Common errors
- Circular access cavity missing the buccal horn
- Stopping at one canal without exploring the floor
- Over-instrumenting a thin furcal wall
- Using ISO tip sizes that under-shape oval canals
Basic Students — Closed Access
Upper Second Premolar
4K-BSC-UP
Variable canal anatomy — teaches canal scouting, bifurcation detection, and the principle of "always assume two canals until proven otherwise."
Beginner
Variable Anatomy
Bifurcation
Why this model
Its clinical value.
Upper premolars look simple on a radiograph but hide a second canal more often than not. Training here prevents a career-long habit of declaring "one canal" too quickly.
Clinical context
How this model trains.
Training protocol
- Oval access extending bucco-palatally
- Troughing the floor for a second orifice
- Size #10 scouting each canal to patency
- Apex locator confirmation on both canals
- Simultaneous shaping in small increments
Success criteria
- Both canals located and patent
- Even taper; no strip perforation
- Dual cone seal with homogeneous sealer
Learning outcomes
What the trainee learns.
- Bifurcation detection technique
- Oval access cavity preparation
- Multi-canal obturation strategy
Specifications
Technical details.
- SKU
- 4K-BSC-UP
- Category
- Basic Students — Closed Access
- Printing
- 34μm SLA
- Manufactured in
- Cairo, Egypt
- Pricing
- Contact for institutional pricing
Pair with
Models in the same category.
4K-BSC-UCI
Upper Central Incisor
Single straight canal — the ideal starting case. Builds access cavity design ...
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4K-BSC-U6MB2
Upper First Molar — with MB2
Four-canal upper molar including the elusive MB2. Trains systematic canal loc...
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4K-BSC-LM
Lower First Molar
The most commonly treated molar in endodontics — and the most error-prone. Te...
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