Question

Some dentists use a stock tray and an impression material such as alginate , impression plaster or impression compound is used .However such impressions are generally overextended and serve as primary impressions. 51. On casts made from these primary impressions,special/custom trays are fabricated.

Answer 1

Heya __

See the answer here ___

Some dentists use a stock tray and an impression material such as alginate , impression plaster or impression compound is used .However such impressions are generally overextended and serve as primary impressions. 51. On casts made from these primary impressions,special/custom trays are fabricated....

Yup____ alignate impression is used on the compounds and the reason behind it are ________

1 It is more elastic compound ...

2 It is very less cost effective ...

3 Easily available ...

4 Easy to re construct ...

5 Tightly bound the surface...

Thank you

Answer 2

Answer:

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Explanation:

Some dentists use a stock tray and an impression material

such as alginate , impression plaster or impression compound

is used .

However such impressions are generally overextended and

serve as primary impressions.

The  Tray is tried in the mouth and modified and

the final impressions are made using Zinc Oxide Eugenol  or

other such materials.

$\huge\bf\red{\mid{\overline{\underline{BASIC\:REQUIREMENTS\:FOR\:IMPRESSION\:MAKING}}}\mid}$

• Knowledge of Basic anatomy

• Knowledge of basic reliable technique

• Knowledge and understanding of impression materials

• Skill

• Patient management