A 40-year-old patient has an indication for the extraction of central maxillary incisors. What nerve structures are blocked by the incisor anesthesia?

Answer options

1. Anterior superior alveolar branch of the infraorbital nerve
2. Dental nerve plexus
3. Middle superior alveolar branch of the infraorbital nerve
4. Posterior superior alveolar branch of the infraorbital nerve
5. Nasopalatine nerve