Record bases & occlusion rims

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• Advantages : they are rigid, accurate, stable, not subject to distortion, and suitable for arrangement of teeth. • Disadvantages : require considerable time, more expensive.
Occlusion rims • Definition : occlusion rims are occluding surfaces constructed on record bases or permanent denture bases to be used in recording jaw relations and for arranging teeth. • Requirements : • the position should be in the anticipated position of the artificial teeth. • it must be securely attached to the base. • the occlusal surface must be smooth and flat. • it should be contoured to support the lip and cheeks accurately. • all the surfaces should be smooth.
Page 1 and 2: Record bases & occlusion rims
Page 3 and 4: Objectives: • To retain the recor
Page 5 and 6: Types • Temporary record bases: T
Page 7 and 8: Shellac base plate Advantages: •
Page 9 and 10: Shellac • Any undercuts are relie
Page 11 and 12: Reinforced shellac • Any undercut
Page 13 and 14: Cold cure acrylic resin Advantages:
Page 15 and 16: Methods • Sprinkle on method •
Page 17 and 18: Finger adapted dough method • Any
Page 19 and 20: Visible Light cured acrylic resin
Page 21 and 22: Vacuum formed vinyl and polystyrene
Page 23 and 24: Base plate wax • Wet the cast •
Page 25: Heat processed acrylic resin • a
Page 29 and 30: Wax Rim • Wax rims are smooth and
Page 31 and 32: Mandibular arch • The anterior wa
Page 33 and 34: eady made occlusion rim • its sup
Page 35: THANK YOU FOR YOUR NICE ATTENTION

Record bases & occlusion rims

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