ABP Implant Dentistry 2

Question 1

Which implant surface modification technique uses high-energy particle bombardment to create micro-roughness and improve osseointegration?

Accepted Answer

Sandblasting with large-grit aluminum oxide

Answer

Acid etching

Answer

Anodization

Answer

Hydroxyapatite coating

Question 2

A patient presents with peri-implantitis showing 6 mm probing depths and radiographic bone loss of 3 mm. According to current AAP/EFP classification, this represents which stage?

Accepted Answer

Moderate peri-implantitis

Answer

Initial peri-implantitis

Answer

Severe peri-implantitis

Answer

Advanced peri-implantitis

Question 3

The critical threshold for keratinized tissue width around dental implants that is associated with reduced peri-implant inflammation is:

Accepted Answer

≥2 mm

Answer

≥1 mm

Answer

≥3 mm

Answer

≥4 mm

Question 4

Which of the following best describes platform switching in implant dentistry?

Accepted Answer

Using a smaller diameter abutment than the implant platform diameter

Answer

Placing the implant platform at the bone crest level

Answer

Switching from a machined to a rough-surface implant neck

Answer

Using a wider abutment than the implant platform

Question 5

Immediate loading of dental implants requires a minimum insertion torque of:

Accepted Answer

35 Ncm

Answer

15 Ncm

Answer

25 Ncm

Answer

45 Ncm

Question 6

Which bone graft material provides both osteoconductive scaffolding and osteoinductive growth factors without requiring a donor site?

Accepted Answer

Allograft (DFDBA)

Answer

Autograft

Answer

Xenograft (Bio-Oss)

Answer

Alloplast (β-TCP)

Question 7

The Implant Stability Quotient (ISQ) measured by resonance frequency analysis reflects:

Accepted Answer

The stiffness of the implant-bone interface

Answer

Implant surface roughness at the bone interface

Answer

Bone density at the implant apex

Answer

Peri-implant soft tissue thickness