Dental & Tooth Filling in Singapore

Tooth fillings are the most clinically effective way to stop decay before it reaches the nerve. Casa Dental offers composite resin, glass ionomer, amalgam, inlay, and onlay restorations across 9 clinics island-wide, with same-visit direct fillings available for most cavities. CHAS subsidies apply, covering up to 6 fillings per year depending on your card tier.

Tooth decay is irreversible and progressive. A cavity that can be resolved with a simple filling today may require root canal treatment or extraction if left untreated. Early intervention preserves more of your natural tooth, reduces treatment complexity, and lowers long-term costs overall.

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What is a Tooth Filling?

A tooth filling is a restorative dental treatment used to repair a tooth damaged by decay, fracture, or wear. The dentist removes the decayed material, cleans the cavity, and fills the prepared space with a suitable material to restore the tooth’s structure, strength, and function. Fillings prevent further bacterial infiltration and stop decay from progressing toward the nerve.

Do You Need a Tooth Filling?

Many patients are unaware they need a tooth decay filling until the cavity has progressed significantly. Some cavities cause no pain in their early stages, which is why regular dental check-ups are essential. However, there are signs that may indicate a filling is needed.

You may require a tooth filling if you experience:

  • Visible dark spots, staining, or discolouration on a tooth
  • A visible hole or pit on the tooth surface
  • Tooth sensitivity when consuming hot, cold, or sweet food and beverages
  • A persistent or intermittent toothache
  • Pain or discomfort when biting or chewing
  • Food consistently getting trapped around a specific tooth
  • A rough or sharp edge you can feel with your tongue

If you are experiencing any of the above, do not delay. Tooth decay is progressive and irreversible. The earlier treatment is sought, the simpler and less invasive the procedure will be.

A composite filling is the option we recommend most often for front and back teeth alike, matched to your natural tooth shade.

What Happens If You Leave a Cavity Untreated?

Tooth decay does not resolve on its own. Without intervention, the decay continues to advance through the outer enamel layer, into the softer dentine beneath, and eventually toward the dental pulp where the nerve and blood vessels reside.

Once decay reaches the pulp, the clinical situation changes substantially. What could have been resolved with a straightforward filling may now require root canal treatment to remove the infected pulp tissue, followed by a dental crown to protect the remaining tooth structure. In advanced cases where the tooth is no longer salvageable, extraction becomes the only option.

Early treatment with a tooth decay filling is significantly less invasive, less costly, and less time-consuming than the alternatives that follow from delayed care.

Benefits of Tooth Filling

Stops Decay from Spreading

Before placing a filling, the dentist removes all decayed tooth material from the cavity. The filling then seals the prepared space, eliminating the environment where decay-causing bacteria accumulate. This prevents further damage to the tooth and surrounding structure.

Restores Tooth Strength and Function

A cavity creates a structural void in the tooth. Left unfilled, this weakens the tooth and increases the risk of fracture under normal biting forces. A well-placed filling restores the tooth's load-bearing capacity, allowing you to chew and bite normally without risk of further breakage.

Restores Natural Tooth Appearance

Tooth decay presents visually as dark or black discolouration. Tooth coloured fillings, including composite resin and glass ionomer, closely replicate the natural shade of your enamel, effectively masking decay and restoring the aesthetic appearance of the tooth.

Prevents Fluoride Loss and Secondary Decay

Certain filling materials, specifically glass ionomer, release fluoride ions over time into the surrounding tooth structure. This provides an ongoing protective effect that helps prevent secondary decay from developing around the margins of the filling.

Avoids More Invasive and Costly Treatment

Treating a cavity at the filling stage prevents the clinical progression that leads to root canal therapy, crowns, or extractions. Early intervention consistently produces better long-term outcomes for both the tooth and the patient.

Types of Tooth Fillings Available at Casa Dental

Casa Dental offers both direct and indirect filling options. Your dentist will assess the extent of decay, the location of the affected tooth, and your clinical requirements before recommending the most appropriate material and method. Here are the different types of dental fillings available at our clinics.

Composite Resin Fillings (Tooth-Coloured Fillings)

Tooth coloured fillings made from composite resin bond directly to the tooth, preserving maximum natural structure with a seamless, natural finish.

Best used for: Front and back teeth, chipped or fractured teeth, minor cosmetic defects.

Lifespan: 5 to 10 years

Glass Ionomer Fillings

A biocompatible, tooth-coloured material that releases fluoride over time to actively protect surrounding tooth structure from secondary decay.

Best used for: Gum-line cavities, paediatric fillings, high caries-risk patients.

Lifespan: Up to 5 years

Inlays

A custom laboratory-fabricated restoration bonded precisely within the cusps of the tooth, used when direct filling is insufficient but a crown is not yet needed.

Best used for: Moderate to large cavities between the cusps of a posterior tooth.

Lifespan: 20 to 30 years

Onlays

A partial crown restoration that covers one or more cusps, bridging the gap between an inlay and a full crown for more extensive damage.

Best used for: Extensive cusp damage in posterior teeth.

Lifespan: 20 to 30 years

Porcelain & Ceramic Fillings

Precision-fabricated indirect restorations that closely replicate natural enamel translucency, resistant to staining and ideal for aesthetically prominent areas.

Best used for: Visible teeth, metal-free restoration preference.

Lifespan: 15+ years

Your dentist can recommend the most suitable type of dental filling based on your tooth, the location of the cavity, and your individual needs.

Comparing Filling Types at a Glance

Filling TypeCategoryBest ForLifespanTooth-Coloured
Composite ResinDirectFront and back teeth, cosmetic repairs5 to 10 yearsYes
Glass IonomerDirectGum-line cavities, high caries riskUp to 5 yearsYes
InlayIndirectCentral cavity in molar20 to 30 yearsYes
OnlayIndirectExtensive cusp damage in molar20 to 30 yearsYes
Porcelain / CeramicIndirectAesthetic indirect restorations15+ yearsYes

The comparison above provides an overview of the different dental filling options available. Your dentist can recommend the most suitable type based on the location and size of the cavity, your oral health needs, and your treatment goals.

How Long Do Tooth Fillings Last?

Lifespan varies by material, cavity size, and oral hygiene maintenance.

Material

Lifespan

Glass Ionomer

Up to 5 years

Composite Resin

5 to 10 years

Inlay / Onlay

20 to 30 years

Signs your filling may need replacing: visible chips or cracks, sensitivity to hot or cold, darkening around the margins, food catching at the site, or a loose filling. Book an appointment promptly, a failing filling allows bacteria to re-enter and cause secondary decay.

Keep in mind that not every cavity needs a crown, and knowing the types of dental fillings available helps you understand when a filling is enough on its own.

Our General Dentists

Our general dentists will assess the affected tooth and recommend the most appropriate treatment to restore it.

Tooth Filling Process at Casa Dental

Our filling procedure is structured, systematic, and conducted with patient comfort as a clinical priority at every stage.

Before dental filling treatment begins, your dentist conducts a thorough clinical examination, including dental X-rays where indicated, to identify the precise location and extent of decay. This assessment determines whether a filling is the appropriate treatment, or whether a more complex restoration is required.

A personalised treatment plan is developed based on the diagnostic findings. Your dentist will discuss the recommended filling material, explain the procedure, and answer any questions before treatment begins.

A doctor with syringe performing dental surgery in regards to local anesthesia wisdom teeth

Local anaesthetic is administered to the area surrounding the affected tooth to ensure the procedure is completely pain-free. At Casa Dental, patient comfort during treatment is non-negotiable.

The decayed or damaged portion of the tooth is carefully removed using precision instruments. The cavity is then thoroughly cleaned to eliminate all remaining bacteria and debris, preparing a clean surface for the filling material.

The selected filling material is placed into the prepared cavity, sculpted to replicate the natural anatomy of the tooth, and hardened. For composite resin, a curing light is used to set the material. For indirect fillings, a temporary restoration is placed while the permanent inlay or onlay is fabricated in the laboratory.

The treatment you need depends on the severity of the decay. Early cavities can often be restored with a dental filling, while deeper decay that reaches the tooth’s pulp may require a root canal. The type of filling used will also depend on the extent of the damage and the tooth being restored.

Once the filling is set, the surface is polished to remove any rough edges and ensure a smooth, natural feel. Your bite is checked and adjusted if necessary to confirm the restoration does not interfere with your natural occlusion.

Your dentist will provide clear aftercare instructions covering oral hygiene around the restored tooth, dietary considerations in the immediate post-procedure period, and when to return for follow-up.

Aftercare is straightforward regardless of which of the types of dental fillings you chose, though composite needs a little more care around staining in the first 48 hours.

How Much Does A Tooth Filling in Singapore Cost?

The cost of teeth filling Singapore treatments depends on the material used, cavity size, number of surfaces involved, and whether the restoration is direct or indirect. For a full breakdown of fees by filling type, applicable CHAS subsidies, and financing options, visit our dedicated tooth filling cost Singapore page.

Why Do Tooth Fillings at Casa Dental?

When choosing dental filling Singapore providers, Casa Dental stands out for our commitment to patient care and expert treatment. We combine advanced technology, experienced dental professionals, and patient-centred services to ensure a smooth, comfortable experience for every patient.

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Dental Professionals

At Casa Dental, every branch is led by a full-time, permanent dentist who is also a partner of the clinic. When looking for a dental implant specialist in Singapore, experience and continuing education matter. Our doctors attend CDE sessions at more than double the requirement set by the Singapore Dental Council.

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Convenient Locations Across Singapore

With branches in Ang Mo Kio, Admiralty, Bedok, Boon Keng, Bukit Batok, Clementi, Holland, Tengah, and Woodlands, there is a Casa Dental clinic near you wherever you are in Singapore. Each branch is fully equipped with the same technology and staffed by experienced dental professionals, so you receive the same standard of care regardless of which location you visit.

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Advanced Technology

We prioritise patient comfort by utilising gentle techniques and the latest methods to minimise discomfort during the procedure. Our approach is designed to make your experience as pain-free as possible. With modern techniques and materials, dental implants in Singapore provide a stable and aesthetic option for teeth replacement.

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Patient-Centered Care

Understanding that dental anxiety is common, our clinics are designed to provide a calming atmosphere, helping to alleviate patient concerns before and during treatment. We are also committed to creating personalised treatment plans tailored to your specific needs. Clear communication and compassionate care are at the heart of our practice.

Frequently Asked Questions

How does a tooth filling work?

A dental filling works by removing decayed or damaged tooth material, cleaning the cavity to eliminate bacteria, then sealing the prepared space with the chosen material. For composite resin, a curing light sets the filling hard in seconds. The tooth is then shaped and polished to restore its natural form and bite function.

How long does a tooth filling procedure take?

 Most direct fillings take between 20 and 60 minutes depending on cavity size and material. Indirect fillings such as inlays and onlays require two appointments: the first for preparation and impressioning, the second for permanent cementation of the laboratory-fabricated restoration.

Do I need a filling if my cavity is not causing pain?

Yes. Many cavities are asymptomatic in their early stages. Pain typically develops only once decay has progressed to the inner dentine or approaches the nerve, at which point treatment becomes more complex. Treating a cavity while it is still small and painless is always the better clinical and financial outcome.

Can you heal a cavity without a filling?

No. Once tooth decay has formed, the damaged structure cannot regenerate on its own. The decayed material must be physically removed and the cavity sealed with a filling to prevent further progression. Early-stage demineralisation of enamel can sometimes be managed with fluoride treatment before a cavity fully forms, but an established cavity always requires a filling.

Is it normal for my tooth to hurt after a filling?

Some sensitivity to hot, cold, or biting pressure is expected for up to two weeks following a filling as the tooth settles. This is normal and typically resolves on its own. If pain is severe, worsens after the first few days, or persists beyond two weeks, contact your dentist as the bite may need adjustment or a more complex issue may be present.

Why does my tooth still hurt months after a filling?

Persistent pain months after a filling can indicate new decay developing beneath the restoration, a micro-gap at the filling margin, a bite that was not properly adjusted, or deeper pulp involvement not detectable at the time of treatment. Do not ignore prolonged post-filling pain. A follow-up appointment will determine whether the filling needs adjustment, replacement, or whether root canal treatment is required.

What are the common after-effects of a tooth filling?

 If local anaesthesia was administered, expect numbness in the treated area for one to two hours after the procedure. Once sensation returns, you may notice sensitivity to temperature, pressure when biting, and mild tenderness in the surrounding gum tissue. These effects are normal and typically resolve within one to two weeks.

Why does my filling feel rough or high after the procedure?

A slight roughness or uneven bite immediately after a filling is common as anaesthesia can temporarily alter bite perception. If it persists once sensation fully returns, the filling surface may need minor polishing or adjustment. Contact your dentist promptly rather than leaving it, as an uneven bite places excess force on the restoration and surrounding teeth.

What is the difference between a filling and a dental crown?

 A filling restores a portion of the tooth where decay or damage has occurred, preserving the majority of the natural structure. A dental crown covers the entire visible tooth surface and is indicated when damage is too extensive for a filling to restore structural integrity, or after root canal treatment when the tooth needs full protection.

Can I eat after a tooth filling?

Wait until the local anaesthesia has fully worn off before eating, typically one to two hours, to avoid accidentally biting your cheek or tongue. For the first 24 hours, opt for softer foods and avoid anything very hot, cold, hard, or sticky near the treated tooth.

How soon can I brush after a tooth filling?

For composite resin fillings, you can brush immediately using normal technique. Floss gently around the filled tooth as normal.

Can a tooth decay under an existing filling?

Yes. Secondary decay can develop if the seal between the filling and tooth degrades over time, allowing bacteria to infiltrate the margins. This is why regular check-ups are important. Your dentist will monitor existing restorations at each visit and advise replacement before secondary decay progresses.

What causes a filling to fall out?

Fillings can dislodge due to normal wear and tear, new decay undermining the restoration from beneath, biting on something excessively hard, a physical impact to the mouth, or repeated expansion and contraction of the filling material from temperature changes. If a filling falls out, contact Casa Dental promptly as an exposed cavity is vulnerable to rapid decay and fracture.

Can I get a tooth filling while pregnant?

Dental treatment during pregnancy is generally safe when timed appropriately. Most dentists recommend scheduling non-urgent procedures during the second trimester, when risk is lowest and comfort is highest. Local anaesthesia used in routine fillings is safe for pregnant patients. Inform your dentist of your pregnancy before treatment begins so the approach can be adjusted to suit your stage and clinical needs.

Can children get tooth fillings?

Yes. Teeth filling Singapore clinics commonly perform this procedure on children, as it is important for preserving primary teeth until they are naturally lost. Untreated decay in baby teeth can cause pain, infection, and affect the development of permanent teeth beneath. Composite resin and glass ionomer are the preferred materials for paediatric fillings due to their tooth-coloured appearance and fluoride-releasing properties.

Can a tooth filling and extraction be done on the same visit?

In some cases, yes. If one tooth requires extraction and an adjacent tooth has a cavity ready for filling, both can be performed in the same appointment where clinically appropriate. This reduces the number of visits required and limits anaesthesia exposure. Your dentist will assess suitability based on your specific clinical situation.

What is a temporary filling and when is it used?

A temporary filling is a short-term restoration placed to seal and protect a tooth between appointments. It is commonly used after a root canal procedure while waiting for a permanent crown, during complex multi-visit treatments, or while a laboratory-fabricated indirect filling is being made. Temporary fillings are not designed for long-term use and will be replaced at your next appointment.

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