Which of the following disorders affecting the jaw bones and facies is characterized by fusion of the anterior portion of the maxillary gingiva to the upper lip from canine to canine?

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Ellis-van Creveld syndrome is also known as chondroectodermal dysplasia and is characterized by a range of physical abnormalities including fusion of the maxillary gingiva to the upper lip from canine to canine, as well as short stature, polydactyly, and congenital heart defects. Gardner syndrome is a rare genetic disorder that causes the formation of numerous polyps in the colon and rectum, while mandibulofacial dysostosis and cherubism both involve abnormal bone growth in the facial region but do not have the specific symptom of gingival fusion.

Which of the Following Disorders Affecting the Jaw Bones and Facies