Free drill · Clinical domain
Local anesthesia, block by block.
Which injection covers which teeth, the landmarks, and the math that keeps a patient safe. Maximum doses, cartridge calculations, and the epinephrine cardiac limit — answered with the reasoning, the moment you choose.
- ✓Blocks and coverage. IA, PSA, MSA, ASA, greater palatine, nasopalatine — and exactly what each one numbs.
- ✓The numbers that keep patients safe. Max recommended doses, cartridge math, and the epi cardiac dose.
- ✓Feeds your dashboard. Your score rolls into your Clinical readiness.
12 questions · about 12 minutes
Nerve blocks
—
0%
12 questions
—
—
Keep this · the safety numbers
| Lidocaine 2% | 20 mg/mL → 36 mg per 1.8 mL cartridge |
| Lidocaine max | ~7 mg/kg, absolute max 500 mg (with epi) |
| Epi 1:100,000 | 0.01 mg/mL → 0.018 mg per 1.8 mL cartridge |
| Epi — healthy | max 0.2 mg per appointment |
| Epi — cardiac | max 0.04 mg per appointment (≈ 2 cartridges of 1:100,000) |
This drill is a study aid, not clinical guidance for treating patients. Maximum doses are standard published figures; always follow the manufacturer's labeling, your supervising dentist, and the individual patient's medical status. The House of Hygiene is not affiliated with or endorsed by the JCNDE.