Maxillofacial trauma

Middle 3rd of the face and paranasal sinuses are best demonstrated in what radiographic view?

• panoramic view

• waters projection

• lateral view

• townes projection

In Lefort-I fracture, platting is done in

• supra-orbital rim and fronto zygomatic buttress

• nasomaxillary buttress and zygomatic maxillary buttress

• pterygomaxillary buttress and inferior border of mandible

• all of the above

Most frequently fractured region of the mandible is?

• condyle

• angle

• parasymphysis

• coronoid

Zygoma fractures may be characterized by: (select all that apply)

• diplopia on upward gaze

• hypesthesia on the cheek

• palpable step deformity

• periorbital ecchymosis

Low transverse fracture of the maxilla involving the palate only and is characterized by mobility of the maxillary dental arch and palate

• LeFort I

• LeFort II

• LeFort III

• LeFort IV

Fracture en bloc of the palate and middle third of the face including the nose. Usually dental malocclusion with some retrodisplacement of the palate is present

• LeFort I

• LeFort II

• LeFort III

• LeFort IV

Gurien's sign

• palatal ecchymosis

• sub-conjunctival haemorrhage

• mastoid ecchymosis

• sub-lingual ecchymosis

Battles's sign

• palatal ecchymosis

• sub-conjunctival ecchymosis

• mastoid ecchymosis

• sub-lingual ecchymosis

Left-III fracture is also called

• floating maxilla

• contercoup fracture

• pyramidal fracture

• craniofacial dysjunction

Vertical buttress of face

• 4

• 5

• 6

• 2