Clefts of the lip and palate are the congenital anomalies which may range from a small furrow in the lip to a complete separation of the two maxillary processes. They possess a significant social and financial burden to the individuals and their families. Numerous theories about the etiopathogenesis have been put forward from the past and numerous authors have classified them in different forms for easy understanding. Here in this review we have tried to compile the information from the past literature to present a brief update on various aspects of this entity.
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