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Binder's syndrome for orthodontist by almuzian
1. Binder's syndrome or Nasomaxillary hypoplasia
• Binder syndrome, also known as
maxillonasal dysplasia
• Hereditary and vitamin D
deficiencyduring embryonic growth have
been researched as possible causes
• Other said that this condition is
thought to have an autosomal recessive
inheritance with incomplete penetrance
Features
• They have a small frontal sinus
• Flat short nose
• Acute nasolabial angle
• No anterior nasal spine
• Horizontal nostrils
• Short columella
• Broad philtrum,
• There are associated anomalies of muscle insertions of the upper
lip and the nasal floor
• A convex upper lip
• Thin alveolar plate around upper incisors
• Hypoplastic premaxilla
• Class III malocclusion
• Proclination of upperincisors
• Mandibular prognathism (pseudoprognathism),
• Open bite
• Crowding
2. Mohammed Almuzian, University of Glasgow, 2013 Page 1
Treatment
Depending on the involvement of the malformation, surgical treatment
can be limited to reconstruction of the nasal dorsum and apex only or
extend to include maxillary advancement. The treatment consists of:
Nasal correction. Cranial, costochondralor artificial grafting to the
can be performed inearly adolescence;however, osteotomywith
maxillary advancement should be reserved until the late teenage
years [79], if so, ideally, the nasal reconstruction is carried out after
the orthognathic and anterior maxillary augmentation procedures
Surgeons have reported the use of bone and cartilage grafts, and
a comparisonbetweenthe two demonstrated that either option is
adequate for creating a normal nasolabial angle and tip projection
[80,81].