Fig 1.
Flow diagram of databases searched and articles included in the noma scoping review.
Fig 2.
Map of location of noma studies published from 2000 to 2021 included in this review [6–9,14,16,78–150] (green dot represents at least one study in that country) (Created using Datawrapper, basemap: https://datawrapper.dwcdn.net/RE1zh/1/).
Table 1.
Risk factors for noma identified in primary research.
Fig 3.
Comorbidities associated with noma in case reports and case series (N = 103).
Table 2.
Microorganisms found in the oral flora of noma patients by year.
Table 3.
Mortality reported in included studies.