Can hair still grow back if the loss is caused by the tightness of a durag (type of head scarf)?

Unless you had good metrics with a device called HAiRCHECK, you really don't know when you have recovered

Female hair loss (diffuse patterned hair loss) may be caused by a number of different factors, including changes in hormone levels, stress, childbirth, and medications.  Because the causes of diffuse thinning are so varied, an in-person examination is necessary for a proper evaluation. I...

The fact that you have less density in one area means that TE is not the only diagnosis. You could have a component of it but likely AGA is present. See a physician. One should not assume only one diagnosis is present. A persistent telogen effluvium of this nature is unusually in men;...