J Clin Periodontol 2009;36:357-63 Extent of peri-implantitis-associated bone loss Fransson C et al Göteborg, Sweden Materi...
Long-term (> 5 years) appearance of single- tooth implant crowns •   gingival blue-coloring •   progressive infraocclusion...
Godtfredsen 2008 Long-term follow-up (5 yrs) of implants Score 1: No blue-coloring ........ 43% Scores 2-4: Blue-coloring ...
Why labial bone loss & discoloration of gingiva in front of implants  • Alveolar bone in front is built from endosteally...
Rotational Palatal  Pedicle Graft Stig K. Osterberg DDS MSD Port Townsend WA
Eur J Orthod 2001;237:15-31 Orthodontic aspects of the use of oral implants in adolescents: a 10-year follow-up study Thil...
J Clin Periodontol 2004;31:1024-8 Long-term vertical changes  of the anterior maxillary teeth  adjacent to single implants...
Clin Impl Dent & Related Research 2005;7:200-208
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Samson 2009

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Samson 2009

  1. 1. J Clin Periodontol 2009;36:357-63 Extent of peri-implantitis-associated bone loss Fransson C et al Göteborg, Sweden Material : 1070 implants from 182 subjects examined from 1 – 23 years follow-up Definition : Peri-implantitis = bleeding on probing, pus & probing pocket depth ≥ 6mm Results : About 40 % of implants in each subject were affected by peri- implantitis-associated bone loss
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  3. 3. Long-term (> 5 years) appearance of single- tooth implant crowns • gingival blue-coloring • progressive infraocclusion • ” root” exposure World J Orthod nr. 3, 2006
  4. 4. Godtfredsen 2008 Long-term follow-up (5 yrs) of implants Score 1: No blue-coloring ........ 43% Scores 2-4: Blue-coloring or visible margin ........ 57 % of treated cases at follow-up after 5 years
  5. 5. Why labial bone loss & discoloration of gingiva in front of implants • Alveolar bone in front is built from endosteally formed bon e (except from narrow strip at crest where periosteal bone is formed due to the continuous tooth eruption) • Endosteal bone is more porous than periosteal bone (= more sensitive to resorption) • The labial bone in front of implants does not hold (disturbed vascularization, changes of mechanical stimuli, etc.)
  6. 6. Rotational Palatal Pedicle Graft Stig K. Osterberg DDS MSD Port Townsend WA
  7. 7. Eur J Orthod 2001;237:15-31 Orthodontic aspects of the use of oral implants in adolescents: a 10-year follow-up study Thilander B, Ödman J, Lekholm U Göteborg, Sweden
  8. 8. J Clin Periodontol 2004;31:1024-8 Long-term vertical changes of the anterior maxillary teeth adjacent to single implants in young and mature adults A retrospective study Bernard JP, Schatz JP, Christou P, Belser U, Kiliaridis S Geneva, Switzerland C Infra-occlusion
  9. 9.
  10. 10. Clin Impl Dent & Related Research 2005;7:200-208
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