Timeline of Cleft palate

Face and anterior aspects of mouth forms

5-8 weeks

Fusion of R/L mandibular processes

4 + 5 weeks of gestation

Completion of the formation of R/L mandibular processes

@ 6 weeks !

Frontonasal process grows

5

Facial development complete

8th week gestation

Anterior aspects of face complete BUT, complete separation of oral and nasal cavities has not been achieved

8 weeks

Embryonic processes that give rise to the hard and soft palate fuse, this separates the oral and nasal cavities

between 8-12 weeks of gestation

up to week the tongue projects into the nasal cavity

9th

Growth spurt of the mandible width and length, pulls tongue down away from palatal shelves

8th and 9th week

joining of palatal plates, primary palate and nasal septum

8th week

complete closure of the hard palate

9th week

Closure of the soft palate up to the uvula

10th week

complete development of soft palate

12th week

SP development during

10th week

Fusion of secondary palate complete at

12 weeks