Buy PD Dental vouchers for deals on Dental Crown.   What is a dental crown? Crowns are used to entirely cover damaged teeth in order to restore their function and appearance. What happens at sessions? A consultation will be carried out in advance, and if the client is found to be suitable, the crown will be installed at a subsequent treatment session. Radiographic images will be taken if deemed necessary and bone augmentation is available. What preparation is required? Clients are advised to maintain good dental hygiene beforehand, possibly visiting a hygienist to ensure teeth are in optimum condition for dental work.