Introduction: Restoration of freshly erupted permanent first molars with extensive caries is a challenge in pediatric dentistry. This study aimed to compare the fracture resistance of permanent molars with undermined walls restored with amalgam and composite resin along with cusp reduction. reinforcement of the walls with glass ionomer (GI) or no further intervention. Methods: This ex... https://aszgajem793cub.nizarblog.com/35080469/a-modern-mode-of-activation-for-nucleic-acid-enzymes