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. 2016 Jun 28;4:e2182. doi: 10.7717/peerj.2182

Figure 3. Physical strain on dentists.

Figure 3

In the Reciproc group (R) the PIs felt significantly less physical and finger strain than in the hand preparation group (H) (Mann–Whitney-U Test p = 0.013 and p < 0.001). In the Reciproc group glidepath preparation was significantly less often required (Mann–Whitney-U Test p < 0.001). (* Difference between the groups p < 0.05).