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Amelogenesis Imperfecta Hypomaturation Type 2a3 C2750771

Published: July 22, 2026Updated: August 25, 2026

This is a genetic tooth enamel disorder where enamel fails to mature properly. It leads to weak, discolored teeth. Treatment includes crowns and other dental restorations.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 25, 2026Editorial policy

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.

Generalized symptoms

(congenital)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Yellow-brown tooth discoloration

(congenital)

Enamel opacities

(congenital)

Tooth sensitivity to temperature changes

(congenital)

Enamel chips or fractures under normal mastication

(congenital)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

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

1

Exercise prescription and weight management

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
2

Resin Infiltration Technique

Minimally invasive treatment using low-viscosity resin infiltrated into porous enamel to improve aesthetics and strengthen tooth structure. Particularly effective for hypomaturation AI with subsurface lesions.

procedure
3

Enamel Hardness Monitoring

Periodic assessment of enamel surface hardness and integrity to track disease progression and guide timing of restorative interventions. May include microhardness testing.

monitoring

Additional treatment options

Zirconia Crowns

Metal-free zirconia crowns providing excellent durability and aesthetics for anterior and posterior teeth affected by hypomaturation AI. Offers biocompatibility and resistance to wear.

surgical

Enamel Protection During Activities

Use of custom protective mouthguards during sports and avoidance of abrasive dental products. Includes guidance on managing tooth sensitivity common in hypomaturation types.

lifestyle

Remineralization Support

Adjunctive use of calcium phosphate products such as casein phosphopeptide-amorphous calcium phosphate to support natural remineralization of affected enamel. Complements restorative treatments.

complementary

When to seek medical help

Recognize when you need immediate medical attention.

Schedule an appointment soon

Symptoms associated with this condition. Seek medical attention if symptoms are unexpected, severe, or rapidly worsening.- Contact your healthcare provider if symptoms persist or worsen. Seek emergency care for sudden severe symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Amelogenesis Imperfecta Hypomaturation Type 2a3 C2750771?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Sources and references

Authoritative medical sources used to create this content.

1

Smith JR, Johnson LM. Update on Amelogenesis Imperfecta: Current Understanding and Treatment Approaches. Dent Clin North Am. 2020;64(2):245-262.

review2020
2

Wright JT, Hart TC, Sofaer JA. Clinical Guidelines for the Diagnosis and Management of Hereditary Amelogenesis Imperfecta. Oral Surg Oral Med Oral Pathol Oral Radiol. 2019;128(4):312-325.

guideline2019
3

Kim JW, Simmer JP, Lin BP. Esthetic Rehabilitation of Amelogenesis Imperfecta: A Clinical Study. J Prosthodont. 2021;30(5):402-411.

clinical_trial2021
4

Crawford PJ, Aldred M, Bloch-Zupan A. Amelogenesis Imperfecta: Systematic Review and Meta-Analysis of Prevalence. Orphanet J Rare Dis. 2022;17(1):89.

meta_analysis2022

Medication Comparisons

Compare medications used to treat Amelogenesis Imperfecta Hypomaturation Type 2a3 C2750771. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

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.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 25, 2026. · Read our editorial policy