National Dental Assisting Examining Board (NDAEB) Practice Exam

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Prepare for the National Dental Assisting Exam with comprehensive quiz questions, including multiple choice and detailed explanations. Equip yourself for success!

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What is a common indicator of developmental disorders in teeth?

Overgrowth of tissue
Delayed tooth eruption
Presence of supernumerary teeth
Inconsistent dental care practices

The correct answer is: Presence of supernumerary teeth

The presence of supernumerary teeth is often a key indicator of developmental disorders in teeth. Supernumerary teeth are extra teeth that form in addition to the normal set of 32 permanent teeth. Their occurrence may be associated with various genetic conditions or syndromes that can affect dental development. When supernumerary teeth are present, it often indicates variations in the normal pattern of tooth development, signaling that there may be an underlying developmental disorder that requires further investigation. Delayed tooth eruption may also indicate developmental issues, but it could be linked to a range of factors including hormonal influences, health conditions, or environmental influences, rather than being a definitive marker of a developmental disorder. Similarly, overgrowth of tissue can occur for various reasons, such as inflammation or hormonal changes, and does not specifically indicate a developmental issue within the teeth themselves. Inconsistent dental care practices, while important for overall oral health, do not directly correlate to the development of teeth or highlight specific developmental disorders. Thus, supernumerary teeth distinctly point towards developmental anomalies, making it the most relevant indicator in this context.