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What part of the digestive system do the mechanical digestion?
Mechanical digestion is the breakdown of food through chewing, mixing, or churning. Mechanical digestion occurs in the mouth and stomach. The food is physically torn apart through the teeth, tongue, stomach contractions, etc. This is counterpart to chemical digestion, where acids and other enzymes chemically pull apart the food.
What is attrition in dentistry?
The loss of tooth structure by mechanical forces from opposing teeth.
Is mechanical energy always conversed?
No because people ofen say that an eye for an eye and a tooth for a tooth as moses quoted. plus the death rate increased.
Why does digestion begins in the mouth?
The mouth is important because that is the first place where food is mechanically chewed up before it reaches the stomach. It also is mixed with saliva which makes it moist and carries amylase an enzyme that begins the breakdown of carbohydrates,
What form of energy does a electric tooth brush use?
Electrical energy, converted to mechanical energy by an electric motor.
What can cause eroded tooth enamel?
Acid drinks (sodas and fruit juices) Bacterial acid Mechanical abrasion
Who was responsible for the code of laws eye for an eye and a tooth for a tooth?
King Hammurabi instituted this code of laws to keep his society stable. This is known as Hammurabi's Code.
Did saber-toothed tigers hunt mainly at night?
saber tooth tigers like to hunt in the night
Which step in dentin bonding is responsible for wetting the tooth surface in preparation for the bonding resin?
c. priming
What is wearing away of tooth?
Damage to your teeth or tooth wear can be caused by any process that results in loss of integrity of the tooth surface. Tooth decay is a bacteria-caused form of tooth damage. The other forms of tooth damage are the result of mechanical or chemical assault to the tooth structure which may be brought about by your daily habits for example grinding in your sleep and tooth brushing. Acquired tooth wear can be classified into attrition, abrasion, erosion, abfraction and fracture. http://www.intelligentdental.com/2010/02/20/how-your-daily-habits-can-hurt-your-teeth/
You fell at work and broke your tooth who pays your dentist?
If you were injured and broke your tooth due to a work-related accident, your employer would be responsible for covering the costs incurred for having your tooth repaired. They would have to file a claim with their Workers Comp carrier.
What is mechanical retention use for in dentistry?
Removable Partial Dentures utilize mechanical retention. They have clasps that engage undercuts in existing teeth to stay in the mouth. The clasp has a spring effect to flex over a "high" spot on a tooth as the RPD is placed in the mouth. As the clasp flexes past the high spot it springs back to it's original shape and engages the "undercut" creating mechanical retention. This is one of many ways mechanical retention is used for Dentistry. The Gayso Bridge technique is another procedure that utilizes mechanical retention, where undercuts are created on the side of a tooth and a corresponding undercut is made on a restoration creating a "tube effect" with half of the "tube" being in the restoration and the other half of the "tube" on the adjacent tooth utilizing a retentive pin to be placed through the "tube." This keeps the restoration from moving up or down to work in conjunction with preparations made in the adjacent tooth for preventing buccal-lingual movement. There are many other ways mechanical retention can be used in Dentistry but I would be required to write a book !
