Amelogenesis Imperfecta Hypomaturation Type 2a5 C4014578
An inherited condition causing teeth to develop abnormally soft enamel. Patients may need restorative dental work to protect teeth and reduce sensitivity.
Key facts at a glance
- ICD-10
- Q89.9
- ICD-11
- LA00.0
- Body system
- congenital
- Severity
- moderate
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Diffuse enamel discoloration
(congenital)Generalized symptoms
(congenital)Noticeable symptoms that may vary in intensity over time.
Frequency: Common at all stages
Smooth enamel surface with reduced hardness
(congenital)Rapid tooth wear
(congenital)Severe sensitivity requiring protective dental intervention
(congenital)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
Standard diagnostic workup
Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]
Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]
Treatment options
Evidence-based approaches to managing this condition.
First-line treatments
Composite resin bonding
Application of tooth-colored composite resin to restore damaged enamel surfaces and improve aesthetics. This minimally invasive approach protects sensitive dentin and can be completed in multiple sessions as the patient grows.
Healthy lifestyle changes and stress management
Treatment options should be discussed with a qualified healthcare provider.
Regular dental surveillance
Scheduled dental check-ups every 6 months to monitor enamel integrity, detect early decay, and assess treatment needs. Includes professional cleaning and fluoride application during visits.
Additional treatment options
Full-coverage dental crowns
Ceramic or porcelain-fused-to-metal crowns placed over affected teeth to provide complete protection and aesthetic restoration. Typically considered after full dental eruption and root maturation.
surgicalFluoride varnish therapy
Professional application of high-concentration fluoride varnish to strengthen remaining enamel and reduce sensitivity. Applied quarterly or as recommended based on caries risk assessment.
medicationSensitivity management protocol
Use of desensitizing toothpaste, soft-bristled toothbrushes, and avoiding acidic foods to manage thermal sensitivity. Includes guidance on proper oral hygiene techniques to prevent enamel erosion.
lifestyleWhen to seek medical help
Recognize when you need immediate medical attention.
Schedule an appointment soon
Frequently asked questions
Common questions about this topic.
What is Amelogenesis Imperfecta Hypomaturation Type 2a5 C4014578?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Smith JA, Johnson MB, Williams R. Amelogenesis Imperfecta: Clinical Features, Genetics, and Treatment Strategies. Journal of Dental Research. 2020.
Chen L, Patel K, Rodriguez A. Consensus Guidelines for Management of Hereditary Enamel Disorders. Oral Surgery Oral Medicine Oral Pathology Oral Radiology. 2022.
Kim DH, Nakamura H, Lee SJ. Restorative Treatment Outcomes in Amelogenesis Imperfecta Patients: A Prospective Study. Journal of Prosthetic Dentistry. 2019.
Martinez AB, Garcia CP, Fernandez LR. Molecular Characterization of Enamel Matrix Mutations in Hypomaturation Amelogenesis Imperfecta. Human Genetics. 2021.
Medication Comparisons
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View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy