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Gemination

MedGen UID:
539642
•Concept ID:
C0266033
•
Congenital Abnormality
Synonyms: Gemination double tooth; Gemination of crown of teeth; Gemination of teeth; Gemination of tooth; Splitting of crown of tooth; Twinning of teeth
SNOMED CT: Gemination of tooth (1163408002); Gemination double tooth (1163408002); Gemination of teeth (40273006); Gemination of crown of teeth (40273006); Twinning of teeth (40273006)
 
HPO: HP:0011091

Definition

The development of two teeth from a single tooth bud, leading to a larger fused tooth. [from HPO]

Term Hierarchy

CClinical test,  RResearch test,  OOMIM,  GGeneReviews,  VClinVar  
  • CROGVGemination

Professional guidelines

PubMed

Fused and Geminated Permanent Maxillary Central Incisors: Prevalence, Treatment Options, and Outcome in Orthodontic Patients.
Finkelstein T, Shapira Y, Bechor N, Shpack N
J Dent Child (Chic) 2015 Sep-Dec;82(3):147-52. PMID: 26731250

Recent clinical studies

Therapy

Association between Dental Anomalies and Orofacial Clefts: A Meta-analysis.
Marzouk T, Alves IL, Wong CL, DeLucia L, McKinney CM, Pendleton C, Howe BJ, Marazita ML, Peter TK, Kopycka-Kedzierawski DT, Morrison CS, Malmstrom H, Wang H, Shope ET
JDR Clin Trans Res 2021 Oct;6(4):368-381. Epub 2020 Oct 8 doi: 10.1177/2380084420964795. PMID: 33030085Free PMC Article
Fusion of central incisors with supernumerary teeth: a 10-year follow-up of multidisciplinary treatment.
Steinbock N, Wigler R, Kaufman AY, Lin S, Abu-El Naaj I, Aizenbud D
J Endod 2014 Jul;40(7):1020-4. Epub 2014 Jan 10 doi: 10.1016/j.joen.2013.12.004. PMID: 24935556
Treatment of a fused/geminated tooth: a multidisciplinary conservative approach.
Oelgiesser D, Zyc R, Evron D, Kaplansky G, Levin L
Quintessence Int 2013 Jul;44(7):531-3. doi: 10.3290/j.qi.a29506. PMID: 23534048
A maxillary lateral incisor with four root canals.
Kottoor J, Murugesan R, Albuquerque DV
Int Endod J 2012 Apr;45(4):393-7. Epub 2011 Nov 4 doi: 10.1111/j.1365-2591.2011.01984.x. PMID: 22050710
Prevalence of congenital dental anomalies in the primary dentition in Taiwan.
Chen YH, Cheng NC, Wang YB, Yang CY
Pediatr Dent 2010 Nov-Dec;32(7):525-9. PMID: 21462766

Prognosis

Exploring Variability in Compound Tensification in Seoul Korean.
Jeon HS
Lang Speech 2023 Mar;66(1):214-245. Epub 2022 Jun 3 doi: 10.1177/00238309221095479. PMID: 35657333Free PMC Article
Acoustic and Kinematic Correlates of Heterosyllabicity in Different Phonological Contexts.
Celata C, Meluzzi C, Bertini C
Lang Speech 2022 Sep;65(3):755-780. Epub 2022 Jan 8 doi: 10.1177/00238309211065789. PMID: 35000478
'Triplication' defect in deciduous teeth: an unusual odontogenic anomaly.
Shanthraj SL, Mallikarjun SB, Kiran S, Wilson B
BMJ Case Rep 2015 Mar 5;2015 doi: 10.1136/bcr-2014-205185. PMID: 25743857Free PMC Article
Fusion of central incisors with supernumerary teeth: a 10-year follow-up of multidisciplinary treatment.
Steinbock N, Wigler R, Kaufman AY, Lin S, Abu-El Naaj I, Aizenbud D
J Endod 2014 Jul;40(7):1020-4. Epub 2014 Jan 10 doi: 10.1016/j.joen.2013.12.004. PMID: 24935556
Mesiodentes: incidence, morphology, etiology.
Stellzig A, Basdra EK, Komposch G
J Orofac Orthop 1997;58(3):144-53. doi: 10.1007/BF02676545. PMID: 9200890

Clinical prediction guides

Is there an association between molar incisor hypomineralization and developmental dental anomalies? A case-control study.
Şen Yavuz B, Sezer B, Kaya R, Tuğcu N, Kargül B
BMC Oral Health 2023 Oct 21;23(1):776. doi: 10.1186/s12903-023-03540-8. PMID: 37865729Free PMC Article
Exploring Variability in Compound Tensification in Seoul Korean.
Jeon HS
Lang Speech 2023 Mar;66(1):214-245. Epub 2022 Jun 3 doi: 10.1177/00238309221095479. PMID: 35657333Free PMC Article
Acoustic and Kinematic Correlates of Heterosyllabicity in Different Phonological Contexts.
Celata C, Meluzzi C, Bertini C
Lang Speech 2022 Sep;65(3):755-780. Epub 2022 Jan 8 doi: 10.1177/00238309211065789. PMID: 35000478
Association between Dental Anomalies and Orofacial Clefts: A Meta-analysis.
Marzouk T, Alves IL, Wong CL, DeLucia L, McKinney CM, Pendleton C, Howe BJ, Marazita ML, Peter TK, Kopycka-Kedzierawski DT, Morrison CS, Malmstrom H, Wang H, Shope ET
JDR Clin Trans Res 2021 Oct;6(4):368-381. Epub 2020 Oct 8 doi: 10.1177/2380084420964795. PMID: 33030085Free PMC Article
Coincidence of Fusion and Concrescence in Mandibular Deciduous Incisors: A Case Report.
Meisha DE
J Contemp Dent Pract 2019 Dec 1;20(12):1466-1469. PMID: 32381851

Recent systematic reviews

Atypical Radicular Anatomy in Permanent Human Teeth: A Systematic Review.
Nino-Barrera J, Alzate-Mendoza D, Olaya-Abril C, Gamboa-Martinez LF, Guamán-Laverde M, Lagos-Rosero N, Romero-Diaz AC, Duran N, Vanegas-Hoyose L
Crit Rev Biomed Eng 2022;50(1):19-34. doi: 10.1615/CritRevBiomedEng.2022043742. PMID: 35997108
Association between Dental Anomalies and Orofacial Clefts: A Meta-analysis.
Marzouk T, Alves IL, Wong CL, DeLucia L, McKinney CM, Pendleton C, Howe BJ, Marazita ML, Peter TK, Kopycka-Kedzierawski DT, Morrison CS, Malmstrom H, Wang H, Shope ET
JDR Clin Trans Res 2021 Oct;6(4):368-381. Epub 2020 Oct 8 doi: 10.1177/2380084420964795. PMID: 33030085Free PMC Article

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