Question

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It is 11 AM, and you have a patient seated for a restorative procedure. You notice that you have depleted the supply of clean handpieces while caring for the emergency patients seen earlier in the day. What do you do?

A patient received her new dentures yesterday and has returned to the office with discomfort. The dentist tells the patient that the denture must be adjusted to fit better. Describe how you would set up the low-speed handpiece with a laboratory-type acrylic bur.

While setting up the treatment room in preparation for a restorative appointment, you note that the #2 round bur has dried blood on it. What do you do with the bur, and what caused this?

Answer 1

1. ANS: The dentist utilizes the hand-piece of high speed in every restort mechanism. In different the hand-piece of low-speed does not have appendage and the auxiliary item located in this apparatus of hand piece is the retreatment itself. The hand-piece of high speed effective to air bad and extend momentum up to 4,50,00 rpm.

The dentist will utilize the hand piece of high speed technique to infected tooth formation or exchange a damaged restoration moderation and tooth composition are then agreed with the utilize of hand-piece of low -speed technique and hand apparatus.

Some of the point to use the methods:

Composition of the retention and designed groove current restoration

Decompose removing

During surge, the tooth is Sectioning.

Polishing and Finishing of repair

Confiscation of a damaged or old reconditioning

Cutting in the crown part of the tooth in composition for a bridge or a crown.

2. ANS: The low speed hand piece is set up with the laboratory type acrylic bur by a straight type shank fit in a straight angle slow speed hand piece. A laboratory type acrylic bur is used to cut models or trim the acrylic in the laboratory. Later a magnetic bur is used to setup and hold the burs in place.

A mandrel long shank is used in the straight slow speed hand piece. The low speed hand piece is the most versatile hand piece in the dentistry which rotates at a speed of 10,000 to 30,000 RPM.

The mandrel long shank is fitted into the straight type shank fit with the help of a magnetic bur which is a laboratory type acrylic bur to fit the denture correctly in place.

3. ANS: The hand-piece apparatus of low speed is frequently named to as the straight hand-piece because of its designed in straight time, and is one of the most flexible hand-piece utilized by the dental group.

The hand-piece apparatus of low speed Is outlined In two dimensions which are standard extent mostly utilized In effective method where as In shortu and in the laboratory, which is utilized for prophylaxis accessible speed realm from 10,000 to 30,000 revolves per minute The spinning device can be located to manage with onward or rearward motion.