| Patient n˚. | Studies | Year | Age | Sex | Site |
| 1 | Lapeyrolerie and Manhold [7] | 1964 | 56 | M | Gingiva (maxilla) |
| 2 | Radden and Reade [8] | 1966 | 51 | M | Gingiva (maxilla) |
| 3 | Lund et al. [9] | 1970 | 52 | M | Gingiva (maxilla) |
| 4 | Kuga et al. [10] | 1976 | 65 | M | Gingiva (maxilla) |
| 5 | Yoshida et al. [11] | 1976 | 46 | M | Gingiva (maxilla) |
| 6 | Wedgwood et al. [12] | 1979 | 56 | M | Gingiva (maxilla) |
| 7 | Morishita and Fukuda [13] | 1984 | 64 | M | Gingiva (maxilla) |
| 8 | Tokuyama et al. [14] | 1984 | 44 | F | Gingiva |
| 9 | Kanazawa and Sato [15] | 1989 | 78 | F | Gingiva (maxilla) |
| 10 | Llanes et al. [12] | 1996 | 66 | M | Gingiva (mandible) |
| 11 | English et al. [17] | 2000 | 44 | M | Gingiva (maxilla) |
| 12 | Maiorano et al. [18] | 2000 | 70 | M | Gingiva |
| 13 | Papa et al. [19] | 2001 | 55 | M | Gingiva (mandible) |
| 14 | Pires et al. [5] | 2004 | 60 | M | Gingiva (mandible) |
| 15 | Ramon et al. [20] | 2003 | 65 | M | Gingiva (maxilla) |
| 16 | Arai et al. [3] | 2004 | 72 | F | Gingiva (maxilla) |
| 17 | Friedrich et al. [3] | 2010 | 72 | M | Gingiva (maxilla) |
| 18 | Tadashi Terada [2] | 2011 | 55 | M | Gingiva (maxilla) |
| 19 | Greenstein et al. [6] | 2013 | 68 | M | Gingiva (maxilla) |
| 20 | Alrumaih et al. [1] | 2015 | 73 | M | Gingiva (maxilla) |
| 21 | The present case report | 2015 | 58 | M | Gingiva (mandible) |