Which of the Following Is True for Hydrocolloids in Dentistry

question 1

Multiple Choice

Which of the following is true for hydrocolloids in dentistry?

• A) Agar hydrocolloid is a reversible hydrocolloid.
• B) Agar hydrocolloid requires the use of custom impression trays.
• C) The main clinical use of reversible hydrocolloid is for impressions for diagnostic casts.
• D) When agar powder is mixed with water,it forms a gluelike suspension that entraps the water,making a colloidal suspension called a gel.

Explain the preparation of acidic or basic organic solvents.

Understand the principles of colligative properties such as freezing point depression.

Know the spectrum regions and their beginnings.

Understand the principles of High Performance Liquid Chromatography (HPLC) and the elution sequence.

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