During the bonding process, the damaged tooth is isolated. Tooth isolation is critical to the success of bonding techniques because it prevents moisture from interfering with the process.
Following tooth isolation, a gentle phosphoric acid (this does not produce discomfort) is applied to the natural tooth surface. This "acid etching" of the tooth surface enhances the bonding strength of the resin. After 15 seconds, the phosphoric acid is removed and a liquid bonding resin is applied. A putty-like composite resin is placed in stages on the natural surface of the tooth, where it is shaped and cured into place with a blue light. The process is repeated in layers until the resin has achieved its final shape and form.
The bonding process is sensitive to each dentist’s technique, so your dentist must follow the steps diligently and produce an appropriate finish to ensure that the bonded resin does not fall off or cause tooth sensitivity. It is not uncommon for a bonded tooth to feel sensitive after treatment. This minor sensitivity is often short-lived; however, if sensitivity persists, it is recommended that you schedule a follow-up appointment with your dentist. Usually, the bonding process is not associated with complications.
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