orthognatic surgery 2

8/11/2019 Orthognatic Surgery 2

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APERTOGNATHIA


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-Class-2/Apertognathi-Bilateral CorpusOsteotomy


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Class-2 /Apertognathia


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-Class-1/Apertognathia

Bilateral maxillarycross-bite


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Class-1 / ApertognathiaAnt.Max.Subapical Osteotomy

Bilat.Corpus Osteotomy


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2-MAXILLARY PROCEDURES- APERTOGNATHIA- MAXILLARY HYPERPLASIA /

HYPOPLASIA

- MAXILLARY RETRUSION / PROTRUSION- FURTHER LE FORT I MODIFICATIONS

- MAXILLARY ALVEOLAR PROCESSDEFORMITIES


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PROCEDURES FOR CORRECTIONDYSGNATHIA-3

CONDITION PROCEDURE(S) STABILITY OF RESULT

1. Maxillary hyperplasiaVert. excess(long face) ExcellentHorizontal excess Total maxillary osteotomy Excellent

(protruson)

2.Maxillary hypoplasiaVert. deficiency - Total maxillary osteotomy Good to Excellentshort face with autologous boneHoriz. deficiency- retrus. graft or alloplast Good to excellent

3.Maxillary alv. proc.deformityProtrusion Ant. seg. alv. osteotomy ExcellentSupraeruption(over-bite) Fair to goodInfraeruption(open-bite) Post. seg. alv. Osteotomy Fair to good

Posterior crossbite(unilat.) Good to excellent


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MAXILLARY DEFICIENCY


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MAXILLARY PROTRUSION


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3- COMBINED PROCEDURES


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Skelethal Open-Bite

It is abnormal situation that

characterized with typical changes in

soft tissue and bone and facialvertical problem.

Elongation of lower face

Lip deficiency

Tongue Thrust


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Long Face


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Skelethal Open-Bite


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Posttraumatic MalocclusionLe Fort I Ostheotomy

Post traumatic Malocllusion and


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Post-traumatic Malocllusion andFacial Deformity


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Post-traumatic and Post-operatifDeformities

Trafic accidentTreated in different

center


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Result1- Ortognathic surgical deformities can lead not

only facial aesthetic but also;a- Malfunction

b- Speech Disorders

c- TMJ diseases

d- Periodontal problems ande- Psychological problem.

2- Compherensive treatment is needed in thetreatment of Dento-facial deformities and

especially dramatical facial asymmetry andskeletal open-bite.


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Result

3- Before these deformities treatmentcompherensive clinical and radiologicalexamination, cooperation betweensurgeon and orthodontist, stabile

occlusion, a good functional relationamong teeth and satisfactory facialaesthetic are needed.

4- If it is necessary the combination of

surgical procedures can use to correct thefacial deformities.


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Thank you For your

Attention

orthognatic surgery 2

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