@article{BalliIoannouPowelletal.2018,
  author    = {Gabriella Balli and Andreas Ioannou and Charles A. Powell and Nikola Angelov and Georgios Romanos and Nikolaos Soldatos},
  title     = {Ridge preservation procedures after tooth extractions : a systematic review},
  journal   = {International journal of dentistry},
  volume    = {10},
  number    = {Art. 8546568},
  pages     = {1 -- 7},
  doi       = {10.1155/2018/8546568},
  year      = {2018},
}