PMC3220066_01
Resorbed mandibular ridge
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F1
PMC3220066_02
Lower special tray with spurs or fins projecting upward
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F2
The special tray was a plate of acrylic adapted to the lower ridge, without a handle, with spurs or fins projecting upward toward the upper arch [Figure 2].
Notch is cut in the lingual center section, and two notches were made on each of the buccal sides
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F3
One notch is cut in the lingual center section, and two notches are made on each of the buccal sides, one in the cuspid and one in the molar region [Figure 3].
Shape of the denture is permanently registered in the plaster index
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F4
The shape of the denture is now permanently registered in this plaster index [Figure 4].
Bare acrylic resin denture base
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F5
The low fusing compound is now destroyed down to the bare acrylic resin [Figure 5].
Bare acrylic resin denture base with the index
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F6
The index is then coated with a light mineral oil and assembled with the acrylic resin base in position [Figure 6].
Labial and lingual indices on the occlusal surface
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F7
The pink baseplate wax is slowly melted in a ladle and poured into the index through the space between the labial and lingual indices on the occlusal surface [Figure 7].
Lower occlusion rim
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F8
This is easily handled, and being attached to the acrylic resin base, it becomes the lower occlusion rim [Figure 8].
Lower teeth arrangement in the neutral zone
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F9
All of the lower teeth are set first [Figure 9].
Wax trial dentures
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F10
Denture insertion
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F11
The finished lower denture must be polished very lightly, and with extreme care finally the denture insertion [Figure 11] and postinsertion instructions were given.