Reviewed by Dr. Epstein
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The roots of the upper back teeth sit close to the maxillary sinus. In some cases, removing an upper molar or premolar can create a small opening between the mouth and the sinus cavity. This is called a sinus perforation. Although uncommon, it is a known surgical risk that oral surgeons are trained to recognize and manage.
We perform tooth extractions at our offices in Seattle and Shoreline
Table of Contents
How Common Is Sinus Perforation After Tooth Extraction?
Sinus perforation after tooth extraction occurs in a small percentage of cases and. It is most often associated with upper molars and premolars. These teeth sit close to the maxillary sinus, and in some patients the roots may extend near or into the sinus floor.
The risk depends on several factors, including root shape, bone thickness between the tooth and sinus, and the presence of infection or bone loss. Pre‑operative imaging and careful surgical technique help to reduce the risk.
Symptoms of Sinus Perforation After Tooth Extraction
Many sinus perforations are small and may cause few noticeable symptoms. When symptoms occur, they often appear soon after the extraction.
Possible symptoms include:
- Air passing between the mouth and nose
- Fluid entering the nose when drinking
- A whistling sound while breathing
- Nasal congestion on one side
- Drainage from the extraction site
- Pressure or fullness in the sinus
Not every patient experiences symptoms. In some cases, the opening is identified and managed during the extraction procedure itself.
Why Sinus Perforation Can Occur During Tooth Extraction
The maxillary sinus is a hollow space located directly above the roots of the upper back teeth. In some patients, only a thin layer of bone separates the tooth roots from the sinus.
A perforation may occur when:
- Tooth roots extend close to or into the sinus
- Bone has thinned due to infection or periodontal disease
- The tooth requires surgical removal
- Natural sinus anatomy places the sinus close to the tooth roots
Oral surgeons evaluate these factors carefully before removing upper teeth.
Treatment for Sinus Perforation After Tooth Extraction
Most sinus perforations are small and heal on their own when properly managed. If an opening is identified during extraction, Dr. Epstein may place sutures or a protective membrane to support healing.
Additional treatment may include:
- Closure of the extraction site
- Medications such as antibiotics or decongestants
- Instructions to protect the sinus during healing
Larger openings may require additional procedures to close the communication between the mouth and the sinus.
Precautions to Take After Tooth Extraction
If the sinus is involved during an extraction, patients are usually given sinus precautions to protect the area while it heals.
Common recommendations include:
- Avoid blowing your nose
- Sneeze with your mouth open
- Avoid straws and forceful rinsing
- Avoid smoking
- Avoid heavy lifting or straining
These precautions help prevent pressure changes that could reopen the area and allow the sinus lining to heal.
Advanced Surgical Care
At Green Lake Oral & Facial Surgery and JAWNT Oral Surgery, Dr. Matthew Epstein and Dr. Tommy Kim use advanced imaging and surgical planning technology to evaluate sinus anatomy before removing upper teeth. CBCT scans allow the team to assess bone thickness, root position, and sinus proximity.
Planning helps to reduce surgical risk and allows Dr. Epstein to manage complications such as sinus perforation immediately when they occur.
When to Contact Your Oral Surgeon
If you notice symptoms of a sinus perforation after an extraction, contact your oral surgeon for evaluation. If you are a patient at Green Lake Oral & Facial Surgery or JAWNT Oral Surgery, call our office for follow‑up care or evaluation.
To book an appointment at Green Lake Oral & Facial Surgery in Seattle, WA, call (206) 641-7212. To book at JAWNT Oral Surgery in Shoreline, WA,, call (206) 848-5788.
FAQ
Is a perforated sinus an emergency?
Most sinus perforations are not emergencies, but they should be evaluated by an oral surgeon. Early management helps ensure proper healing and prevents sinus infection.
Can you heal a perforated sinus at home?
Small perforations may heal on their own, but evaluation by a dental professional is still recommended. Following sinus precautions and your surgeon’s instructions supports proper healing.
Can you fly with a perforated sinus?
Changes in air pressure during flights can stress the sinus and healing extraction site. Your surgeon may recommend delaying air travel until the area has healed.
How long does a sinus perforation take to heal?
Small sinus perforations typically heal within several weeks when monitored and protected during recovery.
