Trait
Extra teeth
Clinical name: Supernumerary tooth
The presence of one or more teeth additional to the normal number.
Summary
- Also called
- Increased number of teeth, Increased tooth count, More teeth than normal, Supplemental teeth, Hyperdontia, Supernumerary teeth, Supplemental dentition, Tooth, supernumerary
- Body system
- Abnormality of head or neck
Reference genomeGRCh38hg38
Positions on gene and variant pages follow this choice, in this browser.
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Get my Genome Test48 genes linked to Extra teeth
Changes in these genes cause rare conditions in which Extra teeth is seen. Most people with this trait have none of those conditions, and a gene on this list says nothing about anyone's own genome.
| Gene | How often it is seen | Conditions |
|---|---|---|
| C2CD3C2 domain containing 3 centriole elongation regulator | Always | In 2 conditions |
| PTBP1polypyrimidine tract binding protein 1 | Always | In 1 condition |
| RUNX2RUNX family transcription factor 2 | Always | In 2 conditions |
| SLC37A4solute carrier family 37 member 4 | Always | In 1 condition |
| ADAMTS3ADAM metallopeptidase with thrombospondin type 1 motif 3 | Very often (80–99%) | In 1 condition |
| CCBE1collagen and calcium binding EGF domains 1 | Very often (80–99%) | In 1 condition |
| FAT4FAT atypical cadherin 4 | Very often (80–99%) | In 1 condition |
| CDH11cadherin 11 | Often (30–79%) | In 1 condition |
| CHD6chromodomain helicase DNA binding protein 6 | Often (30–79%) | In 1 condition |
| IL11RAinterleukin 11 receptor subunit alpha | Often (30–79%) | In 1 condition |
| NHSNHS actin remodeling regulator | Often (30–79%) | In 1 condition |
| PIGLphosphatidylinositol glycan anchor biosynthesis class L | Often (30–79%) | In 1 condition |
| RPS23ribosomal protein S23 | Often (30–79%) | In 1 condition |
| TRPS1transcriptional repressor GATA binding 1 | Often (30–79%) | In 3 conditions |
| ACSL4acyl-CoA synthetase long chain family member 4 | Sometimes (5–29%) | In 1 condition |
| AMMECR1AMMECR nuclear protein 1 | Sometimes (5–29%) | In 1 condition |
| APCAPC regulator of Wnt signaling pathway | Sometimes (5–29%) | In 2 conditions |
| ATP6V1B2ATPase H+ transporting V1 subunit B2 | Sometimes (5–29%) | In 1 condition |
| CBFBcore-binding factor subunit beta | Sometimes (5–29%) | In 1 condition |
| CREBBPCREB binding lysine acetyltransferase | Sometimes (5–29%) | In 2 conditions |
| DDX59DEAD-box helicase 59 | Sometimes (5–29%) | In 1 condition |
| DHCR77-dehydrocholesterol reductase | Sometimes (5–29%) | In 1 condition |
| DVL1dishevelled segment polarity protein 1 | Sometimes (5–29%) | In 1 condition |
| DVL3dishevelled segment polarity protein 3 | Sometimes (5–29%) | In 1 condition |
| EP300EP300 lysine acetyltransferase | Sometimes (5–29%) | In 1 condition |
| EXT1exostosin glycosyltransferase 1 | Sometimes (5–29%) | In 1 condition |
| FGF3fibroblast growth factor 3 | Sometimes (5–29%) | In 1 condition |
| FZD2frizzled class receptor 2 | Sometimes (5–29%) | In 1 condition |
| HSPG2heparan sulfate proteoglycan 2 | Sometimes (5–29%) | In 1 condition |
| IL6STinterleukin 6 cytokine family signal transducer | Sometimes (5–29%) | In 1 condition |
| KCNE5potassium voltage-gated channel subfamily E regulatory subunit 5 | Sometimes (5–29%) | In 1 condition |
| KCNH1potassium voltage-gated channel subfamily H member 1 | Sometimes (5–29%) | In 1 condition |
| KCNN3potassium calcium-activated channel subfamily N member 3 | Sometimes (5–29%) | In 1 condition |
| KCTD1potassium channel tetramerization domain containing 1 | Sometimes (5–29%) | In 1 condition |
| KRT14keratin 14 | Sometimes (5–29%) | In 1 condition |
| MSX2msh homeobox 2 | Sometimes (5–29%) | In 1 condition |
| NXNnucleoredoxin | Sometimes (5–29%) | In 1 condition |
| RAD21RAD21 cohesin complex component | Sometimes (5–29%) | In 1 condition |
| ROR2ROR family WNT receptor 2 | Sometimes (5–29%) | In 1 condition |
| TCF12transcription factor 12 | Sometimes (5–29%) | In 1 condition |
Show 8 more genes
| Gene | How often it is seen | Conditions |
|---|---|---|
| WNT5AWnt family member 5A | Sometimes (5–29%) | In 1 condition |
| ZFXzinc finger protein X-linked | Sometimes (5–29%) | In 1 condition |
| DYRK1Adual specificity tyrosine phosphorylation regulated kinase 1A | Rarely (1–4%) | In 1 condition |
| FAM20AFAM20A golgi associated secretory pathway pseudokinase | Rarely (1–4%) | In 1 condition |
| BCORBCL6 corepressor | Not recorded | In 1 condition |
| DYNC2LI1dynein cytoplasmic 2 light intermediate chain 1 | Not recorded | In 1 condition |
| OFD1OFD1 centriole and centriolar satellite protein | Not recorded | In 1 condition |
| RECQL4RecQ like helicase 4 | Not recorded | In 1 condition |
How often is among people with one of the gene's conditions, the most often across them, as the Human Phenotype Ontology records it. These pages describe traits and the research behind them; they are not a diagnosis, and a doctor or genetic counsellor is the person to ask about symptoms.
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Where this comes from
- The Human Phenotype Ontology, release 2026-09-01: the trait, its names, its definition and the genes linked to it. Find out more at hpo.jax.org.
- Data release 2026.10.16-c6eea6bf.
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