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Head 7.1
Grant’s
Skull, Anterior View
6
54
3
2
1
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Skull, Anterior View1. superciliary arch2. nasal bone3. zygomatic bone4. maxilla5. infraorbital foramen6. intermaxillary suture
© 2008 Lippincott Williams & Wilkins
A blow to the superciliary arch may cause a laceration and ablack eye.
Malar flush refers to the redness of the skin over the zygo-matic prominence. It is associated with fever.
The three common maxillary fractures as described by Le Fortare numbered I, II, and III.
I
II III
COA
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Grant’s
Head 7.30
Temporomandibular Joint
32
1
4
5
6
7
8
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© 2008 Lippincott Williams & Wilkins
The temporomandibular joint dislocates during excessive open-ing of the jaw or as a result of trauma. Most dislocations occuranteriorly because of the pull of the lateral pterygoid and thestrength of the lateral ligament and postglenoid tubercle.
The temporomandibular joint may become arthritic, leading toproblems with dental occlusion and joint clicking (crepitus).
Temporomandibular Joint1. capsule of temporomandibular joint2. articular tubercle3. lateral pterygoid muscle4. auriculotemporal nerve5. superficial temporal artery6. sphenomandibular ligament7. medial pterygoid8. buccinator
COA
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Grant’s
Head 7.35
Hard Palate
4
6
5
3
2
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© 2008 Lippincott Williams & Wilkins
The nasopalatine nerves can be blocked bilaterally by injec-tion into the incisive fossa. The greater palatine nerve can beblocked by injection into the greater palatine foramen.
Cleft palate occurs when the lateral palatine processes fail tofuse with each other and/or the nasal septum. It is often asso-ciated with a cleft lip.
Hard Palate1. incisive fossa2. palatine process of the maxilla3. intermaxillary suture4. greater and lesser palatine foramen5. horizontal plate of the palatine bone6. vomer
COA
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