Cavities (Tooth Decay): Symptoms, Causes & Treatment
What is a cavity? A cavity is a hole in a tooth that develops from tooth decay. Cavities form when acids in your mouth wear down (erode) your tooth’s hard outer layer (enamel). Anyone can get …
Cavities and tooth decay - Symptoms and causes - Mayo Clinic
Nov 30, 2023 · Tooth decay causes cavities. This is a process that occurs over time. Here's how tooth decay happens:
Cavities - How to Tell if You Have One - WebMD
Aug 3, 2025 · What Is a Cavity? A cavity is what you get from tooth decay -- damage to a tooth. Decay can affect the outer coating of a tooth (called enamel) and the inner layer (called dentin).
About Cavities (Tooth Decay) | Oral Health | CDC
May 15, 2024 · Cavities (also called tooth decay or dental caries) are one of the most common diseases people get and live with during their lifetime. 1 Cavities are caused by the bacteria in …
What Does A Cavity Feel Like? - Oral-B
Dec 4, 2025 · Cavities are holes that form in teeth. Learn what a cavity feels like, signs and symptoms and how to prevent cavities with these oral hygiene tips from Oral-B.
What is a Cavity? Tooth Decay Symptoms, Causes & Treatments
Nov 20, 2025 · Your guide to tooth decay and cavities. Read all about cavity symptoms, rotten teeth causes, how to prevent them and how to get rid of them for healthy teeth.
What Exactly Is a Cavity? Causes, Symptoms, and Prevention
Feb 12, 2025 · A dental cavity is a permanently damaged area in the hard surface of a tooth that develops into a tiny hole or opening. This decay occurs when plaque (a sticky film of bacteria) …
Dental cavity diagnosis and treatment: what you need to know
What is a cavity? Cavities, also known dental caries, are small holes that form in your teeth. They occur when mouth bacteria eat sugar and produce acid, which, if left on the teeth for …
What is a Tooth Cavity? A Complete Guide | Lynna Pillai DMD
Mar 12, 2024 · A tooth cavity, also known as tooth decay, is a damaged area in the hard surface of your teeth that develops into tiny openings or holes. Without treatment, cavities can grow …
Cavities | MouthHealthy - Oral Health Information from the ADA
Tooth decay is the destruction of your tooth enamel, the hard, outer layer of your teeth. Learn more about cavities and how you can prevent tooth decay.