Question 1. Which anatomical structure is most critical to identify and
avoid during implant placement in the posterior mandible?
A) Maxillary sinus
B) Inferior alveolar nerve
C) Nasopalatine canal
D) Zygomatic process
Answer: B
Explanation: The inferior alveolar nerve runs within the mandibular
canal and injury to it can cause permanent numbness or paresthesia,
making its identification crucial.
Question 2. What is the primary function of keratinized mucosa around
dental implants?
A) Aesthetic improvement
,IMPD EImplant Dentistry Exam
B) Increased bone density
C) Enhanced peri-implant tissue health
D) Increased implant stability
Answer: C
Explanation: Adequate keratinized mucosa helps resist mechanical
irritation and bacterial invasion, promoting healthier peri-implant
tissues.
Question 3. Which of the following best describes the process of
osseointegration?
A) Epithelial tissue grows into implant surface
B) Direct functional and structural connection between bone and
implant surface
C) Formation of fibrous tissue capsule around implant
,IMPD EImplant Dentistry Exam
D) Fusion of implant with the gingival tissue
Answer: B
Explanation: Osseointegration is defined as the direct connection
between living bone and the surface of a load-carrying implant.
Question 4. Which bone density classification is most commonly found
in the anterior mandible?
A) D1
B) D2
C) D3
D) D4
Answer: A
Explanation: The anterior mandible typically has dense cortical bone,
classified as D1, which is ideal for implant stability.
, IMPD EImplant Dentistry Exam
Question 5. What is the main advantage of using titanium for dental
implants?
A) High cost
B) Corrosion resistance and biocompatibility
C) Radiolucency
D) Easy to fracture
Answer: B
Explanation: Titanium offers excellent corrosion resistance, mechanical
strength, and is highly biocompatible, making it ideal for implants.
Question 6. Which imaging modality provides the most accurate
assessment of bone volume for implant placement?
A) Periapical radiograph