Do dentists drill your teeth?
Christopher Snyder
Updated on February 27, 2026
The dentist has to drill a
tooth cavity
Tooth decay, also known as cavities or caries, is the breakdown of teeth due to acids produced by bacteria. The cavities may be a number of different colors from yellow to black. Symptoms may include pain and difficulty with eating.
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Do dentists still drill cavities?
Dentists still have to use the dental drill for deep cavities and silver fillings. This is also true for a few other treatments: onlays, crowns, and bridges.Does it hurt when the dentist drills your tooth?
If your dentist is experienced, this shouldn't hurt. You may feel a brief pinch or sting while the anesthetic starts to numb the tooth, gum, and jaw area. Your dentist will then use a drill to remove the decay. Many people find the sound of the drill to be the worst part of the experience.Do they always have to drill cavities?
In short, the answer is no. Dental fillings are used to treat cavities because a dentist tends to want to remove the decayed part (the cavity) and fill it to stop any further damage from occurring. While there aren't ways to remove a cavity without using a filling, there are ways almost to reverse the decay.Why do dentists drill before filling?
When dentists drill into teeth, they are shaping an opening. This is to ensure all of the rot in the dentin is removed entirely. Another reason for drilling is to create a shape for the filling to bond and fill the cavity completely. Fillings can be either a silver/mercury amalgam or they can be plastic.Dentist Filling A Cavity Between Teeth
Can I wait 6 months to fill a cavity?
Every Cavity Is DifferentSome people have softer tooth enamel than others, making it easier for bacteria or acid to penetrate the tooth. On average, as a broad timeline, it can take anywhere from six months to four or five years before a cavity needs treatment.