Reviewed by Dr. Brett Broda
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Reading time: three minutes
Mild sensitivity after a dental filling is not uncommon, especially with heavy pressure or cold drinks. Most symptoms improve within a few days as the tooth recovers. Any pain is not normal and should be assessed and treated.
Table of Contents
What Normal Healing Feels Like
While the vast majority of people have little to no changes after a filling, it is normal for the tooth to feel a little sensitive. Most discomfort improves within a few days, although mild sensitivity can last one to two weeks, especially if the cavity was large or close to the nerve.
Short-term symptoms that are considered normal include:
- Mild soreness or pressure when biting, especially on hard foods
- Brief cold sensitivity that goes away quickly
- A new feeling in the tooth for a few days
- Mild gum tenderness near the treated area
Common Reasons for Pain After a Filling
If your tooth hurts with pressure, these are the most common causes:
- High bite: The filling sits slightly high, so the tooth takes extra force when you chew. This often feels sharp, bruised, or “off” when you bite. This can be quickly and easily adjusted by your dentist.
- Temporary nerve irritation: A deeper cavity or restoration can reversibly irritate the nerve for a short time, causing a dull ache or brief cold sensitivity that gradually improves. Time is typically the best solution here.
- Sensitivity from treatment: The steps required to bond a filling can cause some sensitivity. Your dentist can apply a desensitizer to the tooth to help.
When Pain Is Not Normal
If any symptoms occur, they should gradually improve in the days following treatment. If discomfort is increasing, lingering, or affecting your ability to chew, it should be evaluated.
Contact your dentist if you notice:
- Sharp pain when biting
- Pain that is getting worse instead of better
- Throbbing pain or constant pressure
- Heat sensitivity that lingers
- Swelling, a bad taste, drainage, or a pimple-like bump on the gum
- Pain that wakes you up
- You cannot chew comfortably on the tooth
- Discomfort that lasts longer than 1–2 weeks
- If you think something is wrong
It’s always better to err on the side of caution. If you had a dental filling done at our office and are unsure if what you are experiencing is normal, please give us a call.
How to Reduce Discomfort at Home
A few simple steps can help minimize irritation while the tooth settles:
- Chew on the other side for a few days
- Avoid very hard, crunchy, or sticky foods temporarily
- Keep brushing and flossing, but be gentle around the area
- Use over-the-counter pain relief as directed on the label
If biting pressure triggers discomfort, avoid repeatedly testing the tooth, as this can prolong sensitivity.
When to Schedule an Evaluation
Persistent or worsening symptoms should be assessed promptly. A simple bite adjustment or exam can often resolve the issue quickly.
To book an appointment at our dental office in Boulder, CO, call (303) 442-6141 or visit us at 777 29th St, Unit 300, Boulder, CO 80303.
FAQs
Do fillings hurt?
The vast majority of patients have no discomfort during or after a filling. When complications do occur, they are typically mild and easily correctable by your dentist.
How do I know if my filling is too high?
If your bite feels uneven after the filling, or chewing causes sharp, localized pain, the filling may be slightly high. While the bite is checked during an appointment, local anesthesia, if still present, can have an effect on the way you bite.
Is cold sensitivity normal?
Mild cold sensitivity is normal after a filling. While we take many steps to reduce the prevalence of this, it’s not uncommon. It typically goes away within a few days of the filling.
Can pain after a filling mean I need a root canal?
In some situations, persistent symptoms after a deep filling indicate that the nerve is not recovering. When inflammation does not resolve, root canal treatment may be necessary to remove the infected tissue and relieve pain. An exam and diagnostic testing will determine whether a root canal is recommended.
