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A dental crown (commonly described as a ‘cap’) is a manufactured covering which restores the shape of a tooth. It fits onto a tooth which is broken, damaged from tooth decay, or used instead of a large filling. It can also protect what remains of a tooth after root canal treatment, or disguise a tooth that’s discoloured. They can be made from a variety of materials, including gold, ceramic, porcelain, or other metals. (Source: OHF).
Dental fillings are designed to bring a tooth back to a functional shape and healthy, normal colour. They are typically applied after tooth decay has damaged the area, causing a cavity. They can be made from a variety of materials, including an amalgam of metals, composite including glass and resin, and porcelain / ceramic (Source: NHS Choices).
Teeth can be extracted for a number of reasons. ‘Impacted’ wisdom teeth can be removed if the mouth is too crowded, or a decaying tooth can be removed to stop the spread of infection. Gum disease is another driver of dental extractions, where the tooth has become loose (Source: WebMD).
Root canal treatment
Root canal treatment is dental surgery following infection at the heart or ‘pulp’ of the tooth. The bacteria is removed and the tooth filled. It can be used where there has been tooth decay, an accident, or to deal with a filling which has failed and is leaking (Source: NHS Choices).
A dental bridge is exactly what it sounds like - a bridge to fill the gap left by one or more teeth that have been removed / fallen out. It consists of two dental crowns (or more), either side of the gap, with a false tooth / teeth in between. It’s a good way to maintain the function and appearance of your teeth, as well as ensuring that your remaining teeth do not become misaligned (Source: WebMD).
This is an artificial but effective way of protecting teeth. The dentist administers a plastic coating, which guards the teeth against the bacteria from food and drink. This type of protective covering is applied only to the back teeth, as these have gaps and sunken holes on their surfaces. Fissure sealants are usually given to young children when their teeth are first coming through. (Source: OHF).