EFDA
EFDA
EFDA
EFDA
EFDA
100
  1. The most frequently used pain control in dentistry is ___. 

"Local Anesthesia"

100
  1. The most common type of attachment for fixed appliances is the ___. 

"Bonded bracket"

100
  1. The dental restorations created in a lab by the dental lab tech are classified as ___. 

"Indirect Restoration"

100

The most common materials used for custom provisional coverage is ___.

"Self curing acrylic resin"

100
  1. The key to Angle's classification system for occlusion and malocclusion is ___. 

"The permanent maxillary first molars"

200
  1. Which of the following choices represents an indigenous stain? 

"Staining from an excessive amount of fluorided during the development of the tooth."

200
  1. Materials that are versatile in their uses such as for specialized dental bases include ___. 

"Dental cements"

200
  1. Esthetic dentistry is primarily devoted to improving the appearance of teeth by either restoring the imperfections with direct and indirect materials, or with the use of ___. 

"Whitening Techniques"

200
  1. A ___ is a cast restoration that is designed to fit snuggly within a tooth preparation such as a class II restoration and that covers only a portion of the occlusal and promixal surface.

"Inlay"

200
  1. A sealant that is polymerized by chemical reactions is called ___. 

"Self cured"

300
  1. ___ is added to dental amalgam alloy powder to supress oxidation. 

"Zinc"

300
  1. Protective bases are placed when it is necessary to protect the pulp before a restoration is placed because without this protection, there may be ___.

"Post operative sensitivity and damage to the pulp"

300
  1. A delay between the final mix and receiving the restoration could result in ___ and the possibility of the casting not fitting completely. 

"An initial setting process"

300
  1. ___ is the process in which the resin material is changed from a pliable state into a hardened restoration. 

"Polymerization"

300
  1. The usual material of choice of Class III and Class IV restorations is ___. 

"Composite resin"

400
  1. A matrix must be used to create a temporary wall for which of the following classification of tooth restoration?

 "Class II and IV, Class II and Class III"

400
  1. The HVE is able to take up water and debris because a ___ volume of air is moved into the vacuum hose at ___ pressure to create a strong suction. 

"High;Low"

400
  1. Severe malocclusion and dental facial deformities both of which can cause social stigma and have a negative impact on a patients self esteem are examples of ___. 

"A psychosocial function of adversity"

400
  1. Current infection control guidelines of the organization for Safety and Procedures consider instrument trays to be ___ surfaces. 

"Transfer"

400
  1. Intraoral imaging provides the dentist with ___.

 "Magnification of an image for better evaluation."

500
  1. To contour a metal matrix band for posterior teeth, place the band on a paper pad and rub against the inner surface of the band with ___ until the ends begin to curl. 

 "A burnisher or end of a mirror handle."

500
  1. Temporary cements are used when the dentist will ___. 

"Remove the direct restoration at a later time."

500
  1. The ___ is used as a matrix system for the primary molars. 

"T-band;Spot welded band"

500
  1. A liquid with high viscosity ___ flow easily and ___ in wetting a surface. 

"Does not; Is not effective"

500

The most common matrix system used for class II posterior restorations is the ___.

"Tofflemire retainer and matrix band"