case_images: PMC6533965_01
case_images: First week of ICU admission (marginal and attached gingiva
  necrosis).
case_images: 2175-8239-jbn-3812-gf01.jpg
case_images: PMC6533965_01_2175-8239-jbn-3812-gf01.jpg
case_images: f1
case_images: After a few days of hospitalization, the entire length of the marginal and attached gingiva, both on the buccal and palatal sides, showed white coloration suggestive of necrosis (Figure 1).
case_images: Aspect of the upper arch after the first cycle of systemic antibiotic
  therapy (elimination of gingival necrosis)
case_images: 2175-8239-jbn-3812-gf02.jpg
case_images: PMC6533965_01_2175-8239-jbn-3812-gf02.jpg
case_images: f2
case_images: A hard tissue with bone appearance was present in the remaining normal gingiva, but presented as a fragile structure (Figure 2). There was clinical insertion loss but without periodontal pockets (Figure 2).
case_images: Panoramic radiograph showing bone loss, especially between permanent
  incisors and molars.
case_images: 2175-8239-jbn-3812-gf03.jpg
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case_images: f3
case_images: Pathological tooth mobility was present as well as bone loss especially between the first permanent molars and incisors both in the upper and lower jaws (Figure 3).
case_images: Appearance after supragingival scraping, use of 0.12% chlorhexidine
  and second cycle of systemic antibiotic therapy.
case_images: 2175-8239-jbn-3812-gf04.jpg
case_images: PMC6533965_01_2175-8239-jbn-3812-gf04.jpg
case_images: f4
case_images: After biopsy of the gingival tissue and the exposed hard tissue, the presence of inflammatory hyperplastic gingivitis was confirmed and the hard tissue was confirmed as bone tissue (Figures 4 and 5).
case_images: Bone alterations.
case_images: 2175-8239-jbn-3812-gf05.jpg
case_images: PMC6533965_01_2175-8239-jbn-3812-gf05.jpg
case_images: f5
case_images: After biopsy of the gingival tissue and the exposed hard tissue, the presence of inflammatory hyperplastic gingivitis was confirmed and the hard tissue was confirmed as bone tissue (Figures 4 and 5).
case_images: Bone lesion and loose teeth surgically removed.
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case_images: f6
case_images: The collected material was sent for histopathology and culture examinations (Figure 6).
case_images: Appearance 15 days after surgery.
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case_images: PMC6533965_01_2175-8239-jbn-3812-gf07.jpg
case_images: f7
case_images: Fifteen days later, the patient had significant oral health improvement (Figure 7).