A newborn has a unilateral cleft of the upper lip lateral to the philtrum that extends into the alveolus between the lateral incisor and canine regions, with an intact secondary palate. Failure of fusion of which embryological structures causes this defect?
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DHA, DOH, MOH & SDLE Gulf Dental Licensing Mock Test Paper 4 | Clinical MCQs with Answers | Quiz | MCDI