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Fracture type distribution based on Material, Time and Root third (%). CR: composite resin; RC: resin cement; IR: intraradical retainer; D: dentin. NED: No expiration date. 6 months: 6 months after expiration date. 12 months: 12 months after expiration date. There was no fracture distribution for the following fracture types: adhesive fracture between fiber post and resin cement; and cohesive fiber post fracture.
