FREE DMD Oral and Maxillofacial Surgery Questions and Answers

Question 1

A trauma patient presents with mobility of the entire midface, including the zygomatic complex, resulting in a 'dish-face' deformity and craniofacial dysjunction.
When the maxilla is grasped, the entire facial skeleton moves.
This clinical presentation corresponds to which Le Fort fracture classification?

Accepted Answer

Le Fort III

Answer

Le Fort I

Answer

Le Fort II

Answer

Zygomaticomaxillary Complex (ZMC) Fracture

Question 2

A 25-year-old female presents with a chief complaint of a 'long face' and inability to close her lips together without straining. Clinical examination reveals excessive gingival display upon smiling, a steep mandibular plane angle, and an anterior open bite. Which surgical procedure is most indicated to correct this vertical maxillary excess?

Accepted Answer

Le Fort I Osteotomy with impaction

Answer

Bilateral Sagittal Split Osteotomy (BSSO)

Answer

Genioplasty

Answer

Mandibular subapical osteotomy

Question 3

During the extraction of a maxillary first molar, a 2mm oroantral communication (OAC) is created. The patient is healthy with no history of sinus disease. Which of the following is the most appropriate immediate management?

Accepted Answer

Advise sinus precautions and allow for spontaneous closure.

Answer

Proceed immediately with a buccal advancement flap closure.

Answer

Pack the socket with iodoform gauze.

Answer

Prescribe broad-spectrum antibiotics and nasal decongestants only.

Question 4

A 30-year-old patient reports a history of painful clicking in the right temporomandibular joint. Today, she presents with an inability to open her mouth more than 25 mm, and the mandible deviates to the right upon opening. The painful click is no longer present. This clinical presentation is most characteristic of which condition?

Accepted Answer

Disc displacement without reduction

Answer

Disc displacement with reduction

Answer

Myofascial pain and dysfunction

Answer

Capsulitis

Question 5

Which of the following is the most critical factor for achieving successful primary osseointegration of a dental implant?

Accepted Answer

The primary stability of the implant at the time of insertion.

Answer

The use of a bone graft at the time of placement.

Answer

The use of a healing abutment to shape the soft tissue.

Answer

Immediate loading of the implant with a provisional crown.

Question 6

A 65-year-old male patient with well-controlled type 2 diabetes and hypertension is scheduled for multiple extractions under IV sedation. He takes metformin and lisinopril daily and has no other systemic symptoms or functional limitations. According to the American Society of Anesthesiologists (ASA) Physical Status Classification System, how would this patient be classified?

Accepted Answer

ASA II

Answer

ASA I

Answer

ASA III

Answer

ASA IV