Extraction Complications 1

Question 1

why might you have difficult access during an extraction?

Answer 1

• trismus patient
• crowded teeth
• malpositioned teeth

Question 2

You are extracting a patients tooth and are met with abnormal resistance, what things may cause this?

Answer 2

• thick cortical bone
• shape/form of roots
• number of roots
• hypercementosis
• ankylosis

Question 3

what is ankylosis?

Answer 3

tooth has NO PDL, tooth directly bonded to bone

Question 4

If there is to be an alveolar bone fracture during extraction of a tooth, what usually fractures?

Answer 4

Buccal plate when extracting canines or molars

Question 5

If there is to be a jaw bone fracture during extraction of a tooth, what usually fractures?

Answer 5

Mandible
- usually caused by impacted wisdom tooth

Question 6

What should you do if a patients jaw fractures during extraction?

Answer 6

• inform patient
• post op radiograph
• refer to max fax unit
• ensure analgesia
• if delay for any reason give antibiotic

Question 7

How can involvement of the maxillary antrum during extraction be diagnosed?

Answer 7

• size of tooth
• radiographic position of roots in relation to antrum
• bubbling of blood
• Valsalva manoeuvre

Question 8

How would you manage involvement of the maxillary antrum during extraction?

Answer 8

• inform patient
• encourage clot
• suture margins
• antibiotic
• post op instruction
• nose blowing instructions

Question 9

If a tuberosity fracture occurs during tooth extraction, what should be done to manage this?

Answer 9

• dissect out and close wound or reduce and stabilise