Can You Use a Water Flosser After Temporary Dental Filling?

Can I use a water flosser after temporary dental fillings for cavities?

The upper left molar (tooth #27) used to feel temporarily sensitive after consuming acidic foods, but recently, there has been a mild sensitivity when biting down hard, although there is no discomfort from hot or cold stimuli or spontaneous pain.
After examination by the dentist, it was found to be close to the pulp due to decay, and an IRM filling was placed for observation.
In the week following the filling, there has still been no discomfort from hot or cold stimuli or spontaneous pain, but there is still a slight sensation when biting down hard (less than before the filling).
However, when using a home water flosser (high-pressure water jet), there is a mild acidic sensation when the tooth is sprayed, but this sensation fades away if the flushing continues.

1.
Is this sensitivity due to debris being washed away, the decay not being completely treated, or sensitivity from the filling being close to the pulp?
2.
Is it appropriate to use the water flosser twice a day on this recently filled tooth? Thank you.

You Zhiqun, 40~49 year old female. Ask Date: 2017/07/29

Dr. Zeng Guanghui reply Dentistry

1.
The hardness of the interim restorative material (IRM) used for filling is insufficient.
If excessive force is applied with a dental water jet, the IRM may wear down.
Additionally, if the original cavity was deep and close to the nerve, it may cause slight sensitivity.

2.
Newly filled cavities should avoid using a dental water jet to prevent the IRM from fracturing or dislodging.

Reply Date: 2017/07/29

More Info

When it comes to using a water flosser after receiving a temporary dental filling, there are several important considerations to keep in mind. Temporary fillings, such as those made from materials like IRM (Intermediate Restorative Material), are designed to protect the tooth until a more permanent solution can be implemented. They are not as durable as permanent fillings and can be sensitive to certain forces, including pressure from biting and the force of water from a flosser.

1. Sensitivity and Discomfort: The mild sensitivity you are experiencing when using the water flosser could be attributed to a few factors. First, it is possible that debris or food particles are being dislodged from around the filling, which may temporarily cause a sensation of discomfort. Second, if the cavity was close to the pulp (the innermost part of the tooth containing nerves and blood vessels), the tooth may be more sensitive due to inflammation or irritation of the pulp. Lastly, the temporary filling itself may not provide the same level of insulation as a permanent filling, leading to increased sensitivity when exposed to pressure or water.

2. Using a Water Flosser: Generally, it is advisable to be cautious when using a water flosser on a recently filled tooth. While water flossers can be effective for cleaning between teeth and along the gum line, the force of the water can potentially dislodge a temporary filling if used too aggressively. It is recommended to use the flosser on a lower setting and to avoid directing the water stream directly at the filling. Instead, aim for the surrounding areas to help clean without applying excessive pressure to the filling itself.

3. Frequency of Use: Using a water flosser twice a day is typically acceptable, but given your recent dental work, it may be wise to limit this to once a day or to use it with caution. Pay attention to how your tooth responds after each use. If you notice increased sensitivity or if the filling seems to be loosening, it would be prudent to reduce the frequency or consult your dentist for further advice.

4. Follow-Up Care: Since your filling is temporary, it is crucial to follow up with your dentist as scheduled. Temporary fillings are not meant to last long-term, and any ongoing sensitivity or discomfort should be evaluated by a professional. If the sensitivity persists or worsens, it may indicate that the cavity was not fully cleaned out, or that there is an underlying issue that needs to be addressed, such as the need for root canal treatment.

In summary, while you can use a water flosser after receiving a temporary filling, it is essential to do so with caution. Monitor your sensitivity levels and maintain regular dental check-ups to ensure that your tooth remains healthy and that any necessary treatments are carried out promptly. If you have any concerns about your dental health or the integrity of your temporary filling, do not hesitate to reach out to your dentist for personalized advice.

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