From: Microbial identification from traumatized immature permanent teeth with periapical lesions using matrix-assisted laser desorption/ionization time-of-flight mass spectrometry
Gram positive
Gram negative
Mann–Whitney
(p value)
Mean (SD)
Lesion volume
2.9 (1.7)
2.4 (1.1)
Z = 0.82
P = 0.42 NS