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Tooth agenesis, selective, 3(STHAG3)

MedGen UID:
410035
Concept ID:
C1970291
Disease or Syndrome
Synonyms: HYPODONTIA/OLIGODONTIA 3; STHAG3
 
Gene (location): PAX9 (14q13.3)
 
Monarch Initiative: MONDO:0011477
OMIM®: 604625

Definition

Any tooth agenesis in which the cause of the disease is a mutation in the PAX9 gene. [from MONDO]

Clinical features

From HPO
Microdontia
MedGen UID:
66008
Concept ID:
C0240340
Congenital Abnormality
Decreased size of the teeth, which can be defined as a mesiodistal tooth diameter (width) more than 2 SD below mean. Alternatively, an apparently decreased maximum width of tooth.
Oligodontia of primary teeth
MedGen UID:
868598
Concept ID:
C4022997
Finding
Reduced number of primary teeth.
Agenesis of permanent molar
MedGen UID:
869143
Concept ID:
C4023563
Finding
Agenesis of secondary molar tooth.
Oligodontia
MedGen UID:
904670
Concept ID:
C4082304
Congenital Abnormality
The absence of six or more teeth from the normal series by a failure to develop.
Anhidrosis
MedGen UID:
1550
Concept ID:
C0003028
Disease or Syndrome
Inability to sweat.
Abnormal hair morphology
MedGen UID:
56381
Concept ID:
C0157733
Finding
An abnormality of the hair.
Abnormal fingernail morphology
MedGen UID:
867411
Concept ID:
C4021782
Anatomical Abnormality
An abnormality of the fingernails.
Abnormal skin morphology
MedGen UID:
869110
Concept ID:
C4023528
Anatomical Abnormality
Any morphological abnormality of the skin.

Professional guidelines

PubMed

Guo X, Duan X
Clin Genet 2023 Sep;104(3):287-297. Epub 2023 Jul 13 doi: 10.1111/cge.14400. PMID: 37448157
Blanchet I, Camoin A, Tardieu C, Jacquot B
J Clin Pediatr Dent 2023 Jan;47(1):17-26. Epub 2023 Jan 3 doi: 10.22514/jocpd.2022.015. PMID: 36627216
Costa FS, Silveira ER, Pinto GS, Nascimento GG, Thomson WM, Demarco FF
J Dent 2017 May;60:1-7. Epub 2017 Mar 24 doi: 10.1016/j.jdent.2017.03.006. PMID: 28347809

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