NEET MDS - Master of Dental Surgery (Medical) NEET-MDS Conservative Dentistry-Tarnish and Corrosion Study Material (Page 1 of 1)

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Tarnish and Corrosion: Tarnish, Corrosion- Causes, Classification of Corrosion, Types of Electrolytic Corrosion

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Introduction

Tarnish

Tarnish is a Surface Discoloration on a Metal

Tarnish is a surface discoloration on a metal surface or even a slight loss or alteration in the surface finish/luster is considered to be as tarnish. Tarnish generally occurs in oral cavity due to the following reason:

  • Formation of hard and soft deposits on the surface of the restoration such as calculus, mucin and plaque.
  • Pigment-producing bacteria which produces stain.
  • Formation of thin film of oxides, sulfides and ch…

… (332 more words, 17 figures) …

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