Daily Updates in dentistry, Laser Dentistry

Effect of Laser on Tissues – Laser Dentistry

Laser Dentistry is a new trend in dentistry which is being increasingly used because of its advantages and the ease of use in certain procedures in your dental clinic.

Click here to know how laser is used in Various branches of Dentistry: Advantages of Laser Dentistry

To know the proper functioning of Laser dentistry, we should first know the effect a Laser beam will be having on our human body tissue.

Laser acts by focusing a beam of Laser light on water molecules present in tissues to bring about the following changes in the human tissue:

Effects of Laser on Human/ Oral Tissue – Laser Dentistry: 

  • 37-50 degrees – Hyperthermia
  • 60 degrees – Coagulation protein denaturation
  • 70-90 degrees – Welding of tissue
  • 110 – 150 degrees – Vaporization
  • > 200 degrees – Cartonization

The effects are divided based on changes in temperature  so before using laser we should have the proper knowledge to set the temperature to optimum level to bring about the desired change in out dental procedure.

Effects of Laser of Oral Tissue
Effects of Laser of Oral Tissue

Types of Lasers used in Dentistry: 

  • Gas Lasers: CO2, HeNe, Excimer, Ion Lasers
  • Semi Conductor – Diode Lasers: Argon Lasers
  • Dye Lasers: Rhodamine 6G
  • Solid State Lasers: Nd: YAG Lasers, Er: YAG lasers, Er.Cr: YSGG laser, Ho: YAG laser, KTP laser

Dental Lasers have to be divided based on their action of Soft Tissue (gingiva, Oral mucosa, Pulp) and Hard Tissue (Enamel, Dentin, Alveolar Bone)


  1. Jesus, i ve heard from the good way to use laser technique to fix problems with dents and meat, but this picture looks really horrible. :) Good that as patient you don´t see what the dentist will do all in your mouth. :)

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