Local anaesthesia is used to relieve pain during surgical procedures.
Root canal treatment involves opening root canals and pulp exposure which is painful procedure Soo to relieve the pain local anaesthesia is used.
Doing root canal without local anaesthesia is highly impossible and not clinically recommended also.
Local anaesthesia is delivered same like other intramuscular injection it’s painless but relives lot of pain arising during any surgical procedure.
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It depends on case to case if its a nonvital tooth, it may not require anesthesia . But if tooth is vital its very painful to do it without anesthesia .
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Disclaimer : The content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding your medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read on this website.
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