• V Apparaju, S K Vaddamanu, R Vyas, S Vishwanath, V Gurumurthy, and M A Kanji.
• Department of Periodontology and Oral Implantology, Dr. Vijay's Multispeciality Dental Care, Implant and LASER Center, Abha, Saudi Arabia.
• Niger J Clin Pract. 2020 Mar 1; 23 (3): 275-283.

AbstractWe aimed to assess the complications of minimally invasive balloon-assisted maxillary sinus floor augmentation, compared with the conventional sinus floor augmentation procedures done before placing a dental implant. A structured question was formulated and an electronic search was conducted in three databases (MEDLINE via PubMed, Google Scholar, and Scopus). A separate search of gray literature and a hand search for missing articles were also conducted. Apart from animal studies, in-vitro studies, and case reports, all other types of studies where maxillary sinus floor augmentation was done using a balloon were considered for review. Our review was registered in International Prospective Registration of Systematic Reviews (PROSPERO) under number CRD42018086770. Our search produced 73 articles. However, only eight articles were found eligible to be included in our review (seven case series and one case-control study). Quality check was done using Methodological Index for Non-Randomized Studies (MINORS). Results suggest that balloon-assisted augmentation is associated with low rates of membrane tears (9 out of 272 sinus augmentation attempts), and high follow-up bone gain levels (mean 212.91%, 95% confidence interval 158.07%-267.75%, I2 = 97.62%). Balloon-assisted augmentation seems to be safe. More clinical trials are needed to assess the advantages and disadvantages of balloon-assisted maxillary sinus floor augmentation compared with other procedures.

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