a periodontal disease that is restricted to the gums is an inflammation called
Periodontitis Periodontitis, also known as gum disease and pyorrhea, is a set of inflammatory diseases affecting the tissues surrounding the teeth. Periodontitis involves progressive loss of the alveolar bone around the teeth, and if left untreated, can lead to the loosening and subsequent loss of teeth.
1 + 2 + 3 + 4 + ⋯ which increases without bound as n goes to infinity. Because the sequence of partial sums fails to converge to a finite limit, the series does not have a sum.
My Ántonia
Marcus Álvarez