Good news! Since recently, Laboklin offers a diagnostic test for Amelogenesis Imperfecta in Akita. My first two dogs are already tested with pleasing results: Raigorou Go Kireina Takara & Torahime Go Bushido No Torii Kensha both test free on this mutation and can't pass it on to their offspring. My other dogs will be tested as well, prior to breeding.
Amelogenesis Imperfecta (AI) / Familial Enamel Hypoplasia (FEH) is an inherited genetic disorder affecting the tooth enamel. Affected dogs are unable to develop normal tooth enamel (Enamel Hypoplasia), resulting in teeth being misshaped with roughening / thinning surface and greyish or brownish spots.
The disease affects both baby and permanent teeth. In affected dogs, permanent teeth are pointed and unusually small with gaps between the teeth due to increased enamel wear. The gaps between the teeth increase as the dog gets older.
There is no relation between the disease and either autoimmunity or periodontal disease.