White fillings, also known as composite resin fillings, restore teeth affected by decay or minor damage. Unlike metallic options, they blend seamlessly with natural tooth color, repairing and protecting the tooth structure while maintaining an aesthetic appearance. This discreet solution is a preferred choice for many seeking restorative dental care.
Composition and Properties
White fillings consist of acrylic resin blended with finely ground glass or quartz particles. The resin acts as a matrix, while the glass or quartz provides strength and wear resistance. This combination creates a durable, pliable substance moldable to tooth contours. The filler particle ratio and size influence polishability, strength, and wear resistance. Composite resin bonds directly to tooth structure after preparation, forming a strong, sealed connection that prevents further decay and supports the weakened tooth. This direct adhesion allows for less healthy tooth removal than traditional materials. The material can also be shaded to match natural tooth colors, making the restoration nearly invisible.
The Placement Procedure
The white filling procedure begins with the dentist removing decayed or damaged tissue to ensure a clean surface. The tooth is then gently etched with a mild acidic gel, creating microscopic pores on the enamel and dentin for optimal bonding. A thin layer of bonding agent is applied, penetrating these pores to form a strong adhesive layer. Composite resin is applied in small, incremental layers, sculpted to the tooth’s shape. Each layer is cured with a special blue light, hardening the resin through polymerization. Finally, the dentist shapes and polishes the filling, ensuring it blends smoothly with the surrounding tooth and restores its natural function and appearance.
Caring for White Fillings
Maintaining white fillings requires consistent oral hygiene, similar to natural teeth. Regular brushing with fluoride toothpaste and daily flossing remove plaque and food particles, preventing new decay and contributing to longevity. Limiting highly pigmented foods and drinks, like coffee or red wine, minimizes staining. While durable, certain habits impact their lifespan. Biting hard objects, such as ice or candies, or habitual teeth grinding (bruxism) can stress the filling, causing chipping or fracture. With proper care and regular dental check-ups, white fillings typically last 5 to 10 years or more. Routine professional cleanings and examinations allow dentists to monitor their condition and address issues early.