Impressions

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Secondary or definitive impression • Definition ‣ Should record the entire functional denture- bearing area to ensure maximum support, retention and stability for the denture during use • Primary purpose ‣ To record accurately the tissues of the denture bearing areas, in addition to recording the functional width and depth of the sulci
Special trays • Close fitting tray • 2mm even thickness • Smooth • Rigid material ( eg. Cold cure acrylic) • 2mm short of sulcus • 45° handle
Page 1 and 2: IMPRESSION MAKING (IN COMPLETE DENT
Page 3 and 4: Categories • Primary impressions
Page 5 and 6: Tray selection for primary inpressi
Page 7 and 8: Primary impression • Upper Sit pa
Page 9: • Once the material has set, the
Page 14: Secondary impression making • Upp
Page 18: Salient anatomical features of dent
Page 22: The Incisive Papilla • Nerves and
Page 25: Vibrating Line • Imaginary line a
Page 33 and 34: Retromolar Pad • Triangular soft
Page 35: References 1. Nallaswamy D. (2003).

Impressions

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