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Table 3 VAS ratings after the different interventions (needle insertion and injection) following application of ice and lidocaine 5% gel (n = 40)

From: Ice versus lidocaine 5% gel for topical anaesthesia of oral mucosa – a randomized cross-over study

Intervention/variable measured
(application time)
Ice
mean ± SD
(mm)
Lidocaine 5% gel
mean ± SD
(mm)
Paired t-test
(p-value)
VAS pain buccal needle insertion
(1 min)
9.7 ± 9.28.5 ± 9.60.469
VAS pain buccal needle insertion
(2.5 min)
11.8 ± 9.47.3 ± 10.40.016
VAS pain buccal needle insertion
(5 min)
11.8 ± 13.78.2 ± 7.50.079
VAS pain buccal injection12.4 ± 10.616.4 ± 14.50.044
VAS discomfort buccal injection9.6 ± 10.73.7 ± 3.70.001
VAS pain palatal injection19.1 ± 11.021.4 ± 14.170.252
VAS discomfort palatal injection6.5 ± 8.55.9 ± 9.10.633
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