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Table 5 Postoperative change in facial width (mm) after IVRO according to the proximal segment ostectomy level

From: Changes in facial width according to the ostectomy level of the proximal bone segment in intraoral vertical ramus osteotomy for mandibular prognathism

 

Superior ostectomy group (n=22)

Inferior ostectomy group (n=10)

P-value

B Width MnF-C/Mn F-H

5.8±4.5

4.5±5.6

0.507

B Width MnF-C/Alv-H

0.9±3.5

1.9±4.7

0.529

ST Width condyle-C/Sig N-H

1.6±3.7

2.9±3.4

0.341

ST Width condyle-C/Mn F-H

3.4±6.1

5.3±4.8

0.405

ST Width condyle-C/Alv-H

0.1±7.1

5.3±8.5

0.079

ST Width MnF-C/Sig N-H

2.0±3.5

3.8±3.8

0.195

ST Width MnF-C/Mn F-H

2.8±4.3

6.3±7.3

0.099

ST Width MnF-C/Alv-H

0.6±5.9

4.6±7.8

0.123

ST Width coronoid C/Sig N-H

2.8±3.0

2.5±4.3

0.824

ST Width coronoid C/Mn F-H

3.2±3.5

5.3±5.5

0.204

ST Width coronoid C/Alv-H

1.6±4.2

5.6±7.1

0.053

  1. Superior ostectomy group: patient group with proximal segment ostectomy on mandibular tooth surface level
  2. Inferior ostectomy group: patient group with proximal segment ostectomy on mandibular inferior border level