| Namespace | MPheno.ontology | Obsolete | false |
| description | any structural anomaly of the acellular layer of cementum, a living tissue that does not incorporate cells (cementocytes) into its structure, consisting only of extracellular matrix components and mineral; acellular cementum is the first cementum deposited on the dentin of the forming root, and is predominantly found on the cervical/coronal portion of the tooth root; it anchors the primary collagen fibers of the periodontal ligament, providing a strong attachment between the tooth and surrounding alveolar bone |
