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Long-term effects of vertical bone augmentation: a systematic review
Johan Anton Jochum Keestra1, Obada Barry2, Lianne de Jong3
1Ordentall, Rotterdam, Netherlands.
Journal of Applied Oral Science : Revista FOB
|March 24, 2016
Summary
Vertical bone augmentation techniques like onlay grafting, alveolar distraction, and guided bone regeneration show stability for 4-5 years. This review evaluates their long-term effectiveness for alveolar ridge reconstruction.
Area of Science:
- Dental implantology
- Periodontology
- Oral and maxillofacial surgery
Background:
- Alveolar ridge reduction, caused by extraction, periodontitis, or trauma, leads to insufficient bone width and height.
- Various vertical bone augmentation techniques exist, but long-term evidence for lateral augmentation stability is limited.
Purpose of the Study:
- To review and analyze vertical bone augmentation techniques.
- To evaluate the long-term stability of these bone augmentation procedures.
Main Methods:
- Systematic literature search of MEDLINE-PubMed database until December 2014 using "Alveolar Ridge augmentation" [MESH].
- Hand searches of journals and author consultations for additional information.
- Primary outcome: marginal bone level change around implants; Secondary outcomes: implant survival and success rates.
Main Results:
- 90 articles selected from 203 abstracts, detailing 51 studies.
- Onlay technique and vertical guided bone regeneration showed marginal bone level changes consistent with success criteria.
- Alveolar distraction exhibited greater marginal bone loss after the first year of loading; limited data existed for the onlay technique.
Conclusions:
- Onlay technique, alveolar distraction, and vertical guided bone regeneration appear stable for at least 4-5 years.
- Further research is needed to solidify evidence for lateral augmentation procedures' long-term stability.
