#1
Which type of dental handpiece is commonly used for cutting and shaping teeth?
High-speed handpiece
ExplanationHigh-speed handpieces are commonly used for cutting and shaping teeth due to their fast rotational speed.
#2
What is the purpose of a bur in a dental handpiece?
To cut and shape dental tissues
ExplanationThe bur in a dental handpiece is designed to cut and shape dental tissues during various procedures.
#3
Which type of dental handpiece is known for its precision and control in intricate procedures?
Low-speed handpiece
ExplanationLow-speed handpieces are renowned for their precision and control, making them suitable for intricate dental procedures.
#4
What is the function of a fiber optic system in a dental handpiece?
To provide lighting for better visibility
ExplanationThe fiber optic system in a dental handpiece serves the purpose of providing lighting for better visibility during procedures.
#5
In a dental handpiece, what is the purpose of the water spray during drilling or cutting procedures?
To cool the bur and dental tissues
ExplanationThe water spray in a dental handpiece is used to cool the bur and dental tissues during drilling or cutting procedures.
#6
Which type of dental handpiece is commonly used for polishing and finishing procedures?
Low-speed handpiece
ExplanationLow-speed handpieces are commonly used for polishing and finishing procedures in dentistry.
#7
What is the function of the chuck in a dental handpiece?
To hold and secure the bur
ExplanationThe chuck in a dental handpiece is responsible for holding and securing the bur in place during procedures.
#8
Which type of dental handpiece is characterized by a cordless and lightweight design?
Electric handpiece
ExplanationElectric handpieces are characterized by a cordless and lightweight design, offering convenience during dental procedures.
#9
What is the recommended RPM (revolutions per minute) range for a high-speed dental handpiece during restorative procedures?
50,000-200,000 RPM
ExplanationThe recommended RPM range for high-speed dental handpieces during restorative procedures is 50,000-200,000 RPM.
#10
What is the main advantage of using a ceramic bearing in a dental handpiece?
Decreased noise levels
ExplanationUsing a ceramic bearing in a dental handpiece results in decreased noise levels, enhancing the overall patient experience.
#11
What is the purpose of the autoclavable sleeve on a dental handpiece?
To prevent cross-contamination
ExplanationThe autoclavable sleeve on a dental handpiece serves the crucial purpose of preventing cross-contamination between patients.
#12
What is the purpose of the fiber optic system in a dental handpiece?
To provide lighting for better visibility
ExplanationThe fiber optic system in a dental handpiece is designed to provide additional lighting for better visibility during procedures.