case_images: PMC5303834_01
case_images: After local anaesthetic self-inflicted trauma to the lower lip.
case_images: CRID2017-4969484.001.jpg
case_images: PMC5303834_01_CRID2017-4969484.001.jpg
case_images: fig1
case_images: This gradually resulted in tissue trauma as shown in Figure 1.