Dentistry

Question 1

What Facial planes of the head and neck are of clinical importance?

Answer 1

- Deep cervical fascia
	o Superficial and investing layer
	o Pretracheal layer
	o Prevertebral layer
	o Carotid layer
- Lateral pharyngeal (parapharyngeal) space
	o Lateral to the pharynx
	o Medial to the masticator space
- Retropharyngeal space
	o Between the deep cervical and prevertebral fascia
- Prevertebral space
	o Posterior to retropharyngeal space
- Pharyngomaxillary space
- Danger space

Question 2

What antibiotics are appropriate for dental infections?

Answer 2

• Pen VK 250-500mg QID
• Erythromycin
• Clindamycin 300mg TID

Question 3

Provide a differential for oral pain.

Answer 3

• Dental caries
• Periodontal disease
• Root canal pain
• Cracked tooth syndrome
• Split root syndrome
• Maxillary sinusitis
• Atypical odontalgia
• Post extraction pain
• Neuropathic paroxysmal pain (trigeminal neuralgia)
• Temporomandibular myofacial pain dysfunction syndrome
• Periconitis

Question 4

List 3 sinister conditions must be considered in a patient with trigeminal neuralgia:

Answer 4

• MS
• Cerebellopontine angle tumours
• Acoustic neuroma
  Nasopharyngeal carcinoma