Dental Fluorosis Quiz
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Questions and Answers

What is the critical period for dental fluorosis?

  • During adolescence
  • During adulthood
  • During early childhood (correct)
  • During old age

What is the most commonly affected type of tooth in Molar-Incisor Hypomineralization?

  • Permanent incisors
  • Permanent molars (correct)
  • Primary incisors
  • Primary molars

What is the cause of erythroblastosis fetalis?

  • A genetic disorder (correct)
  • A bacterial infection
  • An autoimmune disorder
  • A viral infection

What is the appearance of teeth affected by erythropoietic porphyria?

<p>Red-brown and fluoresce red in UV light (D)</p> Signup and view all the answers

What is the most common cause of intrinsic staining in teeth?

<p>Developmental disorders (D)</p> Signup and view all the answers

What is the etiology of Molar-Incisor Hypomineralization?

<p>Genetic factors (C)</p> Signup and view all the answers

What is the appearance of teeth affected by fluorosis?

<p>White chalky areas, lusterless white chalky enamel, zones of yellow to dark brown coloration (C)</p> Signup and view all the answers

What is the appearance of teeth affected by syphilitic hypoplasia?

<p>Constricted occlusal tables with a disorganized surface + Screndriver-like in shape with constricted incised edge (B)</p> Signup and view all the answers

What is the cause of Alkaptonuria?

<p>error of metabolism resulting in homogentisic acid accumulation in CTs. (B)</p> Signup and view all the answers

What is the most common cause of extrinsic staining in teeth?

<p>all of above (D)</p> Signup and view all the answers

What is the treatment for most enamel defects?

<p>Restorative techniques such as acid-etched composite resin restorations, labial veneers, and full crowns (B)</p> Signup and view all the answers

What is the appearance of teeth affected by trauma and localized RBC breakdown?

<p>Pink to gray-black discoloration (C)</p> Signup and view all the answers

What is the critical period for dental fluorosis?

<p>Second to third years of life (B)</p> Signup and view all the answers

What is the most common type of tooth affected by molar-incisor hypomineralization?

<p>Permanent molars (B)</p> Signup and view all the answers

What causes Hutchinson's incisors and mulberry or moon molars?

<p>Syphilitic hypoplasia (C)</p> Signup and view all the answers

What is erythroblastosis fetalis?

<p>A hemolytic anemia resulting in bilirubin deposition in teeth (C)</p> Signup and view all the answers

What is the effect of tetracycline on developing teeth?

<p>It causes yellow to dark brown discoloration (C)</p> Signup and view all the answers

What is the most common cause of intrinsic staining of teeth?

<p>Erythroblastosis fetalis (D)</p> Signup and view all the answers

What is the effect of fluoride concentration of >1ppm in drinking water?

<p>It causes mottling of enamel (B)</p> Signup and view all the answers

What is the effect of alkaptonuria on teeth?

<p>It causes blue-black discoloration (D)</p> Signup and view all the answers

What is the prevalence of molar-incisor hypomineralization?

<p>30-40% (A)</p> Signup and view all the answers

What is the effect of amalgam on teeth?

<p>It causes black-gray discoloration (C)</p> Signup and view all the answers

What is the effect of minocycline hydrochloride on fully formed teeth?

<p>It may get taken up into the pulp and dentine (D)</p> Signup and view all the answers

What is the critical period for dental fluorosis?

<p>During infancy (A)</p> Signup and view all the answers

What is the etiology of molar-incisor hypomineralization?

<p>Unknown (D)</p> Signup and view all the answers

What is the most common type of tooth affected by molar-incisor hypomineralization?

<p>Permanent molars (B)</p> Signup and view all the answers

What is the prevalence of molar-incisor hypomineralization?

<p>2-40% (D)</p> Signup and view all the answers

What is the treatment for most enamel defects?

<p>Restorative techniques (A)</p> Signup and view all the answers

What causes erythroblastosis fetalis?

<p>Hemolytic anemia (D)</p> Signup and view all the answers

What is the discoloration seen in teeth affected by erythroblastosis fetalis?

<p>Green-gray to bluish (D)</p> Signup and view all the answers

What is the autosomal recessive disorder that results in porphyrin deposition in teeth?

<p>Erythropoietic porphyria (C)</p> Signup and view all the answers

What is the discoloration seen in teeth affected by alkaptonuria?

<p>Blue-black (C)</p> Signup and view all the answers

What is the discoloration seen in teeth affected by trauma and localized RBC breakdown?

<p>Pink to gray-black (D)</p> Signup and view all the answers

What medication causes tooth discoloration and should be avoided during pregnancy and in children up to 8 years of age?

<p>Tetracycline (B)</p> Signup and view all the answers

What is the type of staining caused by tobacco, food and drink, iron, medications, and bacteria?

<p>Extrinsic staining (B)</p> Signup and view all the answers

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