For the past 50 years, prefabricated crowns have been extensively used in paediatric dentistry. Preformed metal crowns, resin-veneered stainless steel crowns, and strip crowns are the three that have recently seen the most use. Zirconia crowns and pre-veneered crowns are further aesthetic considerations. When using paediatric crowns, the dental crown must be properly prepared in order for it to fit correctly, while it is also possible to utilize the Hall approach without any preparation. Durability, aesthetics, retention, adaptability, installation time, allergenicity, oral hygiene...