Temporary filling fell out — how long it lasts and what to do next

Key facts

• Temporary fillings usually last days to a few weeks
• If one falls out, contact the dentist within a day or two
• Pharmacy kits are a short stopgap, not a treatment
• Avoid sticky and hard food on that side
• Swelling, fever or throbbing pain need prompt care

What a temporary filling is for

A temporary filling seals a tooth for a short period until the final restoration is ready. It is commonly used between root canal visits, after a tooth has been prepared for a crown or inlay, or as a sedative dressing on a deep cavity to let an irritated nerve settle. The materials are chosen to be easy for the dentist to remove later, so they are softer and less wear-resistant than composite or ceramic. A temporary filling protects the inside of the tooth from food, bacteria and temperature changes, and in root canal treatment it helps prevent contamination of the cleaned canals.

How long does a temporary filling last?

Most temporary fillings are designed to last from a few days to a few weeks, depending on the material, where the tooth is and how hard you bite. Your dentist will usually plan the next appointment within that window. Leaving a temporary filling much longer than intended increases the risk that it wears down, leaks or breaks, letting bacteria back into the tooth. A tooth with a temporary filling after root canal treatment is also more fragile, so delaying the final filling or crown can lead to a crack. If you cannot keep your follow-up appointment, contact the clinic to rebook rather than waiting.

What to do if the temporary filling falls out

Do not panic: it is common and usually not an emergency, but it should be dealt with soon. Rinse gently with warm water, brush the area carefully and avoid chewing on that side. Avoid very hot, cold, sticky or sugary food. If the tooth is sensitive, an over-the-counter painkiller you normally tolerate can help. Contact your dentist the same or next working day so the tooth can be re-sealed. Seek prompt care if you have swelling, a bad taste, throbbing pain or fever, as these may signal infection, especially if the tooth was in the middle of root canal treatment.

Pharmacy temporary filling kits

Pharmacies sell temporary filling materials that you press into a cavity to cover it for a short time. They can make a lost filling more comfortable for a day or two and keep food out until you see the dentist. However, they are not a treatment: they do not remove decay, they may not seal properly, and if placed on top of food debris or an infected tooth they can trap bacteria. Follow the packet instructions, keep the material away from the gum, and never use one to delay treatment for weeks. If pain increases after placing it, remove it and contact a dentist.

Eating with a temporary filling and next steps in Dubai

Your dentist will tell you when to eat after a temporary filling is placed — often after about an hour, or once numbness has worn off. Chew on the other side, and avoid sticky, hard and chewy foods such as toffee, gum and nuts that can pull it out. Brush normally but floss gently, sliding the floss out sideways. At Manhal Medical Center in Dubai, Dr. Fariba Alnoory, a general dentist with more than 14 years of experience, can replace a lost temporary filling, check the tooth and complete the definitive filling or coordinate the crown. The clinic is open daily, and consultations are in English and Arabic.

Composite fillings repair cavities with resin matched to your tooth colour. They bond to the tooth, allowing a more conservative preparation than old metal fillings.

Prepared by the Manhal Medical Center editorial team · Updated: 2026-10-18 · Treating specialist: Dr. Fariba Alnoory

This page is general information and does not replace a consultation. Suitability, risks and results vary between patients.