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Short Implants (5 to 8 mm) Versus Longer Implants (>8 mm) with Sinus Lifting in Atrophic Posterior Maxilla: A Meta‐Analysis of RCTs
Author(s) -
Fan Tengfei,
Li Yicun,
Deng WeiWei,
Wu Tianfu,
Zhang Wenfeng
Publication year - 2017
Publication title -
clinical implant dentistry and related research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.338
H-Index - 85
eISSN - 1708-8208
pISSN - 1523-0899
DOI - 10.1111/cid.12432
Subject(s) - medicine , meta analysis , dentistry , randomized controlled trial , implant , cochrane library , survival rate , maxilla , dental implant , clinical trial , implant failure , significant difference , surgery
Objective The specific purposes of this study were (1) to undertake a thorough systematic review and meta‐analysis based only on randomized clinical trials (RCTs) to compare the rates of survival and complications of short implants to those of long implants; (2) to compare the surgical time and cost of short implants to those of long implants. Methods RCTs were identified from the major electronic databases (MEDLINE, Embase and Cochrane Library) using the keywords “dental implant,” “short implant” and “atrophic maxilla,” and a quantitative meta‐analysis was conducted. The survival rate of implants and complications were the primary outcome measures, and other parameters assessed included costs and surgical time. Results Seven RCTs that met the inclusion criteria included 554 implants (265 implants in the short implant group). There was no significant difference in survival rate between two groups (RR: 1.00; 95% CI: [0.97, 1.03]; p = .96; seven trials, 554 participants). Compared with long implant group, the short implant group had a lower complications and the effect measure was significant (RR: 0.58; 95% CI: [0.37, 0.90]; p = .02; seven trials, 554 participants). Conclusion This systematic review showed that no difference between the survival rates of short implants (5–8 mm) and long implants (>8 mm); complications in short implants are lower than that in long implants. However, further studies are required to substantiate our findings.