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What causes inadequate effect of anesthesia in the lower jaw?

This Premium Q&A, reviewed and published, features a real conversation between an iCliniq user and a physician.

Patient's Query

Hello doctor,

When it comes to having a tooth extracted, I often experience difficulty getting numbness in my lower jaw. Despite getting the maximum dose of anesthesia, there have been incidences where I do not get enough numbness, especially in my lower jaw.

  1. In such circumstances, what should be the course of my action?
  2. Should I proceed with the procedure even if my lower jaw is not fully numb, or should I ask my dentist to reschedule the treatment?

I am concerned about rescheduling the appointment as I think it would irritate the dentist, and it would be an inconvenience to my dentist.

Kindly help.

Thank you.

Hello,

Welcome to icliniq.com.

I have read your query and understood your concern.

There can be many reasons for not having enough numbness in your lower jaw. The probable causes can be smoking, drinking, diabetes, aging, or an abscess in the tooth. Investigations to be done include an X-ray of the tooth to be extracted.

With regard to this, I suggest that if you are a smoker, then quit as soon as possible. If you have diabetes, inform the doctor and take medication prior to the treatment to control it.

If you have an abscess in the tooth to be extracted, it may hinder the anesthesia from working effectively in that specific area. In such cases, it is important to cooperate with the doctor.

Regarding follow-up, visit the dentist after seven days of extraction.

I hope this helps.

Please followup if you have any doubts.

Thank you.

Answered byDr. Purva Jingar

Medically reviewed byiCliniq medical review team

Published At July 16, 2023
Reviewed AtOctober 23, 2025

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