The student instrument<br />DCP (dental caries) <br />For all Dr. Kauser’s lectures and the 2 lectures of Dr. Nizam.<br />Write the correct answer.<br />
Dental plaque that develops over a long period of time becomes ………….
Fermentable carbohydrates are …………… that are easily metabolized by the bacteria present in our mouth to form acid compounds.
……….. a type of complex carbohydrates are harmless because they are not digested in the mouth.
The plaque remains acid for some time, taking ……….. minutes to return to its normal pH.
………… is most cariogenic sugar.
Circle the correct answer.<br /> 1-Residual caries are:<br /> a.caries that are very deep to the dentin<br /> b. demeneralized tissue that are left in place before a filling is placed<br /> c. carious enamel that does not affect the dentin<br />2- Inactive lesions are:<br /> a. progressive<br /> b. arrested<br /> c. is not considered a carious lesion<br />3- Moderate challenge :<br /> a. Involves anterior teeth which are usually caries -free<br /> b. are on the occlusal part of the teeth<br /> c. are on the proximal surface of the posterior teeth.<br />4- Hyposalivation causes:<br /> a. rampant caries<br /> b. arrested caries<br /> c. multiple caries<br />5-ECC stands for and they are another name of nursing caries :<br /> a. early childhood caries<br /> b. early corrosive caries<br /> c. early cast caries<br />
This picture shows :
Caries in the enamel
Caries in the dentine
Caries in the root
_________ slows down the progression of lesions.
a. fluoride <br /> b. calcium<br /> c. both a and b<br />8-In a carious enamel the first thing to do is:<br />
Clean the tooth, wet it , and dry it
Wet the tooth, clean it , then dry it
Dry the teeth ,wet it , then clean it
9-Demeneralizatin is greatest in:<br />
a. anterior teeth
c. interproximal surface
10- A matty appearance on the tooth indicates ________ while the shiney appearance indicates________.<br /> a. active , arrested<br /> b. deep, superficial<br /> c. arrested , active<br />11-__________is deep to the body of the lesion is a relatively well mineralized zone.<br /> a. the body of lesion<br /> b. translucent zone<br /> c. surface zone<br />12- When sugar consumption has ceased, Saliva can wash away sugars and buffer the acid. Calcium and Phosphates can again enter the tooth.<br />
When eating low molecular carbohydrates
13- Caries affect the tooth reaching to the dentin and pulp in a :<br />
14-_______________Is the deposition of mineral within the dentinal tubules and it requires the presence of a vital odontoblast .<br />
active lesions of caries
15-When lesions progress rapidly we get a<br />
16-repetitve dentin is<br /> a. formation of new odontoblast<br /> b. destruction of odontoblast<br /> c. dentin formation<br /> <br />17- sudden inflammation of the pulp is called<br />
18-chronic pulpitis is __________ and acute pulpitis is _________.<br />
Always painful, symptomless
Painful, is sharply painful
Symptomless, always painful
19- We use radiographs to :<br />
Diagnose caries in the dentin
Diagnose caries on the proximal areas of the enamel
All of the above.
20-In pulpitis if pain persists for minutes or hours after removal of the stimulus it indicates<br />a. reversable pulpitis<br />b. irreversable pulpitis<br />c. pulpitis<br />21-The tooth is tender to bite on and tender to touch because it acts as a piston in its socket, transmitting forces directly to the inflamed periapical tissues.<br />a. periapical inflamation<br />b. periodontal inflamation<br />c. pulp inflammation<br />22-Clinically, actively progressing lesions are :<br />a. mat and hard<br />b. soft and wet<br />c. shiny and hard<br />23- This is primary caries next to a filling, caused by the biofilm at the tooth surface or the surface of any cavity. <br />
24.________ forms the basis for treatment decision.<br /> a. prognosis<br /> b. prevention<br /> c. diagnosis<br />25. D3 indicates lesions into:<br />a. pulp<br />b. dentin<br />c. enamel<br />26. Sharp probes should never be used to detect :<br />a. the feel of early cavitations<br />b. suspicious carious lesions<br />c. the superficial caries<br />27. _______ are hard and are often located in a plaque free area coronal to the gingival margin and may be cavitated.<br />a. active lesion<br />b. arrested lesion<br />c. secondary caries<br />28- Root surface lesions tend to spread ______ and combine with minor neighboring lesions and may thus eventually encircle the tooth.<br />
29- The lesion visible on a wet surface is all the way through ___________________<br />
All of the above.
30- To avoid missing micro-caries we use:<br /> a. bitewing radiographs<br /> b. X-ray radio graph<br /> c. DIFOTI<br />31- Hidden caries are:<br />
missed during visual examination but found on radiographs
Missed on radiograph but found on visual examination
32- Caries can affect the gingival in which the gingiva is :<br /> a.red and swollen and bleeds easily<br /> b. pale and stipple in appearance<br /> c. none of the above<br />33- When we can’t use bitewing radiographs for example when teeth are crowded or in pregnant women we use:<br /> a. FOTI<br /> b. DIFOTI<br /> c.infrared thermography <br />34- caries at the margin of a restoration:<br /> a. secondary caries <br /> b. primary caries<br /> c. residual caries<br />35- Recurrent caries usually occurs _______and ________ in areas of plaque stagnation .<br />
Approximally , cervically
Apically , occlusaly
36- Ditching is:<br />
When the restoration is broken
When the margins of the amalgam are fractured
When the tooth is extracted
<br />37- Sometime a __________ on radiograph indicates residual caries left when the restoration was placed .<br />
38- Plaque and bacteria with simple sugar produce acid and is in the <br /> a. demenerlization stage<br /> b. reminarlization stage<br /> c. acidic stage<br />True or fales:<br />
Dental caries is a chronic infectious disease that involves the demineralization of the mineralized tissues of teeth by acids produced by metabolism of dietary carbohydrates by plaque micro-organisms, but is influenced by fluoride and other factors. ( )
If the enamel is worn off (damaged) by the dental caries the next part to get affected is the cementum. ( )
The tooth is sensitive and we can’t bite down on tooth when the caries are on the enamel. ( )
Epidemiology is the study of health and disease states in individuals rather than populations. ( )
People who are financially poor and those who live in rural areas are more prone to caries than other people. ( )
When naming caries we start with the severity then the anatomical site and then the status of the lesion. ( )
primary lesion begins on a surface with no previous lesion or restoration.
Moderate caries are the least in severity.
GV black classification of caries lesions,Class 3 is Proximal surfaces on anterior teeth.
The mount and hume classification for dental caries involves the size and the severity.
Dental caries are reversible.
Acidic foods/drinks do cause caries on their own .
Xerostomia means dry mouth and it can cause caries.
When the pH is more than 6.5 the stage is favouring to demeneralization.
Saliva Saturated in calcium and phosphate ions causes caries.
The tooth is continuously bathed with fluoride in the enamel and dentin..