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Childhood hypophosphatasia. A case report
1Department of Dentistry and Pathology, Mount Sinai Medical Center, New York, USA.
The New York State Dental Journal
|May 1, 1997
Summary
Premature tooth loss in young children can signal hypophosphatasia, a rare genetic disorder. Early diagnosis is crucial for managing this skeletal condition.
Area of Science:
- Pediatric Dentistry
- Genetics
- Metabolic Bone Disease
Background:
- Hypophosphatasia is an inherited metabolic disorder affecting bone mineralization.
- It is characterized by low activity of the tissue-nonspecific alkaline phosphatase (TNSALP) enzyme.
- Dental anomalies, including premature tooth loss, are common manifestations.
Observation:
- A 32-month-old female with a history of skeletal issues presented with spontaneous exfoliation of three mandibular primary teeth.
- The patient's dental presentation was the primary indicator prompting further investigation.
Findings:
- The premature exfoliation of deciduous dentition in this case was indicative of underlying hypophosphatasia.
- Diagnostic workup confirmed childhood hypophosphatasia as the cause of the patient's symptoms.
Implications:
- Highlights the importance of recognizing premature tooth loss as a potential early sign of hypophosphatasia in pediatric patients.
- Emphasizes the need for prompt dental and skeletal evaluations for early diagnosis and management.
- Underscores the role of pediatric dentists in identifying rare genetic disorders.
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