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Table 1 List of excluded studies with reason

From: Effects of micro-osteoperforations performed with Propel system on tooth movement, pain/quality of life, anchorage loss, and root resorption: a systematic review and meta-analysis

Reference Reason for exclusion
Abdelhameed et al. (2018) Non-randomized study
Alikhani et al. (2014) Opinion article
Alikhani et al. (2015) Opinion article
Bajath et al. (2019) Non-randomized study
Bansal et al. (2019) Did not evaluate canine retraction
Charavet et al. (2019) Non-randomized study
Elkalza et al. (2018) Non-randomized study
Gulduren et al. (2020) Did not evaluate canine retraction
Laraway et al. (2018) Non-randomized study
Mahamoudi et al. (2016) Non-randomized study
Prasad et al. (2014) Letter to editor
Sangsuwon et al. (2018) Opinion article
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