Traces of toothbrush filaments on the gingival epithelium after toothbrushing and massage of the gingiva.
D005881:Gingiva / Q000293:injuries* / Q000648:ultrastructure; D006801:Humans; D008405:Massage / Q000009:adverse effects*; D008855:Microscopy, Electron, Scanning; D014099:Toothbrushing / Q000009:adverse effects*