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Anatomy of cleft lip and
palate
Palate fusion occurs between 9 to 12 weeks of
gestation
Cleft palate can be divided into primary and
secondary cleft palate
Anatomically primary palate consists features
anterior to incisive foramen, which include lip,
alveolus and hard palate.
Secondary palate is posterior to the incisive
foramen and consists of hard palate and soft
palate
Primary cleft is due to failure of fusion of maxillary
and medial nasal processes.
Secondary cleft palate is due to incomplete
fusion of lateral palatine processes with each
other and the nasal septum.
Smarius B. World J Methodol 2017; 7(3): 93-100
