Anaesthetic Efficacy of 4% Articaine in Comparison with 2% Lidocaine as Intraligamentary Injections after an Ineffective Inferior Alveolar Nerve Block in Mandibular Molars with Irreversible Pulpitis: A Prospective Randomised Triple-Blind Clinical Trial

Table 2

Summary of mean pain scores for inferior alveolar nerve block and intraligamentary injections of articaine and lidocaine in different times (mean ± SE = standard error).

Pain groups	Tooth number	Initial pain	Pain during block injections	Pain after block injections	Pain during supplemental injections	Pain after supplemental injections	Pain during access cavity preparation	Pain in primary filing
Articaine (mean ± SE)95%CI	6	92.81 ± 4.882.57–103.05	19.69 ± 4.69.86–29.51	47.81 ± 7.531.81–63.82	0.0 ± 0.0NA	22.94 ± 5.311.60–34.27	40.62 ± 7.125.46–55.79	26.75 ± 6.013.82–39.68
	7	97.0 ± 3.589.42–104.58	12.13 ± 3.64.41–19.84	41.06 ± 6.826.53–55.60	2.0 ± 1.41.01–5.01	9.13 ± 2.92.76–15.49	18.63 ± 4.010.09–27.16	15.13 ± 3.18.42–21.83
	Total	94.91 ± 2.988.86–100.95	15.91 ± 2.99.87–21.95	44.4 ± 5.0234.19–54.96	1.0 ± 0.70.47–2.47	16.03 ± 3.29.41–22.65	29.63 ± 4.420.50–38.75	20.94 ± 3.513.76–28.12
Lidocaine (mean ± SE)	6	101 ± 4.990.41–111.71	14.63 ± 3.37.55–21.70	49.81 ± 7.633.56–66.06	0.63 ± 0.40.29–1.54	26.81 ± 5.115.93–37.69	45.06 ± 5.732.83–57.30	28.75 ± 5.317.42–40.08
	7	88.63 ± 4.179.79–97.46	13.69 ± 3.95.31–22.07	35.63 ± 6.222.37–48.88	2.81 ± 1.40.26–5.88	13.44 ± 3.75.43–21.44	25.81 ± 5.613.70–37.93	22.75 ± 5.111.78–33.72
	Total	94.84 ± 3.387.95–101.74	14.16 ± 2.58.99–19.32	42.72 ± 5.032.51–52.92	1.72 ± 0.70.16–3.28	20.12 ± 3.313.31–26.94	35.44 ± 4.326.60–44.27	25.75 ± 3.618.25–33.25
Total (mean ± SE)	6	96.94 ± 3.489.82–104.05	17.16 ± 2.811.38–22.93	48.81 ± 5.238.07–59.55	0.31 ± 0.20.13–0.76	24.88 ± 3.617.45–32.30	42.84 ± 4.533.64–52.05	27.75 ± 3.919.65–35.85
	7	92.81 ± 2.787.12–98.5	12.91 ± 2.67.54–18.28	38.34 ± 4.529.03–47.65	2.41 ± 0.90.38–4.44	11.28 ± 2.36.40–16.16	22.22 ± 3.415.12–29.32	18.94 ± 3.012.73–25.15
	Total	94.88 ± 2.290.42–99.33	15.03 ± 0.911.16–18.9	43.58 ± 3.536.55–50.61	1.36 ± 0.50.32–2.40	18.08 ± 2.313.43–22.72	32.53 ± 3.126.31–38.75	23.34 ± 2.518.26–28.43

Not applicable.