Clear Retainers: Addressing Bite Issues and Discomfort - Dentistry

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Clear retainer


Hello Doctor, I recently finished my orthodontic treatment and have just started wearing my clear retainer.
However, I've noticed that only my last molars are making contact, while the front teeth are slightly apart, resembling an open bite, with a gap of about 0.5 cm at the incisors.
To avoid damaging the retainer, I’ve been trying not to bite down, which has left my cheeks and jaw joints feeling sore and fatigued throughout the day.
When I close my lips, it feels like I have a beak.
Although my bite feels normal when I remove the retainer, I’m concerned about potential long-term effects on my facial shape or inflammation in my temporomandibular joint (TMJ) and muscles.
Is this situation normal? I plan to observe for a while before consulting my orthodontist again, but the distance is far, and I worry that the doctor might dismiss my concerns quickly.
I would appreciate your opinion.
Thank you!

Kay, 20~29 year old female. Ask Date: 2023/06/08

Dr. Lin Jiayong reply Dentistry


Hello: The device you mentioned is more similar to a Michigan splint or an Invisalign-related device (which elevates the teeth/increases facial height/prevents the upper and lower teeth from tightly occluding), rather than a clear retainer.
I recommend calling the clinic first to inquire about the purpose of this device (whether for treatment or maintenance).
Please describe in detail any discomfort you experience while wearing it, and ask the clinic for assistance with adjustments and to schedule an appointment.

Reply Date: 2023/06/08

More Info


Understanding clear retainers and their impact on bite issues and discomfort is crucial for anyone who has recently completed orthodontic treatment. Clear retainers, often used after braces or aligners, are designed to maintain the position of teeth. However, they can sometimes lead to discomfort or bite discrepancies, particularly in the initial adjustment period.

From your description, it seems that you are experiencing an open bite situation where your front teeth do not come into contact when your back teeth are together. This can be concerning, especially if you feel discomfort in your jaw and facial muscles. Here are some important points to consider regarding your situation:
1. Initial Adjustment Period: It is common for patients to experience some discomfort and bite issues when first wearing clear retainers. Your mouth is adjusting to the new appliance, and it may take some time for your teeth and jaw to adapt. However, if the discomfort persists beyond a few days or worsens, it is essential to consult your orthodontist.

2. Bite Discrepancies: An open bite can occur for several reasons, including the design of the retainer, the positioning of the teeth post-treatment, or even muscle tension. If your retainer is not fitting correctly, it may not be providing the necessary support to keep your teeth in their desired position. This can lead to discomfort in your jaw and facial muscles, as you are experiencing.

3. Jaw and Muscle Discomfort: The soreness in your cheeks and jaw joints could be a result of overcompensation by your muscles to maintain a closed mouth while wearing the retainer. This tension can lead to fatigue and discomfort. If you find that your jaw is consistently sore, it may indicate that the retainer is not fitting properly or that your bite needs to be adjusted.

4. Long-term Effects: Concerns about changes in facial structure or temporomandibular joint (TMJ) issues are valid. Prolonged discomfort or an improper bite can lead to muscle strain and potential TMJ disorders. It is crucial to address these issues early to prevent long-term complications.

5. Consultation with Your Orthodontist: While it is understandable that you may be hesitant to return to your orthodontist due to distance or concerns about being dismissed, it is vital to communicate your symptoms clearly. Orthodontists are trained to evaluate and adjust retainers to ensure they fit correctly and do not cause discomfort. If necessary, they may recommend adjustments to your retainer or suggest a different type of retainer that better suits your needs.

6. Monitoring Your Symptoms: Keep track of your symptoms, including the level of discomfort, any changes in your bite, and how your jaw feels throughout the day. This information will be helpful for your orthodontist in assessing your situation.

In summary, while some discomfort and bite issues can be expected when starting clear retainers, persistent problems should not be ignored. It is essential to consult your orthodontist to ensure that your retainer fits correctly and to address any concerns about your bite and jaw discomfort. Early intervention can help prevent more significant issues down the line, ensuring that your orthodontic treatment remains successful and comfortable.

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