[Retracted] Correlation of Complex Impacted Mandibular Teeth with Pericoronitis and Effect of Minimally Invasive Tooth Extraction on Patients’ Long-term Outcome of Masticatory Ability

Table 4

Comparison of safety.

Group	Lower jaw pain	Wound infection	Wound swelling	Restricted mouth movement	ARs (%)
Control group (n = 55)	5 (9.1)	2 (3.6)	4 (7.3)	2 (3.6)	13 (23.6)
Observation group (n = 46)	2 (4.3)	0 (0.0)	1 (2.2)	1 (2.2)	4 (8.7)
χ ^2					3.994
					0.046