TDA Online Continuing Dental Education

Exam for A Review of Implant Abutments - Abutment Classification to Aid Prosthetic Selection - Exam 50

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Description: With an increase in the availability of implant restorative components, the selection of an appropriate implant abutment for a given clinical situation has become more challenging. This article describes a classification system that will help the practitioner understand the different implant abutments available and therefore be able to understand the selection of abutments for single and multiple unit fixed implant prosthesis.

1. When considering custom abutments, which of the following is TRUE:

a. They require an impression of the implant platform
b. They require an impression of the abutment
c. They are used in situations where the prosthetic corrections cannot be made by prefabricated abutments
d. Both a and c are true

2. Custom abutments can correct which of the following:

a. Insufficient interocclusal restorative space
b. Angle correction problems greater than 15°
c. Need to replicate the original cross sectional profile of the tooth
d. To obtain the correct emergence profile as it exits the implant platform
e. All statements are true

3. Which of the following is NOT a temporary abutment:

a. Impression abutments
b. Healing abutments
c. Standard Stock abutments
d. Metal or plastic provisional abutments

4. When considering transfer copings, which of the following are FALSE:

a. Less space is needed for the impression and it is suitable for posterior areas
b. No preparation of the tray is necessary
c. Splinting of the copings is possible
d. Possible distortion, as the coping have to be reinserted into the impression

5. When considering 3i CAD/CAM BellaTek® Encode® abutments which of the following designs does it incorporate:

a. Scan Bodies
b. Prepable, Scanned abutments
c. Virtually assisted design
d. Robotic Analog design