If you are searching for the price of dental fillings in Hong Kong in 2026, the market price range is usually between HK$800 and HK$1,500. However, dental fillings in modern dentistry are not a simple "filling" procedure, but a precise biomechanical restoration. The final price depends not only on the number of tooth surfaces affected (surface area) and the choice of materials, but also on the dentist's technical qualifications and clinical judgment, which directly affects the long-term success rate of the treatment and the lifespan of your natural teeth. I. Quick Answer: 2026 Hong Kong Dental Filling Fee Reference Table The cost of dental fillings often varies depending on the "complexity". Simple occlusal surface cavities are treated in a shorter time; if the proximal surface (dental fissure) is involved, the dentist needs to use a matrix band and wedges to reconstruct the natural tightness and shape of the tooth, which requires higher technical skills and materials. Treatment Item Reference Price (2026) Professional Notes General Composite Resin Filling (Simple) HK$800 - HK$1,100 Suitable for minor cavities on a single tooth surface (1 surface). Composite resin fillings (complex): HK$1,200 - $1,800. Involves multiple surface areas or interproximal reconstruction. Ceramic inlays (Onlay/Inlay): HK$3,500 - $6,500. The first choice for large-area restorations, with better marginal sealing than ordinary resin and greater durability. Removal of old amalgam (silver powder): HK$1,000 - $1,800. Requires a powerful suction system to prevent mercury vapor absorption. II. In-depth analysis: Why you can't just look at the price when it comes to fillings? In dental consultations, many patients' first reaction is to ask, "Which clinic is the cheapest?" However, in medical decisions, simply having a low price often hides huge long-term costs. The core value of fillings is not in "filling the cavity," but in preventing "microleakage," a crucial barrier protecting the dental pulp (dental nerve) from bacterial erosion. What is microleakage? The number one killer of fillings: Resin fillings are a precise chemical bonding process. If the dentist doesn't maintain proper isolation during the procedure—for example, through contamination from the patient's saliva, mist, or even exhaled moisture—microscopic gaps, invisible to the naked eye, can form between the filling material and the natural tooth. This can lead to: Secondary cavities: Bacteria enter through these gaps, silently eroding the seemingly intact filling. Pulp inflammation: Bacteria penetrate the dentinal tubules, causing irreversible nerve inflammation. Structural breakdown: The adhesive strength fails, causing the filling to fall out or the tooth to split vertically. 2. The Importance of Isolation Techniques: Rubber Dam In high-quality filling procedures, experienced dentists consider using a rubber dam. This is a thin film that isolates the treated tooth from the rest of the mouth, ensuring the treated area is in an "absolutely dry" and "sterile" state. While this increases cost and time, it is the clinical gold standard for ensuring 100% bonding strength between the resin and dentin. III. The Costs of Ignoring Small Holes: Dental treatment emphasizes early intervention. If dental fillings are delayed due to budget constraints, the future financial burden will increase exponentially: Stage 1 (early superficial cavities): General filling (approximately HK$800…