Implant Components & Impression Techniques in Implant Dentistry

Question 1

impression coping for ____ tray impression techniques require the impression coping to be taller than the adj teeth

Answer 1

open tray impression technique

Question 2

impression coping for ____ tray impression techniques require the impression coping to be shorter or equal height to the adj teeth

Answer 2

closed tray impression technqiue

Question 3

Which dimension matters more with the implant analog?

Answer 3

diameter

the length does not matter

Question 4

_____ ___
• Can be metal or peek/acrylic material.
• Should always be used for anterior teeth.
• When multiple posterior teeth are being restored may be used to
reestablish posterior support and vertical dimension before
proceeding to final restorations.

Answer 4

temp abutment

Question 5

What is Needed when there aren’t enough teeth to stabilize casts during articulator mounting (multiple teeth missing, no posterior stops).

Answer 5

bite registration aid

Question 6

What type of implant final abutment?
• Used to fabricate screw-retained gold & PFM implant crowns or custom abutments for cement retained gold and PFM crowns when implant position is not ideal.
• Made of gold alloy.
• Expensive.
• Because it is heated many times in an oven for casting, the connection can get distorted and create a discrepancy.

Answer 6

custom castable abutment (gold abut. or UCLA abut.)

Question 7

What type of implant final abutment?
• Most used option is the titanium base (Ti-base)
which is used to fabricate screw-retained all-
ceramic implant crowns or custom abutments
for cement retained all-ceramic implant crowns
(Zirconia & Lithium disilicate).
• Made of titanium.
• Cheaper.
• Many different options, which sometimes can be
overwhelming.
• Has the advantage of never being heated in an
oven, avoids distortions.

Answer 7

prefabricated

Question 8

______ ______: are available for screw-retained implant prosthesis for when the implant position is not ideal, allowing for up to 25° implant angle correction. If the angle correction needed is above 25°, a custom abutment and cement retained restoration will be necessary.
• Specifically made drivers are necessary
for angled Ti-bases.

Answer 8

Angled Ti-bases

Question 9

What is the max angulation that can be used with angled ti-bases?

Answer 9

25 degrees

Question 10

What type of implant final abutment?
• Expensive. • Custom made by manufacturer for that specific implant. • Never goes in the oven. • Final restoration is either cemented or screw-retained.

Answer 10

Custom CAD/CAM abutment

Question 11

What level of implant impression is used here? 
• Open tray (implant and teeth are not
necessarily parallel) 
• Closed tray (implant and teeth are
close to parallel)

Answer 11

Implant Level Impression

Question 12

What level of implant impression is used here?

Impression of prepared abutment
either custom or prefabricated abutment

Answer 12

abutment level impression

Question 13

t/f: when doing the open and closed tray technique, it is important to take a radiograph to insure full seating of the impression coping.

Answer 13

true

Question 14

t/f: for the open tray impression it is necessary to remove the screw before removing the impression tray.

Answer 14

true

Question 15

_____ retained implants use an implant level impression.

opened or closed tray technique

Answer 15

screw retained

Question 16

_______ retained implants use an abutment level impression

Answer 16

cement retained.

Question 17

t/f: when taking an abutment level impression, an impression cap is used, and the process is the same as the conventional single crowns.

Answer 17

true

Question 18

what level of impression uses the following steps
Step 1: Remove the healing cap, if one is present.
Step 2: Snap the impression cap on the implant abutment.
Step 3: Syringe light body material around the base of the impression cap, onto the soft tissue.
Step 4: Final impression with heavy body.

Answer 18

the abutment level impressions