Dental Implants Complications & Maintenance

Question 1

Peri-implant mucositis is best described as:

Accepted Answer

Reversible inflammation limited to the soft tissue around an implant without bone loss

Answer

Irreversible bone loss around an implant

Answer

Complete implant failure

Answer

Infection of the surgical site only

Question 2

Peri-implantitis is distinguished from peri-implant mucositis by the presence of:

Accepted Answer

Progressive marginal bone loss with inflammation

Answer

Only soft tissue inflammation

Answer

Suppuration only without bone changes

Answer

Pain as the primary symptom

Question 3

The first-line treatment for peri-implant mucositis is:

Accepted Answer

Professional debridement combined with patient oral hygiene instruction

Answer

Implant removal

Answer

Systemic antibiotics alone

Answer

Surgical bone regeneration

Question 4

A screw loosening complication with an implant crown is most commonly caused by:

Accepted Answer

Insufficient torque or occlusal overload generating bending moments

Answer

Using titanium abutment screws

Answer

Poor oral hygiene around the implant

Answer

Implant placed too deep in bone

Question 5

Nerve injury (paresthesia) after mandibular implant placement is most often associated with:

Accepted Answer

Implant placement too close to or into the inferior alveolar nerve canal

Answer

Excessive irrigation during drilling

Answer

Using too large a diameter implant

Answer

Placing the implant too shallow

Question 6

Antibiotic prophylaxis before dental implant surgery is commonly recommended for:

Accepted Answer

Systemically compromised patients and per surgeon protocol, typically amoxicillin 2g one hour before

Answer

All patients regardless of health status

Answer

Only patients with cardiac conditions

Answer

No patients — antibiotics cause implant failure