case summary by Libyan dentist: najma alamami Intraoral examination: He has early childhood caries Pre mature missing #54 , #55 , # 65 , #64 . Badly decayed #51 , #52 , #61, #62. #63,#53,73, #83 proximal caries. medical history Mental retardation . Post axial Polydactyly (unlerpolydycatly ) in two hands. abnormal facial feature as oclular hyper telorism and micrognatia . Macrocephaly and high prominent forehead . speech delayed. Flat right tympanic membrane (no reflex ) Family history His parents are relative His brother(10 years old ) has same problem