| Technique | Features |
|---|---|
| 1. Infiltration | Also called as submucosal analgesia. Terminal branches or free nerve endings are anesthetized. Only that area into which the local anesthetic solution is infiltrated is anesthetized. |
| 2. Field Block | Large Terminal Branches are anesthetized. |
| a) Paraperiosteal | Most commonly used technique. The solution is deposited alongside the periosteum. It is indicated widely in the porous maxilla than in the dense mandible. |
| b) Interosseous | Means injecting directly into the bone. Painful and dangerous procedure. It is not commonly used. |
| c) Interseptal | It is most effective in children and young adults. LA is injected into the thin porous interseptal bone. |
| d) Intraligamentary | Most effective for anesthetizing single tooth by injecting LA into the periodontal ligament under high pressure. |
| e) Intrapulpal | LA is injected into the pulp chamber. The needle should be wedged firmly. |
