Adverse reactions to the injection of face and neck aesthetic filling materials: a systematic review.

Background: Adverse reactions, caused during the inflammation and healing process, or even later, can be induced by the injection of dermal filler and can present a variety of clinical and histological characteristics. In this study we aimed to review the adverse reactions associated with the injection of aesthetic filling materials in the face and neck.

Material And Methods: The review was reported according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses checklist.