DAT 101 Final Exam with Complete
Solutions 100% Verified
What is the purpose of a matrix system? - ✔✔Provides a temporary interproximal wall for the
restorative material and creates an external surface against which the restorative material is
packed
If a cusp is lost during preparation, which matrix band would provide the best support while
restoring? - ✔✔extension
Why is a matrix band contoured prior to placing the restorative material? - ✔✔ensure the final
restoration will have proper contact with adjacent tooth
Where is the wedge positioned when placing a posterior restoration? - ✔✔lingual
Mylar strips are used for class restorations. - ✔✔III
Once the AutoMatrix band is positioned on the tooth, how is the band tightened? - ✔✔a wrench
turns the coil clockwise to tighten the band
What is the correct order of steps for preparing the T-band matrix? - ✔✔1. bend the wings of the
t-band to form a U-shape
slip the free end of the band through the V formation
close the wings
pull free end to make a small loop band holding the free end of the band toward facial 5. place
the band loop on tooth
Which of the statements is incorrect about a spot-welded band? - ✔✔the spot-welded band
, measures 3/4-1 in of copper material
If a restoration is not contoured properly, it can result in an - ✔✔overhang
What is the component of a universal matrix retainer that serves to hold the matrix band securely
in the retainer? - ✔✔spindle
What is the component of the universal matrix retainer that is always positioned in the mouth
facing the gingiva called? - ✔✔diagonal slot
The is used to decrease the size of the matrix band loop after the band has been placed on
the tooth. - ✔✔inner knob
The larger side of the universal matrix band loop is always directed toward which part of the
tooth? - ✔✔occlusal one third
A patient who reports for an initial appointment should be - ✔✔asked to complete patient history
and be told why the information is needed.
Which of the following is not true regarding the patient record? - ✔✔The patient record is
property of the patient
After patients review the HIPAA written policy, they sign a form that - ✔✔acknowledges the
patient's receipt of the privacy policy.
The goal of obtaining medical history information from a dental patient is to ensure all of the
following except - ✔✔provide information regarding medical care to be delivered by the dentist.
Solutions 100% Verified
What is the purpose of a matrix system? - ✔✔Provides a temporary interproximal wall for the
restorative material and creates an external surface against which the restorative material is
packed
If a cusp is lost during preparation, which matrix band would provide the best support while
restoring? - ✔✔extension
Why is a matrix band contoured prior to placing the restorative material? - ✔✔ensure the final
restoration will have proper contact with adjacent tooth
Where is the wedge positioned when placing a posterior restoration? - ✔✔lingual
Mylar strips are used for class restorations. - ✔✔III
Once the AutoMatrix band is positioned on the tooth, how is the band tightened? - ✔✔a wrench
turns the coil clockwise to tighten the band
What is the correct order of steps for preparing the T-band matrix? - ✔✔1. bend the wings of the
t-band to form a U-shape
slip the free end of the band through the V formation
close the wings
pull free end to make a small loop band holding the free end of the band toward facial 5. place
the band loop on tooth
Which of the statements is incorrect about a spot-welded band? - ✔✔the spot-welded band
, measures 3/4-1 in of copper material
If a restoration is not contoured properly, it can result in an - ✔✔overhang
What is the component of a universal matrix retainer that serves to hold the matrix band securely
in the retainer? - ✔✔spindle
What is the component of the universal matrix retainer that is always positioned in the mouth
facing the gingiva called? - ✔✔diagonal slot
The is used to decrease the size of the matrix band loop after the band has been placed on
the tooth. - ✔✔inner knob
The larger side of the universal matrix band loop is always directed toward which part of the
tooth? - ✔✔occlusal one third
A patient who reports for an initial appointment should be - ✔✔asked to complete patient history
and be told why the information is needed.
Which of the following is not true regarding the patient record? - ✔✔The patient record is
property of the patient
After patients review the HIPAA written policy, they sign a form that - ✔✔acknowledges the
patient's receipt of the privacy policy.
The goal of obtaining medical history information from a dental patient is to ensure all of the
following except - ✔✔provide information regarding medical care to be delivered by the dentist.
