EFDA OHIO board prep Hottel book
Ch3 isolation Exam Questions &
Answers (Grade A+)
vestibule or floor of the mouth adjacent to the operating site -
correct answer ✅cotton rolls may be placed here for retraction
and dryness during a short procedure
what is the biggest disadvantage of using cotton rolls for isolation: -
correct answer ✅the risk of contaminating the field with moisture
is increased
1- dry clean and visible field of operation
2- protection of the patient and operator
3- economic factors
4- improved properties of dental materials
5- retraction of soft tissues
6- application of medicaments -
correct answer ✅name 6 advantages of using the rubber dam
1 tooth distal and two teeth mesial to the tooth being restored -
correct answer ✅a general guideline is to isolate at least how
many teeth distally, and how many teeth mesially to the tooth
being restored?
, EFDA OHIO board prep Hottel book
Ch3 isolation Exam Questions &
Answers (Grade A+)
ideal isolation -
correct answer ✅Rubber dam
1- explain the procedure, floss and prepare the contact areas
2- select the appropriate size/type of clamp
3- attach floss to the clamp, preferably through the forcep hole -
correct answer ✅what are the three steps taken BEFORE the
actual placement of the rubber dam?
2 jaws and 1 bow -
correct answer ✅the clamp is made up of what parts? (how many
jaws, how many bows?)
Cotton roll isolation -
correct answer ✅oldest method of retraction and dryness
Jaw -
correct answer ✅The part of the clamp that is expanded to fit over
a tooth
Ch3 isolation Exam Questions &
Answers (Grade A+)
vestibule or floor of the mouth adjacent to the operating site -
correct answer ✅cotton rolls may be placed here for retraction
and dryness during a short procedure
what is the biggest disadvantage of using cotton rolls for isolation: -
correct answer ✅the risk of contaminating the field with moisture
is increased
1- dry clean and visible field of operation
2- protection of the patient and operator
3- economic factors
4- improved properties of dental materials
5- retraction of soft tissues
6- application of medicaments -
correct answer ✅name 6 advantages of using the rubber dam
1 tooth distal and two teeth mesial to the tooth being restored -
correct answer ✅a general guideline is to isolate at least how
many teeth distally, and how many teeth mesially to the tooth
being restored?
, EFDA OHIO board prep Hottel book
Ch3 isolation Exam Questions &
Answers (Grade A+)
ideal isolation -
correct answer ✅Rubber dam
1- explain the procedure, floss and prepare the contact areas
2- select the appropriate size/type of clamp
3- attach floss to the clamp, preferably through the forcep hole -
correct answer ✅what are the three steps taken BEFORE the
actual placement of the rubber dam?
2 jaws and 1 bow -
correct answer ✅the clamp is made up of what parts? (how many
jaws, how many bows?)
Cotton roll isolation -
correct answer ✅oldest method of retraction and dryness
Jaw -
correct answer ✅The part of the clamp that is expanded to fit over
a tooth
