raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:2287

Fused mandibular incisors

Type
Morphological anomaly
Group
Disorder
Age of onset
Adolescent, Adult, Childhood
Status
active

Fused manidbular incisors is an extremely rare dental anomaly that is characterized by the union of two, normally separated, incisor tooth germs of the primary dentition. It is frequently associated with hypodontia and an increased risk of pulp exposure.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enFused mandibular incisors
frFusion des incisives mandibulaires
deFusionierte mandibuläre InzisorenVerschmelzung der Schneidezähne im Unterkiefer
esFusión de incisivos mandibulares
itFusione degli incisivi mandibolari
nlGefuseerde mandibulaire snijtanden
ptFusão dos incisivos mandibulares
plZlane siekacze żuchwy
csSpojené řezáky dolní čelisti
ukЗрощені різці нижньої щелепи
zh下颌切牙融合
trKaynaşmış mandibular kesici dişler

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM147251Evalidated
ICD-10K00.2NTBTattributedvalidated
ICD-11LA30.4NTBTindexvalidated
MONDO0007820Evalidated
UMLSC3494175Evalidated
GARD2419Evalidated

E exact · NTBT this ORPHAcode is narrower than the target · BTNT broader than the target · ND not decided.

3

Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (2):

No children.

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

1 record
TypeClassValueAreaQualificationValidationSource
Point prevalenceUnknown—WorldwideClass onlyValidatedORPHANET

Value is Orphadata's ValMoy: the mean estimate per 100 000 for prevalence and incidence, the number of cases or families for case reports.

6

HPO phenotypes

2 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0000164Abnormality of the dentition
HP:0006288Advanced eruption of teeth

Run the differential on the 2 obligate / very frequent terms

7

Sources for this card