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Comparative evaluation of hybrid resin polymer crowns versus preformed metal crowns in primary molars of children aged 3-7 years: a prospective parallel-group clinical study.

European archives of paediatric dentistry : official journal of the European Academy of Paediatric Dentistry · Soltan Ahmadi M, Yadolahi B, Taghian M, Hosseinnataj A, Ahangari M · 2026-09-05

Researchers compared hybrid resin polymer crowns with preformed metal crowns for restoring decayed primary molars in children aged 3–7 years over nine months. Metal crowns showed better durability and gum health, while resin crowns offered improved appearance and higher parental satisfaction, with both demonstrating acceptable clinical performance.

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