Mean and proportion of data (n = 28)
Values are presented as number (%) if otherwise specified; *median (interquartile range: first quartile, third quartile).
Det_ini, Time from the start of treatment to the initial detection of discoloration; Det_fu, time from the initial detection of discoloration to the final follow-up; EPT_ini, electric pulp test (EPT) at the time of initial detection of discoloration; EPT_fu, EPT at the time of final follow-up; X_ini, plain radiographic findings at the time of initial detection of discoloration; X_fu, plain radiographic findings at the time of final follow-up.