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. 2019 Aug 2;9(8):e028352. doi: 10.1136/bmjopen-2018-028352

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© Author(s) (or their employer(s)) 2019. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited, appropriate credit is given, any changes made indicated, and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/.

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Networks of comparisons made in molars. Different comparators (nodes) were compared directly with each other. The node diameter represents the number of studies involving this comparator. Moreover, the number of studies is added between brackets in each node, the thickness of the edge represents the number of direct comparisons between two comparators. Certain comparators were not connected to the main network. aPDT, low-intensity laser and photodynamic therapy; ART, atraumatic restorative treatment; ARR, atraumatic resin restoration; CPP-ACP, casein phosphopeptide-amorphous calcium phosphate; GIC, glass ionomer cement; HCl, hydrochloric acid; NaOCl, sodium hypochlorite; PMC, preformed metal crowns; SDF, silver diamine fluoride; SEA, self-etching adhesive; TEA, total-etch adhesive.