MCQs on Temporomandibular Joint and Maxillary Sinus - Oral and Maxillofacial Surgery MCQs

NOTE: It has been proved that you will retain more of what you study if you study first and then test yourself immediately. For that, First Watch this Video and Study all the MCQs, and then Test yourself by taking the Quiz below.

# Early movement for surgery following ankylosis is:
A. Unimportant
B. Indicated only when ankylosis is one sided
C. Desirable
D. Harmful

# All of the following are approaches to TMJ EXCEPT:
A. Gillie's temporal approach
B. Alkayat-Bramley periauricular incision
C. Hind's retromandibular approach
D. Endaural approach

# In a patient of 8 years having history of trauma at the age of 5 years, the TMJ gets ankylosed. What should be the treatment?
A. Gap arthroplasty
B. Condyloplasty
C. Condylectomy
D. Gap arthroplasty with temporalis muscle mesniscus placed in joint space

# Pediatric patient planned for costochondral graft for TMJ ankylosis is intubated best by:
A. Topical anesthesia plus sedation
B. Awake fibreoptic intubation
C. Tracheostomy
D. General anesthesia

# Which of the following is not done in treatment of ankylosis?
A. High condylar shave
B. Ipsilateral coronoidectomy
C. Contralateral coronoidectomy
D. Repositioning of temporal fascia

# Following are the normal features of TMJ EXCEPT:
A. Joint sound
B. Deviation of the mouth in opposite while opening the mouth in eccentric movements
C. Pain while opening the mouth
D. None of the above

# Which is not a theory of TMJ ankylosis?
A. Condylar burst theory
B. Calcification around the joint
C. Fracture segment moves backward and fuses with the zygomatic arch
D. Synovial fluid leaks and attracts calcium ions

# In arthroscopy, for TMJ adhesion lysis, the LASER used is:
A. Argon
B. Er-Yag
C. He-Ne
D. Ho-Yag

# The maxillary sinus drains into the:
A. Sphenoethmoidal sinus
B. Superior meatus
C. Middle meatus
D. Inferior meatus

# Over filling may force materials directly into the maxillary sinus most frequently in the case of:
A. Facial root maxillary first premolar
B. Maxillary first premolar
C. Maxillary first molar
D. Maxillary second premolar

# Oroantral fistula most commonly occurs during extraction of:
A. Facial root maxillary first premolar
B. Maxillary first premolar
C. Maxillary first molar
D. Maxillary second premolar

# The adult maxillary air sinus always lies directly above the following teeth:
A. Incisors and canine
B. Premolars
C. Molars
D. Incisors


# Spontaneous closure can be expected in:
A. Chronic oroantral fistula
B. Acute oroantral fistula
C. Both chronic and acute oroantral fistula
D. None of the above

# Obstructive sleep apnoea caused by the following:
A. Dentigerous cyst
B. Bilateral TMJ ankylosis
C. Orbital fracture
D. mandibular ameloblastoma

# Most common cause of clicking:
A. Hypermobility
B. Loose articular bodies
C. Disc displacement without reduction
D. Disc displacement with reduction

# TMJ is a:
A. Fibrous joint
B. Hinge joint
C. Ball and socket joint
D. Diarthroidal and ginglymoidal joint

# The radiographic feature of sinusitis includes:
A. Clouding and fluid level
B. Erosion of bone
C. Clouding of antra
D. Fluid levels

# Initial clicking of TMJ while opening is due to:
A. Lateral displacement of the condyle
B. Retruded condyle in respect to articular disc
C. Protruded condyle inn respect to articular disc
D. perforated disc

# Oroantral fistula in maxillary third molar region is best treated by:
A. Bridge flap
B. Palatal mucoperiosteal flap
C. Buccal mucoperiosteal flap
D. Palatal island flap

# Dautry procedure is used for:
A. None of the above
B. Correction of ankylosis
C. Correction of prognathism
D. Correction of recurrent dislocation of mandible

# The joint which histologically and morphologically best simulate the TMJ is:
A. Sternoclavicular graft
B. 3rd metatarsal graft
C. 5th costochondral graft
D. None of them

# Hydrocortisone acetate is injected in a painful arthritic TMJ to:
A. decrease the inflammatory response
B. lubricate the synovial joint
C. anesthetize the nerve supply
D. increase the blood supply

# When a patient's chin and mandible deviate to the right upon opening, which of the following is a possible cause?
A. Ankylosis of the left condyle
B. Hypoplasia of the right condyle
C. Fracture of the left condyle
D. Hyperplasia of the right condyle

# The most frequent direction in which the articular disc gets displaced is:
A. Posterior and medial direction
B. Posterior and lateral direction
C. Anterior and medial direction
D. Anterior and lateral direction

# A nasal antrostomy following Caldwell Luc procedure is created:
A. Above the superior turbinate
B. Beneath the superior turbinate
C. Beneath the inferior turbinate
D. Above the inferior turbinate

# Nasal antrostomy is usually done through:
A. Middle concha
B. Inferior meatus
C. Middle meatus
D. Inferior concha

# Entrance into the sinus in a Caldwell procedure is made through the:
A. Malar eminence
B. Canine fossa
C. Tuberosity
D. Zygomatic ridge

# During extraction of a maxillary molar, a root tip is left in the maxillary sinus. The treatment of choice is:
A. Perform Caldwell-Luc to remove the tip
B. Perform hemimaxillectomy
C. Enlarge opening in the socket area
D. No treatment indicated

# The joint cavity can be examined in detail without much surgical exposure by:
A. Sialography
B. Arthroscopy
C. Biopsy
D. Endoscopy

# The most common dislocation of TMJ is:
A. Anterior
B. Medial
C. Posterior
D. Lateral

# For a 8 year old with TMJ ankylosis, the treatment of choice is:
A. Gap arthroplasty
B. Condylectomy
C. Gap arthroplasty with costochondral grafting
D. Treatment not required

# Unilateral TMJ ankylosis is associated with the following features, EXCEPT:
A. Multiple carious teeth
B. Facial asymmetry with fullness on the normal side of the mandible
C. Chin deviated towards the affected side
D. Prominent antegonial notch on the affected side


# Nerve that may be injured in submandibular incision:
A. Marginal mandibular branch of the facial nerve
B. Hypoglossal nerve
C. Mylohyoid nerve
D. Lingual nerve

# Eminectomy is done for treatment of:
A. TMJ ankylosis
B. TMJ dislocation
C. Coronoid fracture
D. All of the above

# Trismus is due to inflammation of:
A. Medial pterygoid
B. Facial nerve irritation
C. Superior constrictor
D. Buccinator

# Dislocation is treated by forcing the mandible:
A. Upwards and backward
B. Upwards and forwards
C. Downward and forward
D. Downward and backward

# The Alkayat and Bramley approach to the TMJ is a modification of the:
A. Hemicoronal approach
B. Retroauricular approach
C. Preauricular approach
D. Risdon's approach

# Berger flap procedure is used for:
A. TMJ ankylosis
B. TMJ dislocation
C. Oro-antral communication
D. Pericoronitis

# All are features of TMJ dislocation EXCEPT:
A. Anterior displacement of condyles
B. Anterior open bite
C. Can be reduced by applying pressure on the mandible in downward and backward direction
D. Deafness

# Which of the following symptoms are related to maxillary sinusitis?
A. Tenderness over the involved area
B. Post nasal drip
C. Change in phonation
D. All of the above

# In dislocation of the jaw, displacement of the articular disc beyond the articular tubercle of the TMJ results from spasm or excessive contraction of the following muscle?
A. Buccinator
B. Lateral Pterygoid
C. Masseter
D. Temporalis

# Which surgical procedure is carried out to treat TMJ bony ankylosis?
A. Arthroplasty
B. Condylectomy
C. Discoplasty
D. Capsulorrhapy

# Repeated dislocation of the condyle can be treated by intentional fracture of the zygomatic arch and reunion. This procedure is called as:
A. Stobie's method
B. Denkel's method
C. Dautrey procedure
D. Weber's procedure

# Frequent dislocation of TMJ is due to:
A. Spasm of muscles of mastication
B. The articular eminence being smaller
C. Decreased freeway space
D. All of the above

# Commonest cause of TMJ ankylosis is:
A. Trauma
B. Development disturbances
C. Infections
D. Atrophy