Dental Fillings 

Dental Fillings in Istanbul: Types, Procedure and What to Expect

Why You May Need a Dental Filling

A dental filling is the most common restorative procedure in modern dentistry, used to repair a tooth that has been damaged by decay, fracture or wear. When the bacteria in dental plaque metabolise sugars, they produce acid that progressively demineralises enamel and, if left untreated, penetrates into the softer dentine layer beneath — this process is what we call dental caries, or a cavity. Without intervention, the decay continues to advance towards the pulp chamber, potentially necessitating root canal treatment or even extraction.

Fillings arrest the decay process by removing all infected tissue and sealing the resulting space with a biocompatible material. Early-stage cavities are small, require minimal removal of healthy tooth structure, and are straightforward to treat. This is why routine dental check-ups are so valuable — they allow your dentist to identify and treat decay at its earliest, most manageable stage.

Types of Dental Filling Materials

Several filling materials are available, each with distinct properties relating to aesthetics, durability, cost and clinical indication. Composite resin (tooth-coloured) is currently the most widely used material in aesthetic dental practice. Dental amalgam (silver-coloured) has a long track record of durability but is declining in use due to aesthetic limitations and environmental considerations. Glass ionomer cement releases fluoride and bonds chemically to tooth structure, making it particularly useful in specific clinical scenarios. Ceramic inlays and onlays, fabricated from high-strength porcelain or zirconia, represent the premium option for larger restorations.

At Dent Health Istanbul, we offer all clinically appropriate filling materials and will recommend the most suitable option based on the size and location of the cavity, your aesthetic preferences, and your long-term oral health goals. We use only materials from reputable, certified manufacturers.

Composite Resin vs Amalgam: Which Is Better?

Composite resin has largely superseded amalgam in contemporary restorative dentistry. Its key advantages are that it bonds directly to tooth structure (allowing more conservative cavity preparation), it is matched to the natural tooth colour for an invisible restoration, and it contains no mercury. Composite is suitable for cavities of most sizes in both anterior and posterior teeth, though very large posterior restorations may benefit from the superior wear resistance of ceramic inlays instead.

Amalgam remains a clinically valid material with an exceptional track record of longevity — well-placed amalgam fillings can last 15–20 years. However, the European Union has significantly restricted its use in recent years, and many practices — including Dent Health Istanbul — operate mercury-free. If you have existing amalgam fillings that are failing or you wish to replace them for aesthetic reasons, our team can discuss composite or ceramic alternatives with you.

Ceramic Inlays and Onlays: When a Filling Is Not Enough

When a cavity is too large for a conventional direct filling but not so extensive as to require a full crown, a ceramic inlay or onlay may be the most appropriate solution. An inlay sits within the cusps of the tooth, restoring the internal cavity without covering the biting surfaces. An onlay extends over one or more cusps, providing additional structural support to a weakened tooth. Both are fabricated in a laboratory from high-strength e-max ceramic or zirconia and bonded permanently to the prepared tooth.

Ceramic inlays and onlays offer several advantages over direct composite fillings in large cavities: superior marginal fit, greater long-term wear resistance, exceptional aesthetics, and the ability to restore proper occlusal anatomy. At Dent Health Istanbul, inlays and onlays are manufactured using CAD/CAM technology for precise fit and outstanding strength, with shade-matching performed to ensure seamless integration with your natural teeth.

The Filling Procedure: Step by Step

The procedure begins with local anaesthesia to ensure the area is completely numb before any instrumentation. Once anaesthesia is confirmed, your dentist uses a combination of high-speed handpiece and hand instruments to remove all carious tissue from the cavity. The cavity walls and floor are then conditioned with a mild acid etch to improve bonding, and a dentine bonding agent is applied and cured with a blue LED light.

Composite resin is then placed in incremental layers, each individually light-cured to minimise polymerisation shrinkage and achieve maximum strength. Once the cavity is fully restored, the filling is shaped, contoured and polished to match the natural tooth anatomy and to ensure a comfortable bite. The entire procedure for a single-surface filling typically takes 30–45 minutes. You may eat and drink as soon as the local anaesthesia has worn off, usually within 1–2 hours.

Sensitivity After a Filling: What Is Normal?

It is entirely normal to experience some sensitivity to hot, cold or sweet stimuli for one to four weeks following a composite filling, particularly if the cavity was deep and close to the pulp. This occurs because the dentine tubules in the restored area remain temporarily responsive while the pulp recovers from the procedure. Using a sensitivity-formulated toothpaste during this period and avoiding very hot or very cold foods and drinks can help manage discomfort.

If sensitivity persists beyond four weeks, or if you experience spontaneous, lingering or throbbing pain, you should contact Dent Health Istanbul for a review. These symptoms may indicate that the pulp has been irreversibly affected — a relatively uncommon but recognised complication with very deep cavities — and that further treatment such as root canal therapy may be required. Our aftercare team is available to advise you remotely if you have returned home after treatment.

How Long Do Fillings Last?

The longevity of a filling depends on its material, size, location, and — critically — the oral hygiene and dietary habits of the patient. Small to medium composite fillings in low-stress areas typically last seven to twelve years when well maintained. Larger posterior composites and amalgam fillings can last ten to fifteen years or more. Ceramic inlays and onlays, when bonded correctly using contemporary adhesive techniques, frequently exceed fifteen to twenty years in clinical service.

Fillings do not last indefinitely — they are subject to ongoing occlusal loading, micro-leakage, secondary decay around margins, and material fatigue. Regular dental check-ups allow your dentist to monitor the condition of existing restorations and identify early signs of failure before they progress to more complex and costly problems.

Preventing Future Cavities

The most effective strategy for preventing dental cavities is a combination of excellent oral hygiene, a low-sugar diet, and regular professional care. Brushing with a fluoride toothpaste twice daily — for a full two minutes each time — disrupts the plaque biofilm that harbours cariogenic bacteria. Interdental cleaning with floss or interdental brushes removes plaque from the contact areas between teeth, where toothbrush bristles cannot reach and where many cavities originate.

Reducing the frequency of sugary and acidic food and drink consumption — rather than eliminating it entirely — is arguably the single most impactful dietary change for caries prevention. Sipping sugary drinks throughout the day is far more damaging than consuming the same quantity in one sitting, because it prolongs the acid attack on enamel. Professional fissure sealants, fluoride varnish applications and antibacterial treatments can also be incorporated into a preventive programme at Dent Health Istanbul.

Replacing Old or Failed Fillings

Over time, existing fillings can develop secondary decay around their margins, crack, fracture, or simply wear beyond the point of effective function. Replacing a failed filling promptly is important: secondary decay beneath an old restoration can advance quickly and silently, and if it reaches the pulp, a simple filling replacement becomes a root canal case. At Dent Health Istanbul, we routinely assess all existing restorations during check-up appointments and advise on replacements proactively.

Many patients also choose to replace old amalgam fillings for aesthetic reasons, particularly those visible when smiling or speaking. The replacement procedure is straightforward: the old restoration is removed under rubber dam isolation, any underlying decay is cleared, and a new composite or ceramic restoration is placed. The result is a tooth that looks entirely natural and functions optimally.

Cost of Dental Fillings in Istanbul vs UK and US

Dental filling costs in the United Kingdom range from approximately £60–£70 per tooth on the NHS (for those eligible for NHS dental treatment) to £150–£250 privately for a composite filling. In the United States, a single composite filling typically costs $150–$300 per tooth, depending on the size and number of surfaces involved. At Dent Health Istanbul, the same high-quality tooth-coloured composite fillings are available at significantly lower prices — often 50–65% less than UK private rates — without any reduction in the quality of materials, equipment or clinical expertise.

For patients with multiple fillings required, the combined savings from treatment in Istanbul — even after factoring in flights and accommodation — can be very substantial. Dent Health Istanbul provides a detailed, itemised treatment plan with fixed pricing before any work begins, so there are no surprises on your bill.