MANDIBULAR DENTURE PRIMARY STRESS BEARING AREA Buccal Shelf Area- Because it is made of cortical bone- It is perpendicular to masticatory forces / occlusal planeTRetromolar pad is Secondary stress-bearing area- It provides retention, support & stability- It adds another plane to the movement of the denturePosterior most extension- 2/3rd height of the retromolar padMandibular dentures do not rely on suction unlike max dentures, they get maximum stability bycovering as much basal bone as possible without impinging on the muscle attachments.

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