Compared with stainless steel crowns, polycarbonate crowns in primary teeth are more likely to require replacement due to what characteristic?

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Multiple Choice

Compared with stainless steel crowns, polycarbonate crowns in primary teeth are more likely to require replacement due to what characteristic?

Durability under chewing forces is the main factor here. Stainless steel crowns are extremely strong and resist wear and fracture well in the primary dentition. Polycarbonate crowns, on the other hand, are acrylic-based shells that are relatively brittle and have thinner walls, so they are more prone to fracture, chipping, or debonding under functional loads. This lower durability means restorations made with polycarbonate crowns tend to fail sooner and require replacement more often. While they can be more esthetic or easier to place, those advantages don’t prevent failure; durability governs how long the restoration lasts.

Durability under chewing forces is the main factor here. Stainless steel crowns are extremely strong and resist wear and fracture well in the primary dentition. Polycarbonate crowns, on the other hand, are acrylic-based shells that are relatively brittle and have thinner walls, so they are more prone to fracture, chipping, or debonding under functional loads. This lower durability means restorations made with polycarbonate crowns tend to fail sooner and require replacement more often. While they can be more esthetic or easier to place, those advantages don’t prevent failure; durability governs how long the restoration lasts.

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