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Periapical Block
Aka: Periapical Block, Periapical Nerve Block, Supraperiosteal Dental Anesthesia, Buccal Anesthesia
- See Also
- Inferior Alveolar Block
- Indications
- Tooth Anesthesia for all but the molar teeth
- Most useful for the upper teeth
- Inferior alveolar Nerve Block is preferred for the lower teeth
- Preparation
- Bupivicaine 0.25% with Epinephrine 2 cc in a 3 cc syringe (or dental control syringe)
- Needle 27 gauge 1.25"
- Topical benzocaine 20% gel
- Technique
- Apply topical benzocaine 20% gel to injection site
- Grasp the upper lip with gauze and retract
- Insert needle into the Buccal mucosa above the affected tooth
- Needle insertion site is at the mucobuccal fold
- Fold is where the upper lip meets the Buccal mucosa
- Angle the needle toward the Maxilla
- Advance the needle until it strikes the Maxilla
- Withdraw the needle 1 mm
- Aspirate and then inject the 1-2 cc of Bupivicaine
- Resources
- Medscape EMedicine: Oral Nerve Block
- http://emedicine.medscape.com/article/82850-overview#showall
- References
- Stine (1994) Practical Approach to Emergency Medicine, 2nd ed., Little Brown, Boston, p. 1033