Dental Implants Implant Anatomy & Components 3

Question 1

The macro-design feature of implant threads primarily serves to:

Accepted Answer

Increase initial stability and distribute occlusal load

Answer

Improve esthetics

Answer

Reduce surgical time

Answer

Prevent infection

Question 2

What distinguishes a one-piece implant from a two-piece implant system?

Accepted Answer

The abutment is integrated into the fixture with no separate component

Answer

Material composition

Answer

Number of threads on the body

Answer

Diameter of the implant

Question 3

Which implant diameter is typically classified as a 'narrow diameter implant' (NDI)?

Accepted Answer

Less than 3.5 mm

Answer

3.5–4.5 mm

Answer

4.5–5.5 mm

Answer

Greater than 5.5 mm

Question 4

The implant collar (also called the neck) refers to:

Accepted Answer

The coronal smooth portion just below the platform

Answer

The apical tip of the implant

Answer

The threaded middle section

Answer

The internal connection socket

Question 5

What is the purpose of micro-threads in the coronal portion of some implant designs?

Accepted Answer

Preserve crestal bone by transferring functional stress

Answer

Increase apical stability

Answer

Improve osseointegration at the apex

Answer

Reduce insertion torque

Question 6

A cemented crown on an implant compared to a screw-retained crown has which notable disadvantage?

Accepted Answer

Difficulty retrieving excess cement that can cause peri-implantitis

Answer

Lower esthetic outcome

Answer

Higher fracture risk of the crown

Answer

Cannot be used in the posterior region