Custom Impression Tray Flashcards

1
Q

Mark the border of the tray on your diagnostic cast approximately ____ mm apical to the crest of the free gingiva

A

5

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2
Q

Apply thin coat of Vaseline to areas not being covered by tray, then adapt two sheets of ____ wax over the teeth and cast to the marked border

A

Baseplate

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3
Q

A total of ____ stops are needed in the tray to maintain even space for the impression material. Place these stops on the ____ cusps of the teeth.

A

3

Noncentric (lingual cusps of mand)

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4
Q

Take 3 small pieces of ____ and apply it to stops first, then carefullly adapt the material to the entire cast and shape excess into handle.

A

Triad

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5
Q

Cure the triad material for ____ minutes, then remove it from cast.

A

2

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6
Q

The tray should cover the last molar, but not extend more than ____ mm beyond the teeth onto the land area posteriorly

A

2

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7
Q

The tray must be at least ___ mm thick for strength and rigidity

A

2 (no more than 3)

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