Piezo-surgery technique and intramuscular dexamethasone injection to reduce postoperative pain after impacted mandibular third molar surgery: a randomized clinical trial

Table 1 Baseline characteristics and surgical working times of the study patients

	Group 1 n = 20	Group 2 n = 20	Group 3 n = 20	Group 4 n = 20	p value
Age (Mean ± SD)	19.8 ± 2.41	19.958 ± 2.35	19.88 ± 2.80	20.18 ± 3.00	0.966
Gender n (%)					0.801
Male	9 (45)	10 (50)	11 (55)	8 (40)
Female	11 (55)	10 (50)	9 (45)	12 (60)
Pederson difficulty score (Mean ± SD)	6.45 ± 1.09	6.35 ± 0.98	6.4 ± 1.09	6.55 ± 1.23	0.951

SD standard deviation, n frequency, % percentage, p value less than 0.05 is considered significant
Group1: Conventional rotatory without Dexamethasone
Group2: Conventional rotatory with Dexamethasone
Group3: Piezo-surgery without Dexamethasone
Group4: Piezo-surgery with Dexamethasone

ISSN: 1472-6831