A crown is a ‘cap’ that fits over the entire surface of the tooth. The process of making a crown involves trimming the tooth down to the desired shape. Impressions of the tooth preparation are then taken. From the impressions, the laboratory can construct the crown.
Once fabricated, a crown is fitted over the tooth surface and bonded in place using special dental cements. The shape, size, colour and surface characteristics of a crown are closely matched to the surrounding teeth.
Crowns can last a lifetime and are necessary for a number of reasons: