Soft tissue changes following extraction vs. nonextraction orthodontic fixed appliance treatment: a systematic review and meta-analysis.
Eur J Oral Sci. 2018 Jun;126(3):167-179. doi: 10.1111/eos.12409. Epub 2018 Feb 26.
Eur J Oral Sci. 2018.
PMID: 29480521
Free article.