Progress in Orthodontics

Table 3 Prevalence of apical root resorption in the two groups

From: Prevalence and severity of apical root resorption during orthodontic treatment with clear aligners and fixed appliances: a cone beam computed tomography study

	Clear aligners	Fixed appliances	P value
Maxillary central incisor	69.35%	84.62%	0.041
Maxillary lateral incisor	69.35%	88.52%	0.009
Maxillary canine	45.00%	80.00%	0.001
Mandibular central incisor	60.00%	78.69%	0.023
Mandibular lateral incisor	53.85%	88.33%	< 0.001
Mandibular canine	35.38%	72.58%	< 0.001
Average	56.30%	82.11%	< 0.001

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