Kim DM, Aldeghaither M, Alabdullatif F, et al. - A systematic review was performed to correlate rates of complications and revision surgeries between cemented polyethylene glenoid (PEG) and three examples of modern metal-backed glenoids (MBG) designs. This study carried a literature search using PubMed, Cochrane Library, EMBASE, and Google Scholar using MeSH terms and natural keywords. Researchers enrolled 35 articles including a total of 3,769 shoulders; 25 on cemented PEG and ten on the modern MBG and the mean age was 66.4 (21–93) and 66.5 years (31–88). It was showed that the modern MBG component, particularly TM glenoid, appears to be a likely alternative to cemented PEGs, based on subgroup revision rates according to the follow-up duration and overall results of ROM and clinical scores. It was noted that all polyethylene glenoids tend to increase loosening and failure over time. In comparison with the cemented PEG, three modern MBG designs appear to have no difference in failure, at least in the < 36-month and 36–72-month subgroups. Besides, more long-term follow-up research on modern MBG should be sequentially conducted.