# The Oral Health and Disease Ontology (OHD)

> The Oral Health and Disease Ontology is intended as a BFO and OBO Foundry compliant ontology for...

- Page: https://library.schematica.io/model/4fe49ad43d964608907025bdd2457904
- Model type: Ontology
- License: CC BY 4.0
- Access type: Free
- Access method: Download
- Model size: Mid
- Formats: OWL
- External link: https://bioportal.bioontology.org/ontologies/OHD
- Contact: Bill Duncan (wdduncan@gmail.com)
- Listed in library: 2025-06-12
- Last updated: 2024-06-28

## Description

## Ontology Info

| Field | Value |
|-------|-------|
| Acronyme | OHD |
| Description | The Oral Health and Disease Ontology is intended as a BFO and OBO Foundry compliant ontology for the oral health domain. It is currently used to represent the content of dental practice health records and is intended to be further developed for use in translation medicine. It demonstrates a principled split between billing codes as information entities and what the codes are about, such as dental procedures, materials, and patients.<br><br>OHD is structured using BFO uses terms from OGMS, OBI, IAO and FMA. In addition it uses terms from CARO, OMRSE, NCBITaxon, and a subset of terms from the Current Dental Terminology (CDT)<br><br>OHD is in early development and subject to change without notice. |
| Format | OWL |
| Categories | Health |
| Groups | OBO Foundry |

## Metrics

| Metric | Value |
|--------|-------|
| Classes | 2,910 |
| Individuals | 89 |
| Properties | 91 |
| Max Depth | 19 |
| Max Child Count | 546 |
| Average Child Count | 3 |
| Classes With One Child | 128 |
| Classes With More Than 25 Children | 6 |
| Classes With No Definition | 2,352 |

## Projects using OHD

No projects using OHD

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Source: https://library.schematica.io/model/4fe49ad43d964608907025bdd2457904