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Dennis Rohner

Aarau, Switzerland

Clinical case description:

›› Skeletal prognathism with malocclusion.

›› Maxillary advancement with risk of insufficient bony union and relapse of the advanced Segment.

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<p>1) Facial profile showing prognathism. 2) Clinical picture showing the class III malocclusion.</p>

1) Facial profile showing prognathism. 2) Clinical picture showing the class III malocclusion.

<p>3) Advanced and stabilized maxillary osteotomy using bilateral 2.0 locking plates. 4) Geistlich Bio-Oss<sup>®</sup> Collagen 500 mg is placed in the osteotomy gap and is moulded to the desired form during surgery.</p>

3) Advanced and stabilized maxillary osteotomy using bilateral 2.0 locking plates. 4) Geistlich Bio-Oss® Collagen 500 mg is placed in the osteotomy gap and is moulded to the desired form during surgery.

<p>5) Intraoperative view of maxillary gap at 6 months before removal of osteosynthesis material. Complete bone formation at the grafted site was achieved. 6) CBCT scans showing complete bony union at the grafted site.</p>

5) Intraoperative view of maxillary gap at 6 months before removal of osteosynthesis material. Complete bone formation at the grafted site was achieved. 6) CBCT scans showing complete bony union at the grafted site.

<p>7) Clinical picture showing final occlusion at the end of treatment. 8) Esthetic facial profile at the final visit.</p>

7) Clinical picture showing final occlusion at the end of treatment. 8) Esthetic facial profile at the final visit.

Pre-surgery


							<p>1) Facial profile showing prognathism. 2) Clinical picture showing the class III malocclusion.</p>

Surgery


							<p>3) Advanced and stabilized maxillary osteotomy using bilateral 2.0 locking plates. 4) Geistlich Bio-Oss<sup>®</sup> Collagen 500 mg is placed in the osteotomy gap and is moulded to the desired form during surgery.</p>

Outcome


							<p>5) Intraoperative view of maxillary gap at 6 months before removal of osteosynthesis material. Complete bone formation at the grafted site was achieved. 6) CBCT scans showing complete bony union at the grafted site.</p>

Follow-up after at least 6 months


							<p>7) Clinical picture showing final occlusion at the end of treatment. 8) Esthetic facial profile at the final visit.</p>