Dentin dysplasia, radicular

Dentin Dysplasia, Radicular
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Synonyms	Rootless teeth
Pronounce	N/A
Specialty	N/A
Symptoms	Abnormal tooth development, short roots
Complications	Tooth loss, dental abscesses
Onset	Childhood
Duration	Lifelong
Types	N/A
Causes	Genetic mutation
Risks	N/A
Diagnosis	Clinical examination, radiographic imaging
Differential diagnosis	N/A
Prevention	N/A
Treatment	Dental management, endodontic therapy
Medication	N/A
Prognosis	N/A
Frequency	Rare
Deaths	N/A

Dentin Dysplasia, Radicular, also known as Type I Dentin Dysplasia, is a rare genetic disorder affecting the development of dentin, the hard tissue beneath the enamel of a tooth. This condition is characterized by the presence of normal appearing crowns but abnormal root development, often leading to short or absent roots.

Etiology

Dentin Dysplasia, Radicular is primarily caused by genetic mutations, although the specific genes involved are not fully understood. It is inherited in an autosomal dominant pattern, meaning a single copy of the altered gene in each cell is sufficient to cause the disorder.

Pathophysiology

In individuals with Dentin Dysplasia, Radicular, the normal process of dentin formation is disrupted. This results in the formation of dentin that is disorganized and poorly mineralized, particularly affecting the roots of the teeth. The crowns of the teeth typically appear normal, but the roots are either very short or completely absent, which can lead to increased mobility of the teeth and early tooth loss.

Clinical Presentation

Patients with Dentin Dysplasia, Radicular often present with:

• Normal appearing crowns
• Short or absent roots on radiographic examination
• Increased tooth mobility
• Premature tooth loss
• Possible dental abscesses due to pulp necrosis

Diagnosis

Diagnosis of Dentin Dysplasia, Radicular is primarily based on clinical examination and radiographic findings. X-rays typically reveal:

• Short, blunt, or absent roots
• Obliteration of the pulp chambers
• "Chevron" or crescent-shaped pulp stones

Management

Management of Dentin Dysplasia, Radicular focuses on maintaining dental health and function. This may include:

• Regular dental check-ups
• Preventive dental care to avoid caries and periodontal disease
• Endodontic treatment if necessary
• Prosthetic rehabilitation in cases of significant tooth loss

Prognosis

The prognosis for individuals with Dentin Dysplasia, Radicular varies depending on the severity of the condition and the effectiveness of dental management. With appropriate care, many individuals can maintain functional dentition.

Also see

• Dentinogenesis imperfecta
• Amelogenesis imperfecta
• Tooth development
• Genetic disorders of teeth