EFDA Hottel Book Chapter 2 & 3 Exam
Questions & Answers (Grade A+)
In what position would an operator be if they are right handed? -
correct answer ✅8:00-12:00 position
In what position should the patient be if working on maxillary
teeth? -
correct answer ✅Supine
How many inches should the operator be from the patients face? -
correct answer ✅12-14
what is a finger rest called? -
correct answer ✅fulcrum
disadvantages of using cotton rolls? -
correct answer ✅1. become saturated
2.risk of contaminating with moisture
3. limited retraction
4. no protection against aspirating
Advantages of rubber dam -
correct answer ✅1. Area is kept dry
, EFDA Hottel Book Chapter 2 & 3 Exam
Questions & Answers (Grade A+)
2. protects pt from debris
3. economic on time
4. improved properties of dental materials
5. retraction of soft tissues
6. protects soft tissues from irritants
Disadvantages of using a rubber dam -
correct answer ✅Time consuming
what is a ligature -
correct answer ✅dental floss or tape attached to the bow of the
dental dam clamp
how many teeth should be isolated when placing a rubber dam? -
correct answer ✅One tooth distal and two teeth mesial
what is the purpose of a winged clamp -
correct answer ✅allows for the clamp to be placed on the dam
prior to placement
Questions & Answers (Grade A+)
In what position would an operator be if they are right handed? -
correct answer ✅8:00-12:00 position
In what position should the patient be if working on maxillary
teeth? -
correct answer ✅Supine
How many inches should the operator be from the patients face? -
correct answer ✅12-14
what is a finger rest called? -
correct answer ✅fulcrum
disadvantages of using cotton rolls? -
correct answer ✅1. become saturated
2.risk of contaminating with moisture
3. limited retraction
4. no protection against aspirating
Advantages of rubber dam -
correct answer ✅1. Area is kept dry
, EFDA Hottel Book Chapter 2 & 3 Exam
Questions & Answers (Grade A+)
2. protects pt from debris
3. economic on time
4. improved properties of dental materials
5. retraction of soft tissues
6. protects soft tissues from irritants
Disadvantages of using a rubber dam -
correct answer ✅Time consuming
what is a ligature -
correct answer ✅dental floss or tape attached to the bow of the
dental dam clamp
how many teeth should be isolated when placing a rubber dam? -
correct answer ✅One tooth distal and two teeth mesial
what is the purpose of a winged clamp -
correct answer ✅allows for the clamp to be placed on the dam
prior to placement
