4K Dental Models
4K-IRS-CI
Immature Open Apex Incisor
Immature Open Apex Incisor · 4K-OAP-UCI
Immature tooth with an open apex requiring apexification or regenerative endodontic procedure. Teaches MTA barrier placement and decision-making for incompletely formed roots.
AdvancedOpen ApexRegenerative
Prices are not published — quoting depends on quantity and anatomy level.
Why this case matters
An open apex cannot be sealed by conventional obturation. The trainee learns when to place an MTA barrier, when to attempt regeneration, and how to hydraulic-seal a wide apex.
Training outcomes
- Apexification vs. regeneration decision
- MTA apical barrier placement
- Hydraulic obturation technique for open apices
Common mistakes this model helps you avoid
- Attempting standard gutta-percha in a wide apex
- No apical control — material extrudes
- Incorrect case selection for regeneration
- Rushing the MTA set before restoration
Suggested training protocol
- Full pulp necrosis confirmation (cold / EPT / radiographic lesion)
- Case decision: apexification vs. regeneration
- Minimal instrumentation + bioactive irrigation (low-NaOCl)
- MTA apical plug 4–5 mm under microscope
- Bonded coronal seal
What a successful exercise looks like
- Dense MTA barrier radiographically
- No material extrusion
- Periapical healing at follow-up
Pair it with
Immature Open Apex & Resorption
4K-IRS-L4
Internal Resorption — L4 Premolar
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