Lots of advances in the restoration of primary teeth and important to consider as parents are keen for alternative, aesthetic options. We also know the importance of maintaining primary teeth for function, aesthetics and space maintenance. Crowns provide a full coronal coverage restoration to help preserve form and function.    Reasons and indications for placement of crowns    following a pulpotomy/pulpectomy for teeth with developmental defects (enamel hypomineralisation) or large carious lesions involving multiple surfaces where a normal restoration is likely to fail high caries risks patients  where longevity of restoration is required  Types of crowns available and What are zirconia crowns made of     Stainless steel crowns, composite crowns, Porcelain fused to metal crowns and Zirconia crowns (Pre-fabricated) Zirconia crowns are made from zirconium dioxide, a very durable type of metal that’s related to titanium. They are still classified under ceramic crowns    Pros and cons of zirconia crowns    Pros- strength and aesthetics. Research shows similar durability and strength as SSC. Can be used in patients with nickel allergy or who require MRIs (where SSC may cast artefacts in the scan).  Ferrule Effect.What colour choices do prefabricated have? Cons- extensive prep, technique sensitive, more time consuming, cost. Good colour match but are opaque. Areas of severe crowding? Cannot adjust shape easily. Bond strength where isolation poor? contraindications- severe bruxism,  Cementation: RMGIC or GIC?    Some tips for dentists interested in trying:   take a course  practice, practice, practice  choose your first case carefully  Be careful of back-to-back crowns Ensure excellent haemostasis