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Dentemp Loose Cap & Lost Filling Repair

Dentemp Loose Cap & Lost Filling Repair

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  • 6. Over 22 million patients treated with semaglutide-based therapies since 2018

  • ✔️ Temporarily re-seats loose crowns and caps securely
  • ✔️ Fills lost cavities to reduce tooth sensitivity fast
  • ✔️ Eugenol-free formula suits those with clove oil sensitivity
  • ✔️ Suitable for adults and young people aged 12 and over
  • ✔️ Protects exposed dentine from bacteria and food debris

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What Is Loose Cap and Filling Repair?

 

Losing a filling or having a crown come loose is one of those dental mishaps that always seems to happen at the worst possible time — a weekend, a bank holiday, or right before a big event. That's where loose cap and filling repair products like Dentemp come in. Dentemp Loose Cap & Lost Filling Repair is an over-the-counter temporary dental cement designed to protect an exposed tooth and re-seat a dislodged crown until you can get a proper appointment with your dentist. It won't replace professional care, but it can make a real difference to your comfort in the meantime. You'll find it alongside other dental products at Cured Pharmacy, available for just £4.49.

Tooth decay is one of the most common health problems in the UK, and lost fillings or loose crowns are a frequent consequence of it. The NHS advises that you should contact your dentist as soon as possible if a filling falls out, as leaving the tooth unprotected can lead to further sensitivity, pain, or damage. Dentemp offers a practical bridge between the moment of the problem and your dental appointment.

 

How Does Dentemp Loose Cap & Lost Filling Repair Work?

 

Dentemp uses a temporary dental cement formulation that softens when kneaded and then hardens once placed in the tooth cavity or under a loose crown. The mechanism is straightforward:

  • The cement is softened by warming it between your fingers.
  • It is pressed firmly into the cavity left by a lost filling, or applied to the underside of a loose cap or crown.
  • Biting down gently moulds the cement to the shape of your bite.
  • The material sets within a short period, creating a temporary seal over the exposed dentine or pulp.
  • This seal helps reduce sensitivity to temperature and pressure while protecting the tooth from bacteria and food debris.

It's worth noting that Dentemp does not contain eugenol (clove oil), which can cause irritation in some people. This makes it a more comfortable option for those with sensitivities.

 

Who Should Use Dentemp Loose Cap & Lost Filling Repair?

 

This product is intended as a short-term emergency measure for adults and young people aged 12 and over. It's particularly useful if you're waiting for a dental appointment and need to manage discomfort in the meantime. It is not a substitute for professional dental treatment under any circumstances.

  • Adults who have lost a filling and are experiencing sensitivity or discomfort.
  • People whose dental crown or cap has become loose or fallen out.
  • Those who cannot access emergency dental care immediately.
  • Individuals looking for a quick, affordable temporary fix before a scheduled dental visit.

It is not suitable for children under 12, and should not be used on broken, cracked, or fractured teeth. If you are experiencing severe pain, significant swelling, or signs of infection such as a fever, you should seek urgent dental or medical attention rather than relying on a temporary repair product.

 

How Does Dentemp Compare to Other Temporary Dental Repair Options?

 

Feature Dentemp Loose Cap & Lost Filling Repair Generic Temporary Filling Putty
Eugenol-free formula Yes Varies by brand
Suitable for crowns/caps Yes Often filling only
Age suitability 12 years and over Varies
OTC availability Yes Yes

 

Is Dentemp Suitable for Long-Term Use and How Should It Be Stored?

 

Dentemp is strictly a temporary measure. Using loose cap and filling repair cement for longer than necessary is not recommended, as it does not provide the structural integrity of a professional filling or crown. Leaving a tooth unprotected or relying on a temporary fix for weeks can increase the risk of further decay or damage to the underlying tooth structure. The NHS recommends seeing a dentist promptly when a filling is lost or a crown becomes loose.

Store Dentemp below 25°C in a cool, dry place away from direct sunlight. Keep the product out of reach of children. Do not use after the expiry date printed on the packaging. If you're managing other aspects of your oral health, you may also find useful products in our oral health collection.

This product is a medicine. Speak to your doctor or pharmacist before using if you have an underlying medical condition or are taking other medicines.

Dentemp Loose Cap & Lost Filling Repair specifications
Treatment category Temporary dental repair
Mechanism of action Temporary dental cement that hardens to seal cavities and re-seat loose crowns
Effective for Lost fillings, loose caps and crowns
Suitable for Adults and young people aged 12 and over
Active ingredient Zinc oxide eugenol-free dental cement
UK classification General Sale (GSL)
Preparation Dental cement putty
Route of administration Topical oral (dental application)

Specifications of Dentemp Loose Cap & Lost Filling Repair

 

What Is Dentemp Loose Cap & Lost Filling Repair and What Is It Used For?

 

Dentemp Loose Cap & Lost Filling Repair is an over-the-counter temporary dental cement used to manage two common dental emergencies: a lost or fallen-out filling, and a loose or dislodged crown or cap. It is not a treatment for the underlying dental problem — rather, it protects the exposed tooth and reduces discomfort while you wait for professional dental care. The NHS advises that a lost filling should be treated by a dentist as soon as possible, as the exposed tooth can be vulnerable to further decay and sensitivity.

This product is available without a prescription and is classified as a General Sale (GSL) medicine in the UK. It is intended for temporary use only and should never be considered a permanent solution. If you are also managing dental pain alongside a lost filling, you may find relevant options in our pain relief collection.

 

What Do You Need to Know Before Using Dentemp Loose Cap & Lost Filling Repair?

 

Before using this product, read the following carefully. There are situations where Dentemp should not be used, and some important warnings to be aware of.

Do not use Dentemp if:

  • You are under 12 years of age.
  • The tooth is broken, cracked, or fractured — this product cannot repair structural tooth damage.
  • You have signs of a dental abscess, including significant swelling, fever, or pus — seek urgent dental or medical care instead.
  • You are allergic to any of the ingredients in the formulation.
  • The crown or filling has been missing for a prolonged period without dental review.

Warnings and precautions:

  • Do not swallow the cement — if ingested in significant amounts, seek medical advice.
  • Avoid using on milk (baby) teeth in young children.
  • Do not use as a substitute for professional dental treatment.
  • If pain worsens after application, remove the product and contact your dentist.
  • Keep out of reach of children.

Drug interactions:

  • No clinically significant drug interactions are known for this topically applied dental cement.
  • If you are taking anticoagulants or have a bleeding disorder, consult your dentist before any dental procedure, including temporary repairs.

 

How Should You Use Dentemp Loose Cap & Lost Filling Repair?

 

Always follow the instructions provided in the product packaging. The steps below reflect standard guidance for temporary dental cement products of this type.

  1. Wash your hands thoroughly before handling the product.
  2. Clean and dry the affected tooth as best you can — remove any food debris gently.
  3. Remove the required amount of cement from the container and knead it between your fingers until it softens and becomes pliable.
  4. For a lost filling: press the softened cement firmly into the cavity, slightly overfilling it.
  5. For a loose crown or cap: apply a thin layer of cement to the inside of the crown, then carefully seat it back onto the tooth.
  6. Bite down gently and evenly to set the cement in your natural bite position.
  7. Remove any excess cement from around the edges using a clean cotton bud or your fingertip.
  8. Avoid eating or drinking for at least one hour to allow the cement to set fully.
Indication Age Group Amount to Use Frequency
Lost filling 12 years and over As needed to fill cavity Reapply if dislodged; seek dental care promptly
Loose crown or cap 12 years and over Thin layer inside crown Reapply if crown becomes loose again; see dentist

 

What Are the Possible Side Effects of Dentemp Loose Cap & Lost Filling Repair?

 

Side effects with temporary dental cement products are uncommon when used as directed. However, as with any product applied in the mouth, some people may notice mild reactions.

Common side effects:

  • Mild sensitivity of the treated tooth, particularly to hot or cold temperatures.
  • Slight discomfort or pressure sensation when biting.
  • Minor gum irritation around the repaired area.

Less common side effects:

  • Localised allergic reaction such as redness or swelling of the gum tissue.
  • Unpleasant taste in the mouth.
  • Increased tooth pain — this may indicate the underlying tooth requires urgent dental attention.

If you experience significant pain, swelling of the face or jaw, difficulty swallowing, or any signs of an allergic reaction (such as rash, itching, or breathing difficulty), remove the product immediately and seek urgent medical or dental advice. You can also find general first aid guidance through our first aid collection.

 

How Should You Store Dentemp Loose Cap & Lost Filling Repair?

 

  • Store below 25°C in a cool, dry place.
  • Keep away from direct sunlight and sources of heat.
  • Keep the container tightly closed when not in use to prevent the cement from drying out.
  • Keep out of reach and sight of children.
  • Do not use after the expiry date printed on the packaging.
  • Do not store in the bathroom or near a sink where humidity may affect the product.

Written and reviewed by our qualified team

Your safety and success are our highest priorities. Our medical team rigorously evaluates every product and piece of advice we provide, ensuring you receive only the most effective, science-backed solutions available.

Frequently Asked Questions

Where can I buy Dentemp Loose Cap & Lost Filling Repair online in the UK?

You can buy Dentemp Loose Cap & Lost Filling Repair directly from Cured Pharmacy online for just £4.49, with no prescription required. It is dispatched quickly across the UK and is available alongside a wide range of oral health products. Simply add it to your basket and check out in minutes.

How does Dentemp Loose Cap & Lost Filling Repair work in the tooth?

Dentemp uses a temporary dental cement that softens when kneaded and then hardens once placed inside a cavity or under a loose crown. It creates a short-term protective seal over the exposed dentine, reducing sensitivity to temperature and pressure. It does not treat the underlying cause of the lost filling or loose cap — that requires professional dental care.

How do I use Dentemp Loose Cap & Lost Filling Repair step by step?

Clean and dry the affected tooth, then knead the cement until pliable. Press it firmly into the cavity or apply it to the inside of the loose crown before reseating it, then bite down gently to set it in your natural bite. Avoid eating or drinking for at least one hour after application to allow the cement to harden properly.

How long does Dentemp last once it has been applied?

Dentemp is a temporary repair and is not designed to last indefinitely — it may hold for a few days to a couple of weeks depending on the location of the tooth and your eating habits. Hard, sticky, or chewy foods can dislodge the cement more quickly. You should arrange a dental appointment as soon as possible rather than relying on the repair long-term.

Is Dentemp safe to use at home?

Yes, Dentemp is safe for home use in adults and young people aged 12 and over when used exactly as directed on the packaging. It should not be swallowed, and you should avoid using it on broken or cracked teeth. If you have any concerns about whether it is suitable for you, speak to your pharmacist before use.

Can I eat after applying Dentemp to my tooth?

You should wait at least one hour after applying Dentemp before eating or drinking to allow the cement to set fully. Once set, it is best to avoid hard, crunchy, or sticky foods on the repaired side of your mouth. Soft foods are the safest option while the temporary repair is in place.

What are the side effects of Dentemp Loose Cap & Lost Filling Repair?

Side effects are uncommon but can include mild tooth sensitivity, slight gum irritation around the repaired area, or a temporary unpleasant taste. If you experience increased pain, significant swelling, or any signs of an allergic reaction such as redness or itching, remove the product and seek dental or medical advice promptly. Worsening pain after application may indicate the tooth needs urgent professional attention.

Is Dentemp a permanent filling replacement?

No — Dentemp is strictly a temporary emergency measure and is not a substitute for a permanent dental filling or crown fitted by a dentist. Using it long-term without seeking professional care can increase the risk of further tooth decay or damage. The NHS recommends contacting your dentist as soon as possible when a filling is lost or a crown becomes loose.

Who is eligible to use Dentemp Loose Cap & Lost Filling Repair?

Dentemp is suitable for adults and young people aged 12 and over who have lost a filling or have a loose crown or cap. It is not suitable for children under 12, and should not be used on broken or fractured teeth. People with signs of dental infection — such as facial swelling, fever, or pus — should seek urgent dental care rather than using a temporary repair product.

What should I do if Dentemp falls out before my dental appointment?

If the cement becomes dislodged before your appointment, you can reapply it following the same steps as before, provided the tooth is not causing severe pain or showing signs of infection. Keep the area clean and avoid chewing on that side of your mouth. Contact your dentist to see if your appointment can be brought forward if discomfort increases.

Can Dentemp be used to repair a broken tooth?

No — Dentemp is not designed to repair broken, cracked, or fractured teeth, and using it in this way could cause further damage or mask a more serious problem. A broken tooth requires professional dental assessment and treatment. Contact your dentist or an emergency dental service as soon as possible if you have broken a tooth.

What are the alternatives to Dentemp for a lost filling?

Other temporary dental repair products are available over the counter, including similar dental cement putties from different brands. However, the most appropriate long-term alternative is a permanent filling or crown fitted by a qualified dentist. In the meantime, you can browse our dental products collection for additional oral care options.

How long can you use Dentemp for before seeing a dentist?

Dentemp should be used for the shortest time necessary — ideally only until you can get a dental appointment, which should be arranged as soon as possible. Prolonged use without professional treatment increases the risk of further tooth decay, infection, or structural damage to the tooth. The NHS advises contacting your dentist promptly when a filling is lost.

Does Dentemp contain clove oil or eugenol?

Dentemp Loose Cap & Lost Filling Repair is formulated to be eugenol-free, meaning it does not contain clove oil (eugenol), which can cause irritation or sensitivity in some people. This makes it a more comfortable option for those who have previously experienced reactions to eugenol-containing dental products. Always check the full ingredient list on the packaging if you have known allergies.

What is the latest guidance on managing a lost filling at home?

Current NHS guidance recommends contacting your dentist as soon as possible if you lose a filling, as the exposed tooth is vulnerable to decay and sensitivity. In the meantime, a temporary over-the-counter dental cement such as Dentemp can help protect the tooth and reduce discomfort. Avoid very hot, cold, or sweet foods and drinks on the affected side until you have been seen by a dentist.

How Should You Use Dentemp Loose Cap & Lost Filling Repair?

Using Dentemp correctly gives the temporary repair the best chance of staying in place until your dental appointment. Always wash your hands before handling the product, and make sure the affected tooth is as clean and dry as possible before you begin.

If the repair feels uncomfortable or your bite feels uneven after setting, contact your dentist promptly. Do not attempt to adjust the cement yourself once it has hardened.

What Is the Correct Dose of Dentemp Loose Cap & Lost Filling Repair?

There is no fixed "dose" in the traditional sense for a dental cement — the amount you use depends on the size of the cavity or the crown being reseated. Use only as much as needed to fill the space adequately. The table below provides a general guide.

Do not use more cement than necessary, as excess material can irritate the surrounding gum tissue or affect your bite.

When Is the Best Time to Use Dentemp Loose Cap & Lost Filling Repair?

Apply Dentemp as soon as possible after a filling is lost or a crown becomes loose, to protect the exposed tooth from bacteria, food debris, and temperature sensitivity. Choose a time when you can avoid eating or drinking for at least one hour afterwards — so after a meal rather than just before one is ideal. Good lighting and a mirror will help you apply the cement accurately.

Avoid applying the product when you are in a rush, as careful placement is important for the repair to hold effectively. If possible, have someone assist you, particularly if the affected tooth is at the back of the mouth and difficult to see clearly.

How Long Can You Use Dentemp Loose Cap & Lost Filling Repair For?

Dentemp should be used for the shortest time necessary — only until you can attend a dental appointment for a permanent repair. It is not intended for ongoing or repeated use as a substitute for professional dental treatment. Prolonged reliance on a temporary cement without seeking professional care can increase the risk of further tooth decay, bacterial infection, or structural damage to the tooth and surrounding tissues.

The NHS advises contacting your dentist as soon as possible when a filling is lost or a crown becomes loose. If you cannot access your regular dentist quickly, contact NHS 111 for guidance on emergency dental services in your area.

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What Are the Most Common Side Effects of Dentemp Loose Cap & Lost Filling Repair?

Most people use Dentemp without experiencing any significant side effects. However, as with any product applied inside the mouth, mild reactions can occasionally occur, particularly in the first hour or two after application.

  • Mild tooth sensitivity, especially to hot or cold temperatures.
  • A slight pressure or discomfort sensation when biting down.
  • Minor gum irritation or redness around the repaired tooth.
  • A temporary unpleasant or unusual taste in the mouth.

These effects are generally short-lived and tend to settle once the cement has fully set and the tooth adjusts. If sensitivity persists beyond a day or two, it is worth contacting your dentist.

What Are the Less Common Side Effects of Dentemp Loose Cap & Lost Filling Repair?

Less commonly, some people may notice more noticeable reactions. These are not typical but are worth being aware of before you use the product.

  • Localised allergic reaction such as swelling, redness, or itching of the gum tissue around the repair.
  • Increased tooth pain after application — this may suggest the underlying tooth has a more serious problem requiring urgent dental attention.
  • Difficulty biting or chewing if the cement has set in a position that alters your bite.
  • Dislodgement of the cement during eating, particularly with hard or sticky foods.

If your bite feels noticeably uneven after the cement sets, do not try to grind or adjust it yourself. Contact your dentist for advice.

What Are the Serious Side Effects of Dentemp Loose Cap & Lost Filling Repair?

Serious side effects are rare with this type of topical dental product. However, you should be alert to the following and act quickly if they occur.

  • Signs of an allergic reaction: rash, hives, significant swelling of the lips, tongue, or throat, or difficulty breathing — seek emergency medical help immediately.
  • Swelling of the face or jaw, fever, or pus around the tooth — these may indicate a dental abscess, which requires urgent professional treatment and is not managed by a temporary cement.
  • Accidental ingestion of a large amount of cement — seek medical advice if this occurs.

It is important to remember that worsening pain after applying Dentemp is not a normal side effect — it is a signal that the tooth needs professional assessment without delay.

What Should You Do If You Experience Side Effects?

If you notice mild sensitivity or gum irritation, these usually resolve on their own within a short time. Avoid very hot, cold, or sweet foods and drinks on the affected side to minimise discomfort. If side effects are more significant — particularly increased pain, swelling, or any allergic symptoms — remove the cement carefully and contact your dentist or call NHS 111 for guidance.

Never ignore worsening dental pain or facial swelling, as these can be signs of a dental infection that requires prompt treatment with antibiotics or drainage by a dental professional.

Can Dentemp Loose Cap & Lost Filling Repair Interact With Other Medicines?

No clinically significant drug interactions have been identified for this topically applied temporary dental cement. Because it is applied directly to the tooth and is not absorbed systemically in meaningful amounts, interactions with oral medications are not expected. However, if you are taking anticoagulant medicines (blood thinners) or have a known bleeding disorder, it is always sensible to inform your dentist before any dental procedure, including temporary home repairs. If you are unsure, speak to your pharmacist before use.

Patient Information Leaflet

Important - Before taking any medication, it is always important to read the Patient Information Leaflet (PIL)

Written and reviewed by our qualified team

GPhC Number: 2233073
Tarun Kumar

Reviewed by:

Tarun Kumar

Superintendent/ Clinical Lead

📖 Find out more about our team of medical content authors and how we ensure the accuracy of our content with our content guidelines.

Content last updated: 31 Mar 2025

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