“…29 The types of orthodontic treatments were fixed appliances, 8,16,25,29,30 fixed appliances with premolar extraction, 8,27 functional appliances, 8 or not reported. 26,28 The selected articles reported various markers Amid et al of periodontal status as follows: gingival recession, 8,16,25,26,[28][29][30] probing pocket depth, 16,25 clinical attachment level, 16,25 inflammation, 8,16,25,26,28,29 periodontal index, 28 plaque index, 8,25,28,29 and keratinized tissue width. 16,25 One study reported gingival clefts, 27 but none of them reported on tooth loss, tooth mobility, or other adverse effects.…”