{
  "id": 3490,
  "label": "chronic apical periodontitis",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0001251",
  "properties": {
    "xrefs": [
      "DOID:11269",
      "ICD10CM:K04.5",
      "ICD9:522.6",
      "MEDGEN:581135",
      "SCTID:718052004",
      "UMLS:C0392492",
      "icd11.foundation:1079140240"
    ],
    "synonyms": [
      "chronic periapical periodontitis",
      "periapical periodontitis, chronic"
    ],
    "categories": [
      {
        "ref": "MONDO:0002081",
        "name": "musculoskeletal system disorder"
      }
    ],
    "definition": "Chronic form of periapical periodontitis."
  },
  "isLeaf": true,
  "isRoot": false,
  "child_count": 0,
  "parents": [
    {
      "id": 6310,
      "label": "periapical periodontitis",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        6804
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:823",
          "EFO:1001391",
          "MEDGEN:45396",
          "MESH:D010485",
          "SCTID:39273001",
          "UMLS:C0031030",
          "icd11.foundation:1395124674"
        ],
        "categories": [
          {
            "ref": "MONDO:0002081",
            "name": "musculoskeletal system disorder"
          }
        ],
        "definition": "Inflammation of the periapical tissue. It includes general, unspecified, or acute nonsuppurative inflammation. Chronic nonsuppurative inflammation is periapical granuloma. Suppurative inflammation is periapical abscess."
      },
      "child_count": 4,
      "reference_id": "MONDO:0004508"
    },
    {
      "id": 7237,
      "label": "chronic periodontitis",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        6804
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "EFO:0006343",
          "ICD10CM:K05.3",
          "ICD9:523.4",
          "ICD9:523.40",
          "MESH:D055113",
          "NCIT:C35326",
          "SCTID:5689008",
          "icd11.foundation:1242548497"
        ],
        "synonyms": [
          "periodontitis, chronic"
        ],
        "categories": [
          {
            "ref": "MONDO:0002081",
            "name": "musculoskeletal system disorder"
          }
        ],
        "definition": "A chronic inflammatory process that affects the tissues that surround and support the teeth."
      },
      "child_count": 3,
      "reference_id": "MONDO:0005593"
    }
  ],
  "children": [],
  "roots": [
    {
      "id": 6310,
      "label": "periapical periodontitis"
    },
    {
      "id": 7237,
      "label": "chronic periodontitis"
    }
  ]
}