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Short versus standard implants at sinus augmented sites: a systematic review and meta-analysis
Manuel Toledano1, Enrique Fernández-Romero1, Cristina Vallecillo2
1Faculty of Dentistry, University of Granada, Colegio Máximo de Cartijo S/N, 18071, Granada, Spain.
Clinical Oral Investigations
|September 7, 2022
Summary
Short dental implants (≤6mm) offer similar survival rates to standard implants (≥8mm) in atrophic posterior jaws. Short implants result in less marginal bone loss and reduced postoperative discomfort, making them a viable alternative.
Area of Science:
- Dental Implantology
- Oral Surgery
- Periodontology
Background:
- Short dental implants (≤6mm) are explored as a less invasive option compared to standard-length implants (≥8mm) combined with sinus lift procedures.
- The study evaluates the efficacy of short implants versus standard implants in patients with edentulous posterior atrophic jaws.
Approach:
- A systematic review and meta-analysis of randomized controlled trials was conducted.
- Databases searched included PubMed, EMBASE, Cochrane Oral Health, and Web of Science.
- Implant survival (IS) and marginal bone loss (MBL) were primary outcome measures.
Key Points:
- Implant survival rates were comparable between short implants and standard-length implants with sinus lift (Risk Ratio 1.02, CI 95% [1.00–1.05]).
- Standard-length implants showed significantly higher marginal bone loss (MBL) compared to short implants.
- Secondary outcomes indicated reduced postoperative discomfort, shorter treatment times, and lower costs with short implants.
Conclusions:
- Short dental implants are a suitable alternative to standard-length implants with sinus elevation in atrophic posterior maxilla cases.
- The reduced MBL associated with short implants supports a shift in treatment paradigms.
- Further high-quality, long-term studies are recommended to validate these findings.
