Gingivitis
BACTERIAL PLAQUE is the primary etiological factor of periodontal inflammation (Löe et al. 1965, Lindhe
et al. 1975).
GINGIVITIS is a marginal inflammation of the gingiva.
PERIODONTITIS, (often commonly defined “pyorrhea”), is, instead, an inflammation that involves both
the gingiva and the deep support apparatus of the tooth.
The intensity of Gingivitis and Periodontitis is determined by the quantity and quality of the bacteria
that cause the disease.

Even if the gingiva is HEALTHY, as plaque accumulates, there may be signs of Gingivitis of varying
intensity.
GINGIVITIS may be classified into 3 types:
SLIGHT GINGIVITIS - characterized by slight
bleeding after probing.
This hemorrhage is caused by the probe that
passes through the damaged Epithelial Junction
and penetrates into the connective tissue, which
contains many blood vessels.
MODERATE GINGIVITIS - characterized by profuse
bleeding on probing and also erythema and
swelling.
The “orange peel” like appearance may disappear.
SEVERE GINGIVITIS - characterized by spontaneous
bleeding even without probing, and a lot
of redness and swelling.
In severe Gingivitis, with edematous enlargement
of the tissue, a PSEUDOPOCKET may form,
that is a gingival hyperplasia. It is not a real pocket,
but just an increase in the height of the
gingiva in the coronal direction.
Good oral hygiene and appropriate plaque and calculus removal make Gingivitis reversible.
Therefore, it is very important that the patient be motivated and instructed in plaque control, and
subjected to supra and sub-gingival scaling.
If the inflammation is allowed to progress gradually, it may invade the deeper periodontal tissues and
give origin to Periodontitis.
IN FACT, PERIODONTITIS ALWAYS DEVELOPS FROM A PRE EXISTENT GINGIVITIS, BUT GINGIVITIS DOES
NOT ALWAYS DEGENERATE INTO PERIODONTAL DISEASE.
The quantity and the virulence of the bacteria on the one side, and the host’s defense mechanisms on
the other, determine the progression of both the inflammatory activity and the Periodontal disease.