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Tooth agenesis in patients referred to an Irish tertiary care clinic for the developmental dental disorders.
Hashem, Atef A O'Connell, Brian Nunn, June O'Connell, Anne Garvey, Therese O'Sullivan, Michael
Hashem, Atef A
O'Connell, Brian
Nunn, June
O'Connell, Anne
Garvey, Therese
O'Sullivan, Michael
Advisors
Editors
Other Contributors
Date
2010
Date Submitted
Keywords
Other Subjects
Subject Mesh
Adolescent
Adult
Anodontia
Bicuspid
Child
Databases, Factual
Dental Care for Chronically Ill
Female
Humans
Ireland
Male
Middle Aged
Prevalence
Referral and Consultation
Sex Ratio
Young Adult
Adult
Anodontia
Bicuspid
Child
Databases, Factual
Dental Care for Chronically Ill
Female
Humans
Ireland
Male
Middle Aged
Prevalence
Referral and Consultation
Sex Ratio
Young Adult
Planned Date
Start Date
Collaborators
Principal Investigators
Files
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ToothAgenesis.pdf
Adobe PDF, 346.34 KB
Alternative Titles
Publisher
Abstract
PURPOSE: This study was carried out to determine the prevalence, severity and pattern of hypodontia in Irish patients referred to a tertiary care clinic for developmental dental disorders. MATERIALS AND METHODS: Details of 168 patients with hypodontia referred during the period 2002-2006 were entered in a database designed as a national record. Tooth charting was completed using clinical and radiographic examinations. The age of patients ranged from 7-50 years, with a median age of 20 years (Mean: 21.79; SD: 8.005). RESULTS: Hypodontia referrals constituted 65.5% of the total referrals. Females were more commonly affected than males with a ratio of 1.3:1. The number of referrals reflected the population density in this area; the majority were referrals from the public dental service. Mandibular second premolars were the most commonly missing teeth, followed by maxillary second premolars and maxillary lateral incisors; maxillary central incisors were the least affected. Symmetry of tooth agenesis between the right and left sides was an evident feature. Slightly more teeth were missing on the left side (n = 725) than on the right side (n = 706) and in the maxillary arch (n = 768) as compared to the mandibular arch (n = 663). Some 54% of patients had severe hypodontia with more than six teeth missing; 32% had moderate hypodontia, with four to six teeth missing. The most common pattern of tooth agenesis was four missing teeth. CONCLUSION: Hypodontia was a common presentation in a population referred to this tertiary care clinic. The pattern and distribution of tooth agenesis in Irish patients appears to follow the patterns reported in the literature.
Language
en
ISSN
0021-1133
eISSN
ISBN
DOI
PMID
20337142