Plaster Instruments

In dental laboratories, plaster instruments like the spatula and plaster knife are essential tools for mixing, shaping, and trimming gypsum products such as plaster, stone, and investment materials.

🛠️ 1. Plaster Spatula

Function: 

• Mixing gypsum (plaster, stone) with water to form a smooth, bubble-free slurry.

Features

• Flat, flexible stainless steel blade
• Wooden handle
• Spatula A: 4 x 1.12 in
• Spatula B: 4 x 0.90 in

🔪 2. Plaster Knife for Laboratory

Function:

• Trimming, carving, and shaping set plaster or stone models
• Separating casts from impressions or bases

Features:

• Rigid stainless steel blade with a sharp or curved tip
• Handle for firm grip and control
• Comes in pointed shapes
• Knife : 1.6 x 0.5 in

Use:

• Remove excess material from cast bases
• Shape the base of models for articulator mounting
• Clean up rough edges and define anatomical landmarks