01.31

Question 1

if a patient has been taking bisphosphonates for more than three years, what can/should be done for them to receive an implant?

Answer 1

consider having them go off the medication for at least three months before surgery

Question 2

what test is performed to determine potential risk of osteonecrosis?

Answer 2

blood test called CTx (C- terminal telopeptide)
Test results:
 100-150 pg/ml = moderate risk 
< 100 pg/ml = high risk 
>150 pg/ml = minimal risk

Question 3

how does smoking relate to implant success?

Answer 3

• it is a relative contraindication

- the success rate decreases, and it depends on the amount smoked

Question 4

in general, where are implants going to fail more often?

Answer 4

posterior maxilla

Question 5

what are the 2 major factors that most frequently determine whether or not a patient will receive treatment?

Answer 5

the two D’s: Desire and Dollars

Question 6

you do not want to connect implants to what?

Answer 6

natural teeth

Question 7

how much interarch space is needed for an implant

Answer 7

about 35 mm to accommodate the handpiece

Question 8

location of implants in the anterior mandible need to be…

Answer 8

at least 5 mm anterior to the mental foramen

Question 9

how much bone needs to be present on the B and L sides of the implant?

Answer 9

1 mm each, so for a 4 mm diameter implant, the alveolar ridge needs to be 6 mm wide

Question 10

when drilling into the bone, it is important to keep the temperature below _____ otherwise ____

Answer 10

47 degrees C, otherwise bone necrosis can occur

Question 11

what are the three main objectives for implants (esp in mand anterior)?

Answer 11

1. implants at least 5 mm anterior to mental foramen
2. implants are parallel to each other
3. implants are perpendicular to the plane of occlusion