Oral health (gingivitis, periodontitis) influences the occurrence and the healing process of oral mucositis in patients with haematological disorders who are given high-dose chemotherapy.

As part of non-surgical periodontal treatment, the additional use of air-polishing treatment could be beneficial for deep baseline probing pocket depths (≥ 5.5 mm) in particular.

Based on the available literature, the smoking of e-cigarettes seems to have a slightly less negative effect on periodontal health compared to traditional cigarettes.

Patients with inflammatory bowel disease have a higher risk of oral diseases (periodontitis and tooth loss) and these diseases appear in turn to increase the degree of activity of inflammatory bowel disease.