Dental Implants Patient Assessment & Treatment Planning 3

Question 1

Which bone classification (Lekholm & Zarb) describes dense cortical bone with little trabecular bone, typically found in the anterior mandible?

Accepted Answer

Type I

Answer

Type II

Answer

Type III

Answer

Type IV

Question 2

A patient with bruxism seeking dental implants should be informed that:

Accepted Answer

A night guard is recommended to protect implants from parafunctional forces

Answer

Implants are contraindicated in bruxers

Answer

Bruxism actually improves osseointegration through stimulation

Answer

Implant crowns cannot be used — only removable options

Question 3

When evaluating a patient for full-arch implant-supported fixed prosthesis (All-on-4), what is the minimum number of implants typically placed per arch?

Accepted Answer

4

Answer

2

Answer

6

Answer

8

Question 4

Pre-implant orthodontic treatment may be needed to:

Accepted Answer

Create adequate mesiodistal space and align adjacent roots

Answer

Increase bone density

Answer

Speed up osseointegration post-surgery

Answer

Eliminate the need for bone grafting

Question 5

The 'comfort zone' for implant placement in relation to the maxillary sinus floor is best described as:

Accepted Answer

At least 1–2 mm of bone must remain between the implant apex and the sinus floor

Answer

Implants must not enter the sinus at all

Answer

Implants can safely penetrate up to 4 mm into the sinus

Answer

Sinus proximity has no clinical significance

Question 6

Which factor most significantly affects long-term implant success in the esthetic zone?

Accepted Answer

Preservation of inter-proximal papillae and labial bone

Answer

Implant diameter

Answer

Crown material selection

Answer

Abutment torque value