Reported cases of isolated single central maxillary incisor
| Year | Reference | Case No | Gender | Additional clinical data |
| 1970 | 16 | 5 | Male | |
| 1986 | 17 | 1 | Male | |
| 1991 | 181-150 | 1 | Male | |
| 1958 | 19 | 1 | Female | |
| 1967 | 20 | 1 | Female | Daughter of next case |
| 1967 | 20 | 2 | Female | Mother of preceding case |
| 1970 | 16 | 1 | Female | |
| 1970 | 16 | 2 | Female | |
| 1974 | 21 | 1 | Female | |
| 1977 | 22 | 5 | Female | Also had Graves' disease |
| 1978 | 23 | 2 | Female | Also had unilateral absent cochlea |
| 1979 | 24 | 1 | Female | Had sib with cleft lip |
| 1983 | 25 | 1 | Female | |
| 1991 | 181-150 | 2 | Female | Had brother with cleft lip |
| 1991 | 181-150 | 3 | Female | |
| 1 | Female | Present case |
↵1-150 These cases were described as having single maxillary central incisors that were morphologically right (or left) maxillary central incisors. These teeth were centred in the midline with no distortion of the maxillary arch or gaps in the maxillary dentition.