The degree of thickening ranges from involvement of the interdental papillae alone to gingival overgrowth covering the entire tooth crown.
[ncbi.nlm.nih.gov]
overgrowth, Hypertelorism, Hypertonia, Hearing impairment, Hydronephrosis, Cognitive impairment, Postnatal growth retardation, Global developmental delay, Scoliosis, Strabismus
[fdna.health]
People with recombinant 8 syndrome may have overgrowth of the gums (gingival hyperplasia) and abnormal tooth development.
[malacards.org]