Inward fragmentation and socket preservation in complex mandibular third molar surgery - a case report.

  • Víctor Beltrán Universidad de La Frontera, Dental School, Clinical Investigation and Dental Innovation Center (CIDIC), Temuco, Chile
  • Wilfried Engelke Georg-August-University Hospital, Depart-ment Oral and Maxillofacial Surgery, Göttingen, Germany.


Open extraction sockets following inward fragmentation of partially erupted mandibular third molars may compromise the hard tissue regeneration and lead to postoperative complications. In the case report, we present socket preservation to seal the open alveolous without flap displacement.  A female patient  aged 22,  presented for removal of a partially erupted M3M was operated on via occlusal inward fragmentation under magnifying endoscopic vision. Critical nerve structures were identified and protected before socket preservation with resorbable in situ hardening TCP particles was performed. The  alveolar bone site  healed uneventful, panoramic and cross-sectional  conebeam reformats confirmed an complete hard tissue maintanence. Endoscopically assisted inward fragmentation combined with  socket preservation leads to the maintenance of adjacent hard tissues without need for flap transposition in complex anatomical sites.


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How to Cite
BELTRÁN, Víctor; ENGELKE, Wilfried. Inward fragmentation and socket preservation in complex mandibular third molar surgery - a case report.. Journal of Oral Research, [S.l.], v. 7, n. 6, p. 260-262, june 2018. ISSN 0719-2479. Available at: <>. Date accessed: 01 aug. 2021. doi:


mandibular impacted third molars; endoscope; inward fragmentation; socket preservation; CBCT.