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Anxiety and pain related to mandibular block injections292Table 5: Pearson’s correlation coefficients between all pain and anxiety measures.1 2 3 4 5 6 7 8 9 10 111 Pre-operative anxiety2 Expected pain0.69** 3 Experienced anxiety0.56** 0.56**4 Experienced pain0.51** 0.64** 0.54**5 POMS tension0.54** 0.48** 0.73** 0.43**6 POMS depression0.10 0.27* 0.26* 0.28* 0.42**7 POMS anger 0.10 0.27* 0.23 0.12 0.37** 0.72**8 POMS vigor 0.05 -0.03 -0.09 -0.03 -0.03 -0.18 -0.28*9 POMS fatigue 0.08 0.28* 0.27* 0.26* 0.26* 0.57** 0.51** -0.28*10 S-DAI 0.37** 0.31* 0.55** 0.28* 0.71** 0.38** 0.34** -0,03 0.1711 STAI-state 0.52** 0.50** 0.62** 0.49** 0.82** 0.48** 0.50** -0,27 0.26* 0.67**12 STAI-trait -0.03 0.11 0.09 0.01 0.17 0.27* 0.51** -0.29* 0.27* 0.12 0.29**= p<0.05**= p<0.01.POMS, Profile of Mood States; S-DAI, short version of Dental Anxiety Inventory; STAI, State-Trait Anxiety Inventory.Experience with dental injectionsAll patients were asked about their experiences with oral injections (Table VI). Fourteen patients (21.2%) had never experienced an oral injection before. Patients with different dental needle experiences were compared regarding pre-operative anxiety, expected injection pain, experienced injection anxiety, and experienced injection pain using one-way ANOVA. Patients who reported no memory of the experience before were excluded from this analysis. There was no significant difference in experienced pain between the groups that differed on the effectiveness of a previous oral injection (DNE-2), F(3,48)=0.28; p=0.84. There was a significant difference in experienced pain between the groups that differed on the amount of pain the previous oral injection had caused (DNE-3), F(3,46)=7.53; p<0.01. Post hoc analysis showed the more pain one felt during the last injection, the more pain one felt during this injection. There was a significant difference in experienced pain between the groups that differed on the amount of anxiety felt during a previous oral injection (DNE-4), F(4,46)=5.60; p<0.01. Post hoc analysis showed that the more anxiety someone felt during a previous oral injection, the more pain someone felt during this oral injection.