Temporary Cement from the Pharmacy

What these products are meant to do

Pharmacies usually stock small kits sold for lost fillings and loose crowns. They generally come as a paste, a putty or a cement that sets in the mouth. The purpose is limited: to cover an exposed area or hold a crown in position for a short time while you wait for an appointment.

They are not designed to last, and they do not address why the restoration came out. Decay, a cracked tooth or a poor fit may still be present underneath. Treat the kit as a bridge to the dentist, never as the end of the problem.

Should you use one at all?

Many people manage without. If the tooth is not sensitive, cleaning it gently and chewing on the other side may be enough until the visit. A product can make sense if the exposed area is sensitive to air or cold, or if a crown keeps slipping and you want it kept in place.

Ask a pharmacist, or call the dentist's office, whether a kit suits your situation. People with allergies, those who take medicines, anyone pregnant or nursing, and children should check with a dentist, doctor or pharmacist first, since products contain different ingredients.

Using a kit carefully

Follow the directions on the package exactly, since products differ. In general, the area is rinsed and dried, any loose debris is removed gently, and only a small amount of material is applied. Over-filling can leave a high spot that changes how your teeth meet and may make biting uncomfortable.

Avoid household glues or improvised materials, which are not made for the mouth. If something feels wrong, such as a high bite, irritation or a bad taste, stop and contact the dental team rather than adding more material.

• Read the whole leaflet before opening the kit
• Dry the tooth surface as directed
• Use a small amount only
• Check that your bite feels normal
• Stop and call a dentist if anything feels off

What to tell the dentist

Mention which product you used, roughly when you applied it and whether you saved the crown or filling fragments. Dentists often need to remove temporary material before they can assess or fix the tooth, and knowing what is there saves time.

Also describe symptoms honestly: sensitivity, pain on biting, a rough edge or a bad taste. Ask whether the original crown can be reused, what the repair is likely to involve and what to watch for in the meantime.

One optional supplement mention

Some readers wonder whether an oral probiotic belongs in their routine. ProDentim is one example: the seller describes it as a chewable oral probiotic supplement and lists three strains, Lactobacillus paracasei, Bifidobacterium lactis BL-04 and Lactobacillus reuteri, without per-strain amounts. Research on oral probiotics is still developing and mixed, and it does nothing for a lost filling. Check with a dentist, doctor or pharmacist first, especially if pregnant, nursing, on medication or managing a condition.

Questions readers ask