EFDA Final

EFDA

100

1. A dental charting system that uses a geometric style represents the teeth with ___.

 "Circles"

200

1. Most surgical procedures are scheduled in the ___ because patients must not eat or drink from 8-12 hours before receiving general anesthesia. 

"Early morning"

300

1. Which of the following is an acceptable method for altering the setting time of alginate irreverseible hydrocolloid impression material? 

"Change the water temperature"

400

1. Disclosing solution can be used for ___. 

"Evaluating the effectiveness of the polishing;Identifying areas of plaque'

500

1. Nitreous oxide administration almost always begins and ends with ___.

 "The patient breathing 100% oxygen"

EFDA

100

1. The clinical dental assistant will follow a routine protocol for the patient clinical exam that includes seating the patient in the dental treatment and ___. 

"Draping the patient with a napkin;Positioning the patient for the dentist to begin the exam"

200

1. ___ are the longest teeth in the human dentition and are used for cutting and tearing. 

"Canines"

300

1. When the patient has a fixed prothesis such as 3-unit bridge, the area under the pontic is maintained by ___. 

"Threading dental floss under the pontic with a bridge threader."

400

1. ___ can be used in selected situations such as a replacement in a congenially missing lateral incisor as an alternative to a traditional bridge.

 "A maryland bridge;resin-bonded bridge"

500

1. The type of ceramic most often used in dentistry for casting is ___. 

"Porcelain"

EFDA

100

1. The most common cause of sealant loss is ___. 

"Moisture contamination during placement"

200

1. Patient home care instructions for someone with provisional coverage should instruct him to ___. 

"Pull floss through contact either to the facial or lingual side once floss is placed below the contact."

300

1. Dental dams are made of either latex or latex free materials and come precut as square that measure ___.

 "5x5 inches;6x6 inches"

400

1. A trimmed maxillary model will be ___ at the anterior portion, and the mandibular model will be ___ at the anterior portion. 

"Pointed;Rounded"

500

1. A ___is a piece of dental floss or dental tape that should always be attached to the bow of the dental dam clip before the clamp is placed in the patients mouth. 

"Ligature"

EFDA

100

1. Which of the following are advantages of using glass ionomer as a restorative material? 

"Glass ionomer releases fluoride after their final setting"

200

1. When performing a single handed instrument transfer with a right handed dentist, the Dental Assistant transfers the dental instrument with ___. 

"The left hand"

300

1. A short acting local anesthetic agent can last from ___. 

"60 to 180 minutes"

400

IRM is a ___.

"Zinc oxide eugenol cement"

500

1. Enamel that has been etched has the appearance of being ___. 

"Frosty"

EFDA

100

1. The radiograph most commonly exposed for orthodontic patient is the ___. 

"Cephalometric"

200

1. A ___ is taken to produce a reproduction of the occlusal relationship of the maxillary and mandibular teeth when the mouth is occluded. 

"Bite-registration"

300

1. If an alginate impression is stored in water or in a soaked paper towel, the alginate will absorb the additional water and expand. This property is called ___. 

"Imbibition"

400

1. The isolaton of anterior teeth is usually ___.

 "From canine to canine"

500

1. The universal or tofflemire retainer holds the matrix band snuggly and postioned, most oftenly positioned ___. 

"On the buccal surface of the tooth being restored"