Yes, Local anaesthesia like Novocaine can be administered in controlled high blood pressure patients for extractions as the injection is concentrated to the local tissues only. Old school anaesthetists avoided epinephrine along with local anaesthesia but this is not widely accepted in new concept.
Certain precautions are as follows: Patient should take regular medications on the day of extraction. The morning appointment hours should be preferred by the dentist as people tend to be more relaxed in mornings. Care should be taken that the patient is not stressed during the procedure. Monitoring of blood pressure is required and the extraction wound should preferably be sutured to ensure less bleeding. Hope this helps.
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