What is local anaesthesia in dentistry?
Local anaesthesia in dentistry is an injected medication, typically lidocaine, that numbs a specific area of the mouth and teeth to allow painless treatment.
In dental practice, local anaesthesia refers to injected medication that numbs a limited area of the mouth, allowing the dentist to work without causing pain to the patient. The most common agent is lidocaine, often combined with epinephrine (adrenaline) to prolong the effect and reduce bleeding during procedures.
The injection is administered near the nerves that supply the tooth or area being treated. Onset typically occurs within minutes, and the numbness lasts between one and three hours depending on the specific anaesthetic used, the concentration of epinephrine, and individual patient factors. Patients usually feel normal sensation return gradually as the medication is metabolised by the body.
Local anaesthesia is standard for most common dental procedures, including fillings, extractions, root canal treatment, and gum work. It is considered safe when administered correctly by a qualified dentist. Side effects are rare but may include temporary swelling, bruising at the injection site, or allergic reactions in patients with specific sensitivities.
Your dentist will assess whether local anaesthesia is appropriate for your procedure and discuss any concerns before treatment begins. Most dental clinics across Ghana use local anaesthesia as part of routine care. If you need treatment, general dentistry providers can explain the anaesthetic options available for your specific case.