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| S. no. | Year | Author | Technique |
|
| 1 | 1956 | Kromer [39] | First report of papilla preservation procedure |
| 2 | 1959 | Cohen [40] | Described the interdental papilla |
| 3 | 1963 | Ochsenbein and Bohannon [41] | Palatal approach procedure in which incisions are given from the palatal aspect |
| 4 | 1967 | Frisch et al. [42] | Curtain procedure, which maintains the labial gingiva and lingual and interproximal 2/3rd part is released |
| 5 | 1973 | App [43] | Intact papilla flap: interdental gingiva is retained in the buccal flap |
| 6 | 1974 | Ramfjord and Nissle [44] | Use of submarginal incision to preserve papilla during flap surgery |
| 7 | 1985 | Shapiro [18] | Used periodic curettage of papilla to increase size of papilla |
| 8 | 1985 | Evian et al. [45] | Modified the intact papilla technique |
| 9 | 1985 | Takei et al. [23] | Papilla preservation technique and use of palatal semilunar incision 3 mm apical to gingival margin |
| 10 | 1988 | Checchi and Schonfeld [13] | Modified Evian and Takei’s technique and suggested to give buccal incision and coronally advance it to cover graft in the palatal area. Lingual incision was to be given when maximum depth of defect was in labial aspect |
| 11 | 1992 | Beagle [7] | Combines principles of Abrams’ roll technique for ridge augmentation with augmentation of Evian’s papilla preservation technique.
One treatment option for this problem has been to create on acrylic resin mask to mimic the appearance of healthy gingiva |
| 12 | 1995 | Cortellini et al. [24] | Modified papilla preservation technique: here the buccal flap is freed and straight interproximal incisions are given |
| 13 | 1998 | Azzi et al. [8] | Connective tissue from retro molar area is placed in interdental area after raising split thickness flap |
| 14 | 1999 | Cortellini et al. [25] | Simplified papilla preservation technique by giving an oblique incision in the interdental papilla in cases where the interdental distance is less than 2 mm |
| 15 | 2001 | Nemcovsky [26] | Interproximal augmentation of papilla using a new instrument and advancing the papillary flap plus placing connective tissue graft |
| 16 | 2004 | Carnio [6] | Papilla reconstruction using subepithelial connective tissue graft |
| 17 | 2004 and 2005 | Cardaropoli et al. [20, 21] | Use of orthodontics to correct lateral walls of the interdental papilla housing |
| 18 | 2006 | Kotschy and Laky [46] | Bone grafting done in interdental areas to raise the floor of interdental papilla housing |
| 19 | 2006 | Zucchelli and De Sanctis [31] | Papilla amplification flap: giving parabola incisions adjacent to the papilla to be amplified |
| 20 | 2007 | McGuire and Scheyer [47] | Augmentation of papilla by injecting autologous fibroblasts |
| 21 | 2008 | Nordland and Sandhu [15] | Microsurgical technique to augment papilla |
| 22 | 2009 | Akiyama [48] | Papilla reconstruction done using a microscope |
| 23 | 2016 | Froum et al. [10] | New surgical technique for interimplant papilla reconstruction by giving oblique incisions in the vestibular area labially and palatally and creating a tunnel using translingual curette to advance the papillary unit |
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