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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