5. Intraoral vertical ramus osteotomy was
first described by:
1. Wassamund's in 1935 proposed: A. David Gilmore 1972
A. Posterior maxillary osteotomy✅ B. Winstanley 1968 ✅
B. Anterior maxillary osteotomy C. Richard Wright 1970
C. Modified intraoral sagittal split D. Nick Mason 1965
osteotomy
6. Horse-shoe shaped osteotomy is a
D. Proposed surgery for open bite modification of:
2. V-Y closure of mucosa in orthognathic A. Sagittal split osteotomy
surgery helps to maintain:
B. Vertical ramus osteotomy
A. The alar width
C. Lefort-I osteotomy ✅
B. Lip length ✅
D. Mandibular body osteotomy
C. Both A and B
7. All of the following are indications for
D. None of the above extra-oral subsigmoid vertical ramus
osteotomy except:
3. Sagittal split osteotomy is done in:
A. Major setback of the mandible > 10 mm
A. Mandible ✅
B. Asymmetric setback of the mandible
B. Maxilla
C. Reoperation of the previously operated
C. Mid face
case
D. Impacted teeth
D. Minor symmetrical decrease in the
4. Caldwell-Letterman osteotomy is a: height of the mandible ✅
A. Subcondylar vertical osteotomy ✅
B. Intraoral vertical ramus osteotomy
C. Modified sagittal split osteotomy
D. Segmental maxillary osteotomy
1
,8. 'BERHMAN'S BUMP' is a: 12. Apertognathia is another name for:
A. Bony prominence corresponding to the A. Deep bite
side of lingula and mandibular foramen in
the mandibular ramus ✅ B. Cross bite
B. A square form of chin seen in mandibular C. Open bite ✅
excess D. Cheek bite
C. Excessive zygomatic bone prominence in 13. Horizontal osteotomy in the rami was
facial hemi- hypertrophy proposed by:
D. Prominence of bone below the genial A. Blair 1907
tubercles on the lingual aspect of the
mandible B. Obwegeser 1958
9. Subsigmoid oblique subcondylar C. Hensel 1937
osteotomy is a variation of:
D. Moose 1945
A. Sagittal split osteotomy
14. After performing a Z osteotomy for
B. Subcondylar vertical osteotomy ✅ retrognathia, the jaws must be
immobilised for:
C. Intraoral vertical ramus osteotomy D.
Inverted Losteotomy A. 2 weeks
10. Subsigmoid oblique subcondylar B. 3 weeks
osteotomy was advocated by:
C. 4 weeks
A. Robionson and Hinds in 1955 ✅
D. 6 weeks ✅
B. Jim Morrison in 1964
15. V-shaped ostectomy of the mandible is
C. Anderson and McCarthy in 1970 commonly used for the treatment of:
D. Michellin et al in 1968 A. Mandibular excess
11. All of the following are modifications of B. Apertognathia ✅
sagittal split ramus osteotomy except:
C. Maxillary excess
A. Dalpont modification
D. Posterior open bite
B. Hunsuck modification
C. Bell, Schendel and Epker modification
D. Davidson modification ✅
2
, 16. Inverted L osteotomy was described 19. Posterior subapical mandibular
by: osteotomy procedure can be used for all of
the following except:
A. Pichler and Trauner ✅
A. Uprighting the posterior mandibular
B. Obwegeser and Turner dentoalveolar segment which is in extreme
C. Williams and Smith linguoversion or buccoversion
D. Al-Kayat and Bramley B. Closing a premolar or molar space
17. Wassamund's procedure or technique C. Levelling supraerupted posterior teeth
pertains to: D. Reducing the length of the mandible in
A. Labial approach for anterior maxillary the posterior region ✅
osteotomy ✅ 20. First anterior maxillary setback was
B. Palatal approach for anterior maxillary performed by:
osteotomy A. Wunderer
C. Intraoral approach for posterior maxillary
B. Cohn Stock✅
osteotomy
C. Thoma
D. Extraoral approach for posterior
maxillary osteotomy D. Lanz
18. Irby's incision in orthognathic surgery 21. For a posterior maxillary osteotomy,
is: bone must be cut at least:
A. Post-ramal incision of the mandible✅ A. 2 mm above the apices of the maxillary
posterior teeth
B. Labial sulcular incision of anterior
mandible B. 3 mm above the apices of the maxillary
posterior teeth
C. Incision for exposing the zygomatic
process of maxilla intraorally C. 4 mm above the apices of the maxillary
posterior teeth
D. Extraoral incision for genioplasty
D. 5 mm above the apices of the maxillary
posterior teeth ✅
3
first described by:
1. Wassamund's in 1935 proposed: A. David Gilmore 1972
A. Posterior maxillary osteotomy✅ B. Winstanley 1968 ✅
B. Anterior maxillary osteotomy C. Richard Wright 1970
C. Modified intraoral sagittal split D. Nick Mason 1965
osteotomy
6. Horse-shoe shaped osteotomy is a
D. Proposed surgery for open bite modification of:
2. V-Y closure of mucosa in orthognathic A. Sagittal split osteotomy
surgery helps to maintain:
B. Vertical ramus osteotomy
A. The alar width
C. Lefort-I osteotomy ✅
B. Lip length ✅
D. Mandibular body osteotomy
C. Both A and B
7. All of the following are indications for
D. None of the above extra-oral subsigmoid vertical ramus
osteotomy except:
3. Sagittal split osteotomy is done in:
A. Major setback of the mandible > 10 mm
A. Mandible ✅
B. Asymmetric setback of the mandible
B. Maxilla
C. Reoperation of the previously operated
C. Mid face
case
D. Impacted teeth
D. Minor symmetrical decrease in the
4. Caldwell-Letterman osteotomy is a: height of the mandible ✅
A. Subcondylar vertical osteotomy ✅
B. Intraoral vertical ramus osteotomy
C. Modified sagittal split osteotomy
D. Segmental maxillary osteotomy
1
,8. 'BERHMAN'S BUMP' is a: 12. Apertognathia is another name for:
A. Bony prominence corresponding to the A. Deep bite
side of lingula and mandibular foramen in
the mandibular ramus ✅ B. Cross bite
B. A square form of chin seen in mandibular C. Open bite ✅
excess D. Cheek bite
C. Excessive zygomatic bone prominence in 13. Horizontal osteotomy in the rami was
facial hemi- hypertrophy proposed by:
D. Prominence of bone below the genial A. Blair 1907
tubercles on the lingual aspect of the
mandible B. Obwegeser 1958
9. Subsigmoid oblique subcondylar C. Hensel 1937
osteotomy is a variation of:
D. Moose 1945
A. Sagittal split osteotomy
14. After performing a Z osteotomy for
B. Subcondylar vertical osteotomy ✅ retrognathia, the jaws must be
immobilised for:
C. Intraoral vertical ramus osteotomy D.
Inverted Losteotomy A. 2 weeks
10. Subsigmoid oblique subcondylar B. 3 weeks
osteotomy was advocated by:
C. 4 weeks
A. Robionson and Hinds in 1955 ✅
D. 6 weeks ✅
B. Jim Morrison in 1964
15. V-shaped ostectomy of the mandible is
C. Anderson and McCarthy in 1970 commonly used for the treatment of:
D. Michellin et al in 1968 A. Mandibular excess
11. All of the following are modifications of B. Apertognathia ✅
sagittal split ramus osteotomy except:
C. Maxillary excess
A. Dalpont modification
D. Posterior open bite
B. Hunsuck modification
C. Bell, Schendel and Epker modification
D. Davidson modification ✅
2
, 16. Inverted L osteotomy was described 19. Posterior subapical mandibular
by: osteotomy procedure can be used for all of
the following except:
A. Pichler and Trauner ✅
A. Uprighting the posterior mandibular
B. Obwegeser and Turner dentoalveolar segment which is in extreme
C. Williams and Smith linguoversion or buccoversion
D. Al-Kayat and Bramley B. Closing a premolar or molar space
17. Wassamund's procedure or technique C. Levelling supraerupted posterior teeth
pertains to: D. Reducing the length of the mandible in
A. Labial approach for anterior maxillary the posterior region ✅
osteotomy ✅ 20. First anterior maxillary setback was
B. Palatal approach for anterior maxillary performed by:
osteotomy A. Wunderer
C. Intraoral approach for posterior maxillary
B. Cohn Stock✅
osteotomy
C. Thoma
D. Extraoral approach for posterior
maxillary osteotomy D. Lanz
18. Irby's incision in orthognathic surgery 21. For a posterior maxillary osteotomy,
is: bone must be cut at least:
A. Post-ramal incision of the mandible✅ A. 2 mm above the apices of the maxillary
posterior teeth
B. Labial sulcular incision of anterior
mandible B. 3 mm above the apices of the maxillary
posterior teeth
C. Incision for exposing the zygomatic
process of maxilla intraorally C. 4 mm above the apices of the maxillary
posterior teeth
D. Extraoral incision for genioplasty
D. 5 mm above the apices of the maxillary
posterior teeth ✅
3
