlines.
drawn by connecting specific cephalometric landmarks — whether by straight lines or smooth curves

• Load landmark coordinates (manually placed) for cephalogram.
• Parse the Lateral Tracing JSON to determine which structures to trace.
• Render each structure using SVG (<path>) or Canvas:

• line = straight connection (e.g., SN, FH, incisor axes)
• bezier = smooth bony contours (e.g., mandible)
• spline = continuous anatomical outlines (soft tissue profile)

• Apply dashed styling for reference planes (isReferencePlane: true).

Skeletal Hard Tissue Structures
A. Cranial Base
S → N → Fr (optional, if visible)

Used to establish horizontal reference lines (e.g., S–N line)

B. Maxilla
PNS → ANS → A

Sometimes continues to N and S

C. Mandible Outline
Posterior: Ar → Go

Inferior: Go → Gn → Me

Anterior: Me → Pg → B → A (if combined with maxilla)

D. Mandibular Plane
Go → Gn or Me

E. Occlusal Plane
U1 tip → L1 tip, or U molar → L molar (approximate line through occlusal contact)

2. Dental Structures
These are not usually traced in full but are represented by axes or inclination lines.

A. Upper Incisor Axis
U1 apex → U1 tip

B. Lower Incisor Axis
L1 apex → L1 tip

C. Upper & Lower First Molars
If visible, molar outlines may be approximated for occlusal assessment

3. Soft Tissue Profile
Used for soft tissue analysis (e.g., facial convexity, nasolabial angle):

Na' (Soft Nasion) → Sn (Subnasale) → Ls (Labrale Superius) → Li (Labrale Inferius) → Pg' (Soft Pogonion) → Me' (Soft Menton)

Can be smoothed using splines for better approximation.

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• Use fill="none" in SVGs for not shading the areas.
• Dashed lines are used for reference planes (e.g., S–N, Mandibular plane). Use json key for rendering dashed lines for planes
• All tracing depends on precise landmark placement.