DOI: 10.1111/prd.12261 REVIEW ARTICLE Genetic and developmental disorders of the oral mucosa: Epidemiology; molecular mechanisms; diagnostic criteria; management Roberto Pinna1 | Fabio Cocco1,2 | Guglielmo Campus1,2,3 | Giulio Conti4 | Egle Milia1 | Andrea Sardella4,5 | Maria Grazia Cagetti2,5 1Department of Surgery, Medicine and Experimental Sciences, University of Sassari, Sassari, Italy 2WHO Collaboration Centre for Epidemiology and Community Dentistry, University of Milan, Milan, Italy 3Klinik für Zahnerhaltung, Präventiv-und Kinderzahnmedizin Zahnmedizinische Kliniken (ZMK), University of Bern, Switzerland 4IRCCS “Ca Granda-Ospedale Maggiore”, University of Milan, Milan, Italy 5Department of Biomedical, Surgical and Dental Science, University of Milan, Milan, Italy Correspondence Guglielmo Campus, Prof Guglielmo Campus Klinik für Zahnerhaltung, Präventiv-und Kinderzahnmedizin Zahnmedizinische Kliniken (ZMK) University of Bern, Freiburgstrasse 7, Bern, Switzerland. Emails:
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[email protected] 1 | INTRODUCTION exact prevalence is unknown, but the syndrome seems more common among the Amish community. This rare condition is inherited as an Oral mucosal lesions may appear as ulcers, color changes and altera- autosomal recessive trait with a variable expression. Mutations of the tions in size and configuration of oral anatomy. This review presents Ellis van Creveld protein 1 and 2 genes, located in a head- to- head con- a broad overview of genetic and developmental disorders of the figuration on chromosome 4p16, have been identified as causative.6,7 oral mucosa that might be recognized in children, adults and the el- The mutations of Ellis van Creveld belong to the short rib- polydactyly derly.1-3 A number of genetic disorders (Table 1) have specific mani- group and especially type III (Verma- Naumoff syndrome).