Concerns About Fish Bone Injury and Oral Anatomy Explained - Internal Medicine

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Ingestion of fish bones and the structure of teeth and oral cavity, please inquire?


Hello, Dr.
Hong.
During dinner, I suspect I may have bitten my gum on a small fish bone.
Fortunately, I don't think I swallowed it, as I spat it out but couldn't find it.
Currently, I don't have any coughing or pain, so I assume everything is fine.
I remember my dad used to experience pain and coughing when something got stuck.

While I was checking my mouth, I noticed that the last molar on the right side and the muscle or mucosa in that area seem to have a dent or a hole when I open my mouth (it doesn't look like a canker sore with a white appearance; it genuinely looks like a dent or a dark spot like a nostril).
There is a similar but less pronounced area on the left side.
I would like to ask the doctor if this is just the muscle's contour or if that area is normally structured this way.
If it is indeed a dent, could food get stuck there, or is it just a normal phenomenon of the internal oral muscles when opening my mouth? I apologize if my description is difficult to understand, and I hope the doctor can grasp what I'm trying to convey.
Thank you.

Dai, 20~29 year old female. Ask Date: 2020/05/28

Dr. Hong Yuanbin reply Internal Medicine


Hello, the small holes you described in the oral cavity are a normal anatomical structure.
As for the fishbone you mentioned, if there are no symptoms, it is likely that it has not penetrated.
It is advisable to see an ENT specialist only if you experience any discomfort in the throat later on.
Thank you for your question.

Reply Date: 2020/05/28

More Info


It sounds like you're experiencing some concerns regarding a potential fish bone injury and the anatomy of your oral cavity. Let's break this down into manageable parts to address your worries effectively.

First and foremost, if you suspect that you may have bitten into a fish bone, it’s important to monitor your symptoms closely. You mentioned that you have not experienced any coughing or pain, which is a good sign. Typically, if a fish bone were to become lodged in the throat or gums, it would likely cause discomfort, pain, or even lead to coughing as your body attempts to expel the foreign object. Since you have not experienced these symptoms, it is likely that the fish bone did not cause any significant injury or obstruction.

However, the presence of a "depression" or "dimple" in the mucosa or muscle of your oral cavity, particularly near your last molar, is worth discussing. The oral cavity is composed of various structures, including mucosal tissue, muscles, and bone. It is not uncommon for individuals to notice variations in the anatomy of their mouths, especially in areas where the mucosa may be thinner or where muscle attachments occur. These variations can sometimes appear as indentations or grooves, which are typically normal anatomical features.

That said, if you are noticing a significant change in the texture or appearance of the tissue, or if you experience any new symptoms such as swelling, persistent pain, or difficulty eating, it would be prudent to consult with a healthcare professional. An oral examination by a dentist or an oral surgeon can provide clarity on whether what you are observing is a normal anatomical variation or something that requires further investigation.

Regarding your concern about food getting stuck in any potential "hole" or depression, it is generally unlikely for food to become lodged in a normal anatomical depression unless it is particularly large or if there is an underlying issue such as an abscess or a significant defect in the tissue. If you are maintaining good oral hygiene and not experiencing any pain or discomfort, it is probably not a cause for concern.

In summary, while your concerns are valid, the absence of pain and other symptoms suggests that you may not have sustained a significant injury from the fish bone. The anatomical variations you are observing could be normal. However, if you have any lingering doubts or if your symptoms change, seeking a professional evaluation would be the best course of action. Regular dental check-ups can also help monitor your oral health and address any concerns before they develop into more significant issues.

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