Dental Solders: Types, Properties, and Applications in Dentistry

Soldering Welding in Dentistry

The word soldering is used if two pieces of metal are joined by means of a third (filer) metal.

Ideal Requirements of Dental Solder:

• It should melt at a low temperature.
• When melted, it should be wet and flow freely over the parent metal.
• Its color should match that of the metal being joined.
• It should be resistant to tarnish and corrosion.
• It should resist pitting during heating and application.

Dental soldering in prosthodontics

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Application of Solders in Dentistry :

• For soldering various types of wires in orthodontics.
• In pedodontics, construct various types of space maintainers.
• In fixed prosthodontics for:
  • Joining the various components of fixed partial prostheses.
  • To develop a contact point in the crown.
  • For repair of perforation in crown and bridge.
• In removable partial prosthodontics for soldering of clasps.

Types of Solders in Dentistry:

They may be divided into two major groups:

1. Soft solders
2. Hard solders.

Soldiers in fixed prosthodontics

1. Soft Solders: Soft solders have a low melting range of about 260°C. They lack corrosion resistance and so are not suitable for dental use.
2. Hard Solders: These have a higher melting temperature and greater strength and hardness.

• • They are melted with the help of gas blow torches or occasionally in an electric furnace. Hard solders are more commonly used in dentistry.
  • Two types of hard solders used in dentistry are gold solders and silver solders.

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Composition Of Gold Silver Solder Dentistry:

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Properties Of Gold Silver Solder in Dentistry:

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Uses Of  Gold Silver Solder in Dentistry: