Hyaluronic acid (HA) plays a significant role in periodontal therapy due to its anti-inflammatory, wound-healing, and tissue-regenerative properties. In periodontics, HA is used as an adjunct to scaling and root planing (SRP) to reduce gingival inflammation, promote periodontal tissue repair, and inhibit bacterial growth. Its viscoelastic properties aid in forming a protective barrier, while its ability to modulate immune responses helps in reducing pocket depth and improving clinical attachment levels.