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Effect of Laser on Tissues – Laser Dentistry

October 16, 2012 by Dr. Varun Pandula 3 Comments

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. Lasers are being used in multiple Dental treatment procedures like – Tooth Decay, Gum Disease, Lesion removal or taking a specimen for Biopsy, Gum de-pigmentation and also Teeth Whitening procedures

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. In general when the laser beam comes in contact with the tissue surface it vaporizes the tissue, while cutting soft tissues it also helps to cauterize the blood vessels leading to a blood less working field. In case of tooth whitening procedures, it does not act on the tooth surface directly but increases the effect of tooth-bleaching materials used in Tooth whitening.

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.

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). Lasers being new to the field of Dentistry have their Pros and Cons, these help in minimizing bleeding during soft tissue treatments, reduces the anxiety of patients who fear Dental Drills. But treatment with Dental Lasers are costly in comparison to what the same treatment costs with a Dental Drill.

Comments

  1. Zahnarzt-XXL says

    November 1, 2012 at 3:34 pm

    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. :)

  2. Herbert Cronon says

    June 23, 2013 at 10:01 am

    Iodine deficiency is often cited as the most common cause of hypothyroidism worldwide but it can be caused by many other factors. It can result from the lack of a thyroid gland or from iodine-131 treatment, and can also be associated with increased stress. Severe hypothyroidism in infants can result in cretinism.

  3. Marlys says

    July 29, 2014 at 2:22 am

    First off I want to say excellent blog! I had a quick question in which
    I’d like to ask if you do not mind. I was curious to find out how you center yourself and clear your head prior to writing.
    I’ve had trouble clearing my mind in getting my ideas out. I do enjoy writing however it
    just seems like the first 10 to 15 minutes are lost just trying to figure out how
    to begin. Any recommendations or tips? Kudos!

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Varun Pandula

Varun Pandula

A Dentist by profession but a tech enthusiast by heart, trying to learn and enjoy both the professions.

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About Me

Hi I'm Varun, I'm currently a Dental Surgeon from India practicing from the past few years. I Started this Blog to help dental students as you can see from the name and also constantly try to keep updating information which can be useful for patients and Dental Practitioners as well. You can contact me here to for any Questions. Read More…

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