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Bacteria travel down to the root tip, forming a periapical abscess . 2. Spreading Locally: Loco-regional Complications

If untreated, the pulp dies (necrosis), creating a reservoir for bacteria.

Infections d'origine dentaire : Complications loco-régionales

The journey often begins with a seemingly minor issue: a (cavity) or parodontite (gum disease).

Once the infection breaks through the bone surrounding the tooth, it can spread to nearby tissues:

Bacteria erode the hard enamel and reach the pulp , the soft center containing nerves and blood vessels.