Dental Caries
Demineralization occurs when calcium and phosphate dissolve from ___________ in the enamel.
hydroxyapatite
The _______ protection of saliva is dependent on the water content in the saliva and the amount or flow of saliva.
physical
Which of the following is the most common source of transmission of disease-causing mutans streptococci (MS) to infants?
Mothers
Subgingival calculus
is not site specific and is found throughout the mouth.
Periodontal disease has a proven relationship with
coronary artery disease.
Which of the following types of bacteria is found in relatively large numbers in dental plaque?
Streptococcus mutans
A laser caries detector
cannot be used to detect caries under an amalgam restoration.
Which of the following is an infectious disease in which children live in constant pain from decayed primary teeth and swollen gums?
Early childhood caries (ECC)
Bacteria in dental _____ cause inflammation by producing enzymes and toxins that destroy periodontal tissues and lower host defenses.
biofilm
An individual with chronic periodontal disease is at increased risk for which of the following respiratory infections?
Pneumonia
Deficiency of which vitamin is associated with swollen or bleeding gums?
Mutans streptococci and lactobacilli
Which of the following are examples of caries risk assessment tests?
Saliva flow rate and bacterial testing
Which of the following is true concerning early childhood caries (ECC)?
It is a transmissible disease.
Which of the following is the part of the periodontium that connects the cementum covering the root of the tooth with the alveolar bone of the socket wall?
Periodontal ligament
Which of the following is the primary factor causing periodontal disease?
Plaque
Why is the cementum covering root surfaces more susceptible to caries than enamel?
Cementum has a lower mineral content than enamel.
Which of the following is one of the causes of rampant caries?
Xerostomia
A clean, healthy tooth will have little or no fluorescence when a laser caries detector is used, resulting in ______ readings.
very low
The reason why women with severe periodontal disease have a greater risk for preterm low-birth-weight (PLBW) babies is thought to be due to
certain biochemicals produced with periodontal disease, which can create hormones that cause early uterine contractions and labor.
A patient who has a 6 mm. periodontal pocket would be categorized as having Stage _________ periodontitis.
III
Advances in which of the following areas will provide dental professionals with a rapid method of assessing a patient’s risk for dental caries?
Molecular biology
Which of the following is true of dental caries?
It is a communicable bacterial disease.
A woman with severe periodontal disease has a ___ times greater risk for a preterm infant with low birth weight compared with women with little or no periodontal disease.
7
A probing depth of more than ________ mm is associated with gingival disease.
4