CIT CIT Prosthetic Components & Restoration

Question 1

What is the primary function of an abutment in implant prosthetics?

Accepted Answer

To connect the implant fixture to the prosthetic crown

Answer

To anchor the implant to the bone

Answer

To provide occlusal support directly to opposing teeth

Answer

To seal the implant from bacterial ingress

Question 2

Which type of prosthetic restoration is supported by implants yet can be removed by the patient for cleaning?

Accepted Answer

Implant-supported overdenture

Answer

Fixed implant bridge

Answer

Screw-retained crown

Answer

Cement-retained crown

Question 3

What is the anatomical space called that forms between the implant abutment and the surrounding soft tissue, similar to a gingival sulcus?

Accepted Answer

Peri-implant sulcus

Answer

Biologic width zone

Answer

Crestal gap space

Answer

Sulcular depth channel

Question 4

Which retention method for implant crowns uses a screw passing through the restoration to secure it directly to the abutment?

Accepted Answer

Screw-retained

Answer

Cement-retained

Answer

Friction-retained

Answer

Snap-on retained

Question 5

What is the recommended torque range for tightening most implant abutment screws according to manufacturer guidelines?

Accepted Answer

25–35 Ncm

Answer

5–10 Ncm

Answer

15–20 Ncm

Answer

40–50 Ncm

Question 6

What material is typically used to seal the screw access hole in a screw-retained implant crown after final placement?

Accepted Answer

Composite resin or PTFE tape

Answer

Zinc oxide eugenol paste

Answer

Gingival former silicone

Answer

Glass ionomer cement