{
  "url": "https://dantelabs.com/traits/talon-cusp",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "talon-cusp",
    "id": "HP:0011087",
    "name": "Extra cusp on inside of front tooth",
    "label": "Talon cusp",
    "definition": "Talon cusp is an accessory cusp located near the cingulum (the portion of the lingual or palatal aspect of the tooth that forms a convex protuberance at the cervical third of the anatomic crown).",
    "synonyms": [
      "Dens evaginatus",
      "Talon cusps"
    ],
    "systems": [
      {
        "slug": "abnormality-of-head-or-neck",
        "name": "Abnormality of head or neck",
        "url": "https://dantelabs.com/traits/abnormality-of-head-or-neck"
      }
    ],
    "broader": [
      {
        "slug": "supernumerary-cusp",
        "name": "Supernumerary cusp",
        "url": "https://dantelabs.com/traits/supernumerary-cusp"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "crebbp",
        "symbol": "CREBBP",
        "hgnc": "HGNC:2348",
        "name": "CREB binding lysine acetyltransferase",
        "frequency": "obligate",
        "diseases": 3,
        "url": "https://dantelabs.com/genes/crebbp"
      },
      {
        "slug": "ep300",
        "symbol": "EP300",
        "hgnc": "HGNC:3373",
        "name": "EP300 lysine acetyltransferase",
        "frequency": "obligate",
        "diseases": 3,
        "url": "https://dantelabs.com/genes/ep300"
      },
      {
        "slug": "chsy1",
        "symbol": "CHSY1",
        "hgnc": "HGNC:17198",
        "name": "chondroitin sulfate synthase 1",
        "frequency": "frequent",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/chsy1"
      },
      {
        "slug": "nek1",
        "symbol": "NEK1",
        "hgnc": "HGNC:7744",
        "name": "NIMA related kinase 1",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/nek1"
      }
    ]
  }
}