[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 3

Comparison of clinical efficacy.

Group	Marked response	Response	Nonresponse	ORR (%)
Control group (n = 55)	18 (32.7)	23 (41.8)	14 (25.5)	74.5
Observation group (n = 46)	19 (41.3)	23 (50.0)	4 (8.7)	91.30
χ ^2				4.804
				0.028