Article Text

Download PDFPDF
Case report
‘Butterfly’: a residual bone independent technique for one-stage sinus lift
  1. Iulian Filipov1,
  2. Federico Bolognesi2 and
  3. Lucian Chirila3
  1. 1Department of Oral and Maxillofacial Surgery, Brasov Military Hospital, Brasov, Romania
  2. 2Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy
  3. 3Maxillofacial Surgery, Faculty of Dental Medicine, 'Carol Davila' University of Medicine and Pharmacy, Bucharest, Romania
  1. Correspondence to Dr Iulian Filipov; iulian_filipov{at}


A 29-year-old woman with an extreme pneumatisation of the maxillary sinus and a missing molar was treated with one-stage sinus lifting and implant placement in a novel surgical approach.

  • dentistry and oral medicine
  • ear
  • nose and throat/otolaryngology

Statistics from

Request Permissions

If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.


  • Contributors IF performed the surgery according to the described technique. FB was in charge of drafting and editing the article. LC made the statistics.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Patient consent for publication Obtained.

  • Provenance and peer review Not commissioned; externally peer reviewed.