Causes of Bleaching of teeth

1
Causes of Bleaching of teeth
2
OVERVIEW

• Over 92 of adults agree that an attractive smile
  is an important social asset
• 88 always remember someone with an especially
  attractive smile
• 85 agree that an unattractive smile is not
  attractive to the opposite sex.
• 74 agree that an unattractive smile can lessen
  the chances of professional success
• Only 50 are satisfied with your smile

3
TEETH WHITENING

• It is the process used to treat teeth for
  aesthetic purposes, eliminating the effect of
  staining or discoloration of extrinsic or
  intrinsic origin.
• Tooth discoloration is defined as "any change in
  thehue, color, or translucency of a tooth due to
  anycause.

4
Classification

• Internal bleaching (in non-vital teeth only) and
  in the case of a tooth endodontic (root canal
  treatments with sodium perborate) and may be
  supplemented by external whitening techniques.
• External bleaching (vital teeth), involves the
  application of substances on the outside of the
  tooth.
• Carbamide peroxide-In general outpatient
• Hydrogen peroxide Basically for Clinical
  treatments

5

6
What Causes Discoloration Disease

• Extrinsic
• Coffee and tea stains
• Cigarette
• Diet
• Tobacco

• Intrinsic Tetracycline stains
• Fluorosis stains
• Trauma to tooth
• Systemic condition
• Iatrogenic discoloration

7
Tetracycline staining

• More susceptible during the second trimester in
  vitro to roughly 8 years after birth.
• Tetracycline molecules chelate with calcium and
  gets incorporated into the hydroxyapatite
  crystals.
• Severity of stains depends on the time and
  duration of drug administration.

8
Indications

• Discolouration of anterior teeth after R.C.T.
• Tetracycline stains (mild)
• Fluorosis
• Haemorrhagic discolouration
• Discolouration due to ageing
• Medication discolouration

9
Issued and published by Great Hill Dental
Partners
Our Social Media Presence