RESULTS: Chemical, physical, and thermal gingival injuries of iatrogenic, accidental, or factitious origin can have a variety of presentations with overlapping clinical features. Although the ...

The causes of receding gums are brushing the teeth very vigorously, gum injury, periodontal disease, smoking, tobacco chewing ...

And they advise people to use a soft-bristled toothbrush and apply gentle pressure - steps that should lower the risk of gingival injury.