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. 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.
About Author
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I am Varun, a Dentist from Hyderabad, India trying my bit to help everyone understand Dental problems and treatments and to make Dental Education simplified for Dental Students and Dental fraternity. If you have any doubts feel free to contact me or comment in the post, thanks for visiting.
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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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