Laser Dentistry Treatment

LASER stands for “ Light Amplification by Stimulated Emission of Radiation”.

The instrument that carries a laser creates light energy in a very narrow and focused beam. This light energy produces a reaction when it touches soft or hard tissue allowing the dentist to reshape, remove or contour the tissue.

Laser Dentistry, therefore, utilizes these lasers to treat a number of different dental conditions and is a very comfortable and predictable alternative to conventional drills and blades.

It is the most convenient, minimally invasive option to treat various dental conditions.

Laser dentistry is used in a variety of procedures

Dentin hypersensitivity
Teeth Whitening
Gum Disease( LANAP)
Gum Contouring/reshaping

What is Dentin Hypersensitivity?

Teeth have three layers

Enamel: Which is the strongest part of the human body
Dentin: This makes up for the bulk of the tooth structure. It is softer than enamel.
Pulp: This carries the blood supply to the tooth.

When does dentin sensitivity occur?

In the first layer of the tooth the enamel is resistant to mechanical, thermal, and tactile perceptions.

When enamel wears away dentin is exposed. This layer is made up of dentin that has many tubules. These tubules carry fluids within them. These exposed dentin tubules respond to thermal, chemical, and tactile changes. As your teeth come in contact with sweet/ anything cold the sudden movement of fluid within the dentinal tubules causes severe sensitivity/pain.

When is dentin exposed leading to hypersensitivity?

Toothbrush abrasion
The severe wearing of upper surfaces of teeth due to teeth grinding habits
Severe gastritis
Heavy consumption of carbonated drinks
Pan / Gutka chewing

Lasers for Hypersensitivity

Laser Teeth Whitening

How does the laser work on sensitive teeth?

Seal the exposed surfaces of dentinal tubules by breaking down and solidifying dentin to form a barrier. ( Er, YSGG laser)
Blocking dentin tubules by the formation of reparative dentin (( Nd: YAG laser)
Vaporization of dentinal fluid ( Er, Cr. YSGG laser)
Provide analgesic effect by blocking the nerve transmission.

What is Teeth Whitening?

Brushing and flossing keep our teeth bright, white and healthy, it can never bring back that brightness and sparkle once it is lost.

Teeth whitening is a process that whitens and brightens your natural teeth without modifying the teeth by grinding or placing caps. This procedure improves the color of the teeth by a few shades.

In the olden day’s Teeth, whitening was the process of soaking your teeth in a hydrogen peroxide-based solution in order to remove the surface stains to make them appear whiter.

Newer methods of teeth whitening include

Laser teeth whitening
Zoom teeth whitening

When do you lose out on the sparkle of your teeth?

Food and drink consumption ( tea,coffee, soda)
Habits: smoking and tobacco chewing.
Not visiting a dentist regularly for scaling/cleaning.
Certain antibiotic usage.
Age: with age, whiter enamel wears and yellow appearing dentin is seen more.

This can be restored with teeth whitening procedures.

It does not work when?

It is contraindicated in the following conditions

Children below 13 yrs of age
Gum diseases
HyperSensitive teeth
Existing crowns on teeth
Trauma/fractures of teeth
Severely Worn out teeth


Laser light cannot filter out infrared emissions.
Excess heat from the laser can damage the pulp and cause nerve damage.
The laser is small so covers a smaller area for a longer time.

Zoom Teeth Whitening

Zoom!® is different from other whitening procedures because it uses a special UV light to enhance the whitening gel. This forces the gel deeper into the tooth enamel to remove stubborn stains.

The whitening gel is applied to the surface of the teeth
A low-heat lamp is used to activate the process.
The gel removes deep stains and discolorations and can leave your teeth up to 10 shades whiter.

Advantages over Laser Whitening?

ZOOM Light can hit the entire mouth at one time reducing the time of exposure.
It can filter out infrared emissions
Low heat can be safe on the tooth and will not cause nerve damage.

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