Extraction is the painless removal of complete tooth or the tooth root with minimum damage to the adjoining structures. This is done by injecting a local anaesthetic solution around the tooth being extracted. This leads to numbness over the injected region leading to any absence of pain sensation. The numbness may stay for an hour to 2 hours after which it gradually recedes. During this time the extraction is carried out.
Teeth need to be extracted for the following reasons:
- When the tooth becomes too loose (in case of severe gum / bone disease ).
- Tooth with large cavity which cannot be filled.
- Broken teeth.
- Tooth with large periapical infection.
- Over retained deciduous / milk teeth.
- Prophylactic extraction in case of Orthodontic / Pedodontic treatment.
- Impacted teeth.
- Teeth involved in pathologies like cysts / tumors.