{
  "url": "https://dantelabs.com/traits/increased-overbite",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "increased-overbite",
    "id": "HP:0011094",
    "name": "Deep bite",
    "label": "Increased overbite",
    "definition": "Maxillary teeth cover the mandibular teeth when biting to an increased degree. The feature is defined as a vertical overlap of the maxillary incisors over the mandibular incisors that exceeds 2 mm.",
    "synonyms": [
      "Deep overbite",
      "Overbite",
      "Scissors bite",
      "Increased overlap of upper and lower incisors",
      "Supraocclusion"
    ],
    "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": "tooth-malposition",
        "name": "Abnormal dental position",
        "url": "https://dantelabs.com/traits/tooth-malposition"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "itpr1",
        "symbol": "ITPR1",
        "hgnc": "HGNC:6180",
        "name": "inositol 1,4,5-trisphosphate receptor type 1",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/itpr1"
      },
      {
        "slug": "mymx",
        "symbol": "MYMX",
        "hgnc": "HGNC:52391",
        "name": "myomixer, myoblast fusion factor",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/mymx"
      },
      {
        "slug": "taf4",
        "symbol": "TAF4",
        "hgnc": "HGNC:11537",
        "name": "TATA-box binding protein associated factor 4",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/taf4"
      },
      {
        "slug": "hivep2",
        "symbol": "HIVEP2",
        "hgnc": "HGNC:4921",
        "name": "HIVEP zinc finger 2",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/hivep2"
      },
      {
        "slug": "nsd1",
        "symbol": "NSD1",
        "hgnc": "HGNC:14234",
        "name": "nuclear receptor binding SET domain protein 1",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/nsd1"
      },
      {
        "slug": "prr12",
        "symbol": "PRR12",
        "hgnc": "HGNC:29217",
        "name": "proline rich 12",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/prr12"
      },
      {
        "slug": "sel1l",
        "symbol": "SEL1L",
        "hgnc": "HGNC:10717",
        "name": "SEL1L adaptor subunit of SYVN1 ubiquitin ligase",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/sel1l"
      },
      {
        "slug": "spart",
        "symbol": "SPART",
        "hgnc": "HGNC:18514",
        "name": "spartin",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/spart"
      },
      {
        "slug": "alkbh8",
        "symbol": "ALKBH8",
        "hgnc": "HGNC:25189",
        "name": "alkB homolog 8, tRNA methyltransferase",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/alkbh8"
      },
      {
        "slug": "grb10",
        "symbol": "GRB10",
        "hgnc": "HGNC:4564",
        "name": "growth factor receptor bound protein 10",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/grb10"
      },
      {
        "slug": "gtf3c3",
        "symbol": "GTF3C3",
        "hgnc": "HGNC:4666",
        "name": "general transcription factor IIIC subunit 3",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/gtf3c3"
      },
      {
        "slug": "ric1",
        "symbol": "RIC1",
        "hgnc": "HGNC:17686",
        "name": "RIC1 partner of RAB6A GEF complex",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ric1"
      },
      {
        "slug": "ppp2r5c",
        "symbol": "PPP2R5C",
        "hgnc": "HGNC:9311",
        "name": "protein phosphatase 2 regulatory subunit B'gamma",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ppp2r5c"
      },
      {
        "slug": "ep300",
        "symbol": "EP300",
        "hgnc": "HGNC:3373",
        "name": "EP300 lysine acetyltransferase",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ep300"
      },
      {
        "slug": "eya1",
        "symbol": "EYA1",
        "hgnc": "HGNC:3519",
        "name": "EYA transcriptional coactivator and phosphatase 1",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/eya1"
      },
      {
        "slug": "six1",
        "symbol": "SIX1",
        "hgnc": "HGNC:10887",
        "name": "SIX homeobox 1",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/six1"
      }
    ]
  }
}