HealthTap Online Primary Care Doctors Accepting New Patients
Book a video visit
HealthTap
Telehealth
A member asked:

I have a canker sore that developed behind my back teeth in the bend of the jaw. the pain has subsided but the sore hasnt fully healed. should i worry?

3 doctors weighed in across 2 answers
Dr. Daniel Rubenstein answered

Specializes in Dentistry

Canker sores: Canker sores heal spontaneously in 7-10 days. If your sore has not healed, have it examined by your dentist or an oral surgeon.

Dr Eleczko agreed

Answered 5/8/2017

849 views

Thank

Canker sore: Canker sores will heal in 7-10 days. If you get them frequently or if they do not heal, see your dentist

Dr Cremers agreed

Answered 5/12/2017

704 views

Thank

Related Questions

A member asked:

Why do I feel only my back teeth touching and they don't even feel grooved into another. Also jaw joint is sore?

6 doctors weighed in across 3 answers

A member asked:

I can't stop biting my back teeth and it is making my mouth and jaw sore. Ideas how to stop?

A doctor has provided 1 answer

A member asked:

Hi. Could sore gums around my wisdom teeth and a sore jaw cause a sharp pain in the back left side of my head?

7 doctors weighed in across 4 answers

A member asked:

17yrs old - behind my 5th tooth(counting from right side front tooth) on the gum, for 1wk or so I have what feels like a deep cut or canker sore?

9 doctors weighed in across 2 answers

A member asked:

Canker sore caused by intubation equipment causing trauma under tounge on back right gum near back tooth. Normal? Treatment? It's been over 2 wks

5 doctors weighed in across 2 answers

Sponsored Content
HealthTap Medical Group does not endorse products or services. Sponsored content revenues support our mission to make health information free and accessible to all.Learn more

People also searched for:

My retainer creates a canker sores on my tongue. Feels like its actually on the jaw bone. I also have a huge canker sore on that side of my mouth. Could that have anything to do with it?
Can canker sores on gums of the teeth to swell up? Will it subside after the canker sore is healed?
Can you get canker sore on gum behind back tooth?
On the left bottom side of my mouth behind my back molar is a yellow hole. It's swollen and hard. My whole jaw hurts. Is it a sore or wisdom tooth?
4yr old has 1 canker sore in the back, top part of mouth. How do I treat it? Will it heal on its own? Healing time?

Telemedicine

Primary Care
Manage Your Conditions
Women's Health
Children's Health
Men's Health
Senior Health
Wellness, Prevention & Lifestyle
Sexual Health
Mental & Behavioral Health
Travel Medicine
Urgent Care
Ask your question
Didn't find what you're looking for?

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.

Ask your question

More of what we treat

Allergies
Antibiotics
Asthma
High Blood Pressure
Prescriptions
Type 2 Diabetes
Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.
HealthTap
HIPAA logo
HIPAASecure
Soc 2 Type 2 logo
SOC 2 Type 2Certified
JCAHO Accredited
JCAHOAccredited
Member App

Download HealthTap

Video visit and message your doctor

Member App QR Code
Play Store Member LinkApp Store Member Link

Questions?

+1 (888) 828-0841support@healthtap.com
LinkedInTwitter
HomeTermsPrivacyCookiesDMCAHealth TopicsDoctors DirectoryDoctor Q&A by Specialty
Copyright 2026 HealthTap, Inc.