Fracture Resistance of Endodontically Treated Mandibular Permanent First Molars Reinforced with Diagonal Horizontal Postdesign: A Study.

Aim: This study aims to compare fracture resistance of mandibular first molars reinforced with diagonally placed horizontal posts after endodontic therapy.

Materials And Methods: Thirty-two mandibular first molar teeth were selected, standardized, divided into four groups (GP) - GP I (endodontically treated-no post)), GP II (horizontal post-buccolingual), GP III (horizontal postdiagonal), and GP IV (natural teeth). The individual teeth were mounted on bases, coded, and suitably prepared for the facture testing procedure.

Fracture Resistance of Titanium, Chrome-Cobalt, and Gold Alloy as Post and Core Materials: A Comparative Evaluation.

Aim: This study aimed to comparatively evaluate the fracture resistance of different metallic post and core materials.

Materials And Methods: Twenty-four maxillary-central incisors were selected, standardized, and segregated into three groups (GP I-III) ( = 8) based on the type of alloy used for post and core preparation. GP I (gold alloy [Au]), GP II (chrome-cobalt alloy [Co-Cr]), and GP III (titanium alloy [Ti]) were comparatively evaluated for use as post and core materials.