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DANB's NYPDA (NYPDA) Practice Tests & Test Prep by Exam Edge


(5.0) Based on 32 Reviews
DANB's New York Professional Dental Assisting   product image

DANB NYPDA Practice Test Features

Everything you need to pass your certification exam!


Passing your DANB's NYPDA can be a very stressful time in your life. So why take chances with your preparation? Let us help you through the certification process. See why so many users choose ExamEdge.com to guide them through the process. We only have honest reviews from real users.


Testimonial Image ExamEdge's online practice test is that they mimicked the actual exam. I walked into the exam feeling confident I knew the material and walked out knowing my time studying with Exam Edge was well worth the effort."

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DANB's New York Professional Dental Assisting Sample Test

1 of 5

What does streptococcus mutans erode?





Correct Answer:
enamel.


streptococcus mutans, commonly abbreviated as s. mutans, is a type of bacteria primarily found in the human oral cavity. it plays a significant role in the development of dental caries, more commonly known as tooth decay or cavities. this bacterium is particularly notorious for its ability to erode tooth enamel, which is the hard, outermost layer of teeth.

enamel is composed mainly of minerals, primarily hydroxyapatite, which is a crystalline calcium phosphate. it is the hardest and most highly mineralized substance in the human body, serving as the primary protective barrier for teeth against physical and chemical damage. however, despite its durability, enamel is vulnerable to demineralization, a process that s. mutans significantly contributes to.

the process begins when s. mutans adheres to the dental surfaces and forms a sticky, colorless film known as dental plaque. when sugar and starches from the food and drinks are consumed, s. mutans metabolizes these carbohydrates, producing acids as byproducts. these acids gradually dissolve the calcium and phosphate from the enamel in a process called demineralization, leading to the weakening and eventual loss of enamel. this erosion creates tiny holes in the enamel, the first stage of cavity formation.

if the demineralization process continues unchecked, the enamel can break down further, exposing the underlying layers of the tooth, such as dentin and, eventually, the pulp. dentin, which is less mineralized and more organic than enamel, is the second layer of the tooth structure. it contains microscopic tubules that, when exposed, can lead to tooth sensitivity and pain. the pulp, found in the center of the tooth, contains nerves and blood vessels and can become inflamed or infected if exposed to bacteria, leading to severe toothache and potential tooth loss.

preventive measures against s. mutans include maintaining good oral hygiene practices like regular brushing, flossing, and using mouthwash. limiting the intake of sugary and starchy foods, as well as regular dental check-ups, are also crucial in preventing the proliferation of s. mutans and the subsequent erosion of enamel.


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DANB's NYPDA (NYPDA) Practice Tests & Test Prep by Exam Edge - Review

DANB's New York Professional Dental Assisting - Reviews

   Excellent
Based on 160 reviews

I found the practice tests extremely helpful. I passed the DANB RHS exam and felt that the subject matter was thoroughly covered by your practice tests. The viewing of films and answering questions on them was especially helpful. Thank you very much for the assistance in preparing for the DANB RHS e ...
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Rofiah, Turnersville NJ

Easy to purchase & easily accessible. Great tool to use

Kay , Milton, Indiana

Yesterday I pass My CDA test. Your test really help me and I just would to say thank you.

Charisse, NY






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