Analysis of the Morphology, Rheology, and Clinical Applicability of a Hybrid Injectable with Hyaluronic Acid and Hydroxyapatite.

Background: Treating signs of aging requires skeletal restructuring, facial contour redefinition, and sagging skin treatment. Hence, HarmonyCa® was recently introduced in the market, combining hyaluronic acid and hydroxyapatite. However, there are no studies evaluating the physicochemical properties of this material.

Is interdental papilla filling using hyaluronic acid a stable approach to treat black triangles? A systematic review.

Purpose: To evaluate the stability of interdental papilla filling using hyaluronic acid (HA) to treat black triangles in esthetic regions.

Methods: The protocol was registered in PROSPERO. Six databases (PubMed, Scopus, Embase, Lilacs, SciELO, and Web of Science) were used as primary search sources, and OpenGrey and OpenThesis were used to capture the "gray literature.