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What is CCD in Dentistry?

Published in Genetics in Dentistry 3 mins read

CCD in dentistry typically refers to Cleidocranial Dysplasia, a rare genetic disorder affecting the development of bones and teeth.

Understanding Cleidocranial Dysplasia (CCD) and its Dental Implications

Cleidocranial Dysplasia (CCD) is a congenital (present at birth) condition primarily impacting the skull and clavicles (collarbones), but it has significant implications for dental development. It's characterized by:

  • Skull Abnormalities: Often includes delayed closure of the fontanelles (soft spots) in infants and sometimes frontal bossing (prominent forehead).

  • Clavicle Abnormalities: In many cases, the clavicles are underdeveloped or completely absent, allowing individuals to approximate their shoulders.

  • Dental Abnormalities: These are a hallmark of CCD and significantly impact oral health.

Key Dental Features of CCD

  • Delayed Eruption: Primary (baby) teeth may be retained for a prolonged period, and permanent teeth erupt much later than normal.

  • Supernumerary Teeth: Individuals with CCD frequently have an excessive number of teeth (hyperdontia). These extra teeth often fail to erupt properly.

  • Impacted Teeth: Because of the supernumerary teeth and bone abnormalities, many permanent teeth become impacted (stuck) within the jawbone.

  • Abnormal Tooth Morphology: Teeth may have unusual shapes and sizes.

  • Enamel Defects: The enamel (outer layer) of the teeth may be thinner or structurally compromised.

Dental Management of CCD

Comprehensive dental management is essential for individuals with CCD. Treatment strategies may include:

  • Extraction of Supernumerary Teeth: Removing extra teeth to facilitate the eruption of permanent teeth.

  • Orthodontic Treatment: Braces or other orthodontic appliances to align teeth and correct bite problems.

  • Surgical Exposure: Surgical procedures to expose impacted teeth and encourage their eruption.

  • Dental Implants: Replacing missing teeth with dental implants.

  • Preventive Care: Regular dental check-ups, cleanings, and fluoride treatments to prevent cavities and maintain oral hygiene.

Feature Description
Supernumerary Teeth Excessive number of teeth, often non-functional.
Impacted Teeth Permanent teeth trapped within the jawbone.
Delayed Eruption Prolonged retention of baby teeth; late eruption of permanent teeth.
Skull & Clavicle Issues Can affect the overall structure and function of the mouth.

Proper diagnosis and management of the dental aspects of CCD are crucial for improving oral function, aesthetics, and overall quality of life for affected individuals. Genetic counseling is also important for families with a history of the condition.

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