Does a New Modification of the Two-Step Injection Technique for Inferior Alveolar Nerve Block Reduce Pain Compared to the Conventional Technique? A Randomized Clinical Trial

Table 1

Demographic information and individual’s vital signs before injection.

			Injection techniques
Variables		Total	Conventional technique	Two-step technique	p-Value
Sex (number)^a	Male	16	8	8	>0.999
	Female	16	8	8
Age range (number)^a	20–29	7	2	5	0.329
	30–39	21	11	10
	40–49	4	3	1
Education (number)^a	Bachelor’s degree and below	7	3	4	0.643
	Master’s degree	17	10	7
	PhD and above	8	3	5
Heart rate (mean)^b		81.06	81.63	80.5	0.7
Systolic blood pressure (mean)^b		117.19	117.5	116.88	0.705
Diastolic blood pressure (mean)^b		77.19	78.13	76.25	0.413
Respiratory rate (mean)^b		18.41	18.38	18.44	0.904
GHQ-28 score (mean)^b		38.78	39.06	38.5	0.532

^aFisher’s exact χ² test. ^bIndependent t-test.