Oral Injuries from Retainer Use: Causes and Solutions

Q: Oral Injuries from Retainer Use: Causes and Solutions

Hello： It is recommended to return for a follow-up appointment to have the doctor confirm whether a retainer needs to be redone. <br>If it has shifted, continued use may cause further damage.

Suddenly biting the inner lining of the mouth?

Hello, doctor.
I usually wear my retainer for about six hours a day.
However, the day before yesterday, due to sleep issues, I ended up wearing it for about ten hours.
When I woke up, I noticed a slight mark on the inside of my left cheek, and I can definitely feel it when I eat.
I didn't have this sensation before.
Could this be due to wearing the retainer for too long? If I stop wearing the retainer, will it return to normal? I've been using this retainer for quite a while, around three months.
Although I was told that the upper retainer doesn't fit very well, I thought it was just a little loose and continued to wear it.
Could this affect my bite? I don't feel like I'm biting down on the front teeth.
If it were affecting my bite, I would expect to feel it in the front as well, right? I had orthodontic treatment when I was younger, around middle school, and I had a small ball removed surgically, but I haven't had any issues since then.
Now, the area I'm biting is quite small, and it's not causing any wounds, but I can still feel it, and I keep wanting to puff out my left cheek to avoid biting it.

Kunrao de ren, 20~29 year old female. Ask Date: 2023/08/06

Dr. Lin Jiayong reply Dentistry

Hello: It is recommended to return for a follow-up appointment to have the doctor confirm whether a retainer needs to be redone.
If it has shifted, continued use may cause further damage.

Reply Date: 2023/08/06

More Info

Wearing retainers is a common practice after orthodontic treatment to maintain the position of teeth. However, issues can arise from prolonged use or improper fit, leading to discomfort or oral injuries. Based on your description, it seems that wearing your retainer for an extended period may have contributed to the irritation on the inside of your left cheek.

Causes of Oral Injuries from Retainer Use
1. Prolonged Wear: Wearing a retainer for longer than recommended can lead to increased pressure on the soft tissues of the mouth. This pressure can cause irritation, soreness, or even minor injuries to the cheeks and gums.

2. Improper Fit: If your retainer does not fit properly, it can create uneven pressure points. This can lead to areas of the mouth being pinched or bitten, resulting in discomfort or injury. You mentioned that your upper retainer is slightly loose; this could exacerbate the issue by allowing the retainer to shift during wear.

3. Bite Issues: If the retainer alters your bite or if your teeth are not aligning correctly, it can lead to unintentional biting of the cheeks. This is especially true if you have a history of dental issues or surgeries that may have altered your oral anatomy.

Solutions and Recommendations
1. Temporary Discontinuation: If you are experiencing discomfort, it may be beneficial to take a break from wearing the retainer for a few days. This will allow the irritated area to heal. Monitor the situation; if the discomfort persists after stopping the use of the retainer, it may be wise to consult your orthodontist.

2. Consult Your Orthodontist: Given that you have been wearing the retainer for three months and are experiencing discomfort, it is advisable to schedule an appointment with your orthodontist. They can assess the fit of your retainer and make necessary adjustments. If the retainer is not fitting properly, they may recommend a new one that better accommodates your dental structure.

3. Oral Hygiene: Maintain excellent oral hygiene, especially around the areas that are irritated. Rinse your mouth with warm salt water to help soothe the tissues and reduce inflammation. Avoid spicy or acidic foods that may further irritate the area.

4. Monitor Your Bite: Pay attention to how your teeth come together when you wear the retainer. If you notice any changes in your bite or if you are consistently biting your cheek, inform your orthodontist. They may need to adjust your retainer or evaluate your overall dental alignment.

5. Gradual Adjustment: If you need to wear your retainer for longer periods, consider gradually increasing the wear time. This can help your mouth adjust to the retainer without causing excessive irritation.

Conclusion
In summary, the discomfort you are experiencing is likely related to the prolonged wear of your retainer and possibly its fit. Taking a break from the retainer, consulting with your orthodontist, and maintaining good oral hygiene are essential steps to alleviate the issue. If you notice any persistent pain or changes in your bite, do not hesitate to seek professional advice. Your orthodontist can provide tailored solutions to ensure your retainer serves its purpose without causing discomfort.

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