MDS PREP
The elevator can be used to advantage when
1) The tooth to be extracted is isolated
2) The interdental bone is used as a fulcrum
3) The adjacent tooth is not to be extracted
4) Multiple adjacent teeth are to be extracted
Oral Surgery
Answer: 4
A displaced, unfavourable fracture in the mandibular angle region is a potentially difficult fracture to treat because of
1) Injury to neurovascular bundle
2) Malocclusion secondary to injury
3) Disctraction of fracture segments by muscle pull
4) None of the above
Oral Surgery
Answer: 3
A displaced, unfavorable fracture in the mandibular angle region is difficult to treat due to distraction of fracture segments by muscle pull.