An oblique facial cleft is formed:
a- Due to the rupture of the buccopharyngeal membrane.
b- When the maxillary process fails to fuse with the mandibular processes. c- When the maxillary process fails to fuse with the lateral & medial nasal process.
d- When the medial nasal process fails to fuse with the maxillary process.
c- When the maxillary process fails to fuse with the lateral & medial nasal process.