Oral Health Fact Sheet for Medical Professionals Treating Children with Down Syndrome (Trisomy 21)
Down syndrome is a chromosome disorder associated with an extra chromosome (Trisomy 21) resulting in intellectual disability and specific physical features. (ICD-9 code 758)
Oral Manifestations and Considerations
Oral
- Early onset severe periodontal disease (most significant oral health problem)
- Lower prevalence of dental caries
- Delayed eruption of permanent teeth, malocclusion
- Congenitally missing and malformed teeth are common
- Hypoplasia of mid-facial region
- Hypodontia, microdontia
- Macroglossia, fissured and protruding tongue
- Tongue thrust, bruxism, clenching, mouth breathing
Other Potential Disorders/Concerns
- Epilepsy
- Cardiac defects
- Atlantoaxial instability (fragility of cervical vertebrae/spinal cord)
- Compromised immune system
- Sleep apnea
- Increased risk of leukemia
- Hearing loss
- Vision problems
- Hypothyroidism
Oral Side Effects of Commonly Prescribed Medications
SYMPTOM | MEDICATION | SIDE EFFECTS |
---|---|---|
Seizures | Anti-convulsants (Dilantin) | Gingival hyperplasia |
Hypertension | Calcium channel blockers | Xerostomia |
Parent/Caregiver Support and Anticipatory Guidance
- Discuss with parents if antibiotics are needed for dental treatment.
- Discourage consumption of cariogenic foods and beverages.
- Prescribe sugar-free medications, if available.
- Recommend preventive measures, such as topical fluoride and sealants.
- Advise the use of fluoridated toothpaste twice daily and support the family in following dental care instructions.
- Instruct caregiver on appropriate protocol following dental trauma (locate/preserve missing tooth and put in cold milk; seek immediate professional care).
- Review safety issues appropriate to the age of the child, such as mouth guards to prevent oral-facial trauma.
- Recommend rinsing with water thoroughly after taking each dose of sugar containing medication and frequent water intake for patients taking xerostomic medication.
- Discuss habits that may harm the child’s teeth, such as propping baby bottles, putting child to bed with bottle.
- Refer to dentist any oral developmental abnormalities.
References
- Hennequin M, Faulks D, Veyrune JL, Bourdiol P. (1999) Significance of oral health in persons with Down syndrome: a literature review. Dev Med Child Neurol. 41(4):275-83.
- Fiske, J., and Shafik, H. (2001) Down ’s syndrome and Oral Care. Dent Update, 28(3): 148-156.
- Morgan, J. (2007) Why is periodontal disease more prevalent and more severe in people with Down syndrome? Special Care Dentist, 27(5):196-201.
Additional Resources
- NIH Institute for Down Syndrome
- Special Care: an Oral Health Professionals Guide to Serving Young Children with Special Health Care Needs
- Bright Futures Oral Health Pocket Guide
- American Academy of Pediatric Dentistry: 2011–2012 Definitions, Oral Health Policies and Clinical Guidelines
- MCH Resource Center
- ASTDD – Special Needs
- Block Oral Disease, MA
- Free of charge CDE courses: MCH Oral Health CDE (4 CDE hours) NIDCR CDE (2 CDE hours)

Permission is given to reproduce this fact sheet. Oral Health Fact Sheets for Patients with Special Needs © 2011 by University of Washington and Washington State Oral Health Program.

Fact sheets developed by the University of Washington DECOD (Dental Education in the Care of Persons with Disabilities) Program through funding provided to the Washington State Department of Health Oral Health Program by HRSA grant #H47MC08598).

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