This high-yield revision note on Hemostasis & Anticoagulants: Dental Management of Patients on Warfarin covers everything examiners typically test under Oral Surgery — structured as quick-reference tables, clinical correlations, mnemonics and previous-year-style high-yield points. It's built for last-mile revision before NEET MDS, INI-CET MDS and INBDE, so you can scan it in minutes instead of re-reading a whole textbook chapter.
| Drug/Condition | Mechanism | Dental Management |
|---|---|---|
| Warfarin | Vitamin K antagonist - inhibits factors II, VII, IX, X | Check INR (generally safe for routine extraction up to INR ~3.5); do NOT stop routinely - use local hemostatic measures (tranexamic acid mouthwash, sutures, gelatin sponge, pressure) |
| Aspirin/other antiplatelets | Irreversible COX-1 inhibition (aspirin) | Usually continued for single-tooth extractions; local hemostatic measures suffice |
| DOACs (dabigatran, rivaroxaban, apixaban) | Direct thrombin or Factor Xa inhibitors | Time extraction to drug trough level if possible; consult treating physician for high-risk/multiple extractions |
| Hemophilia A/B | Deficiency of Factor VIII / IX | Factor replacement before invasive procedures; AVOID inferior alveolar nerve block (risk of deep space/pharyngeal hematoma) - prefer local infiltration/articaine buccal infiltration where possible |
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