Apical Cyst Removal and Its Impact on Sinus Health - Dentistry

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Apicoectomy and sinus communication?


I previously had a cavity that did not improve after root canal treatment.
On June 8, I went to the dental clinic for the removal of an apical cyst and discovered that the cavity had extended to the sinus.
The doctor filled it with collagen and sutured the surgical site.
Today (the 17th), I still feel some fluid in my nose that resembles saliva and mucus, along with a slight brownish blood stain.
Is this normal? How long will it take to heal? Do I need any further examinations or procedures? Thank you!

Lin, 40~49 year old female. Ask Date: 2012/06/17

Dr. Zhuang Suhui reply Dentistry


Hello: The healing of the oral-nasal connection naturally takes some time.
If you are still concerned, you can consult your original physician again or visit the oral and maxillofacial surgery department at a major hospital for an examination.

Reply Date: 2012/06/17

More Info


The removal of an apical cyst, particularly one that has extended into the sinus cavity, can significantly impact sinus health and overall oral health. When a dental infection, such as a tooth abscess, progresses to the point where it affects the sinus, it can lead to complications that may require surgical intervention, as you have experienced.

In your case, the root canal treatment did not resolve the issue, leading to the discovery of an apical cyst during the surgical procedure. The presence of the cyst indicates that there was an ongoing infection at the root of the tooth, which can indeed extend into the maxillary sinus, causing sinusitis or other sinus-related symptoms. The fact that your dentist filled the area with collagen and sutured the wound is a standard practice aimed at promoting healing and preventing further infection.

Regarding your symptoms post-surgery, it is not uncommon to experience some drainage, which may include a mixture of saliva and mucus, especially if the cyst was in close proximity to the sinus. The presence of a small amount of brownish blood is also not unusual in the days following surgery, as it can be a result of the surgical manipulation of tissues. However, if the bleeding is significant or if you experience increasing pain, swelling, or fever, you should contact your dentist or oral surgeon immediately.

As for how long it will take to heal, recovery times can vary based on several factors, including the extent of the surgery, your overall health, and how well you follow post-operative care instructions. Generally, initial healing may take a week or two, but complete healing of the tissues can take several weeks to months. During this time, it is important to maintain good oral hygiene and follow any specific care instructions provided by your healthcare provider.

If you continue to experience unusual symptoms, such as persistent drainage, significant pain, or signs of infection (like fever or swelling), further evaluation may be necessary. This could include imaging studies, such as a CT scan, to assess the sinus and surrounding structures for any residual infection or complications. In some cases, additional surgical intervention may be required if there is a persistent issue.

In summary, while some post-operative symptoms can be normal, it is crucial to monitor your condition closely. If you have any concerns about your healing process or if your symptoms worsen, do not hesitate to reach out to your dental care provider for further evaluation and guidance. They can provide personalized advice based on your specific situation and ensure that your sinus health is being appropriately managed.

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