Test your basic knowledge |

Dentistry Tooth Development And Eruption

Subjects : health-sciences, dentistry

Instructions:

Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. What is gemination?
The enamel - dentin - and cementum are secreted in successive layers
Morphogenesis
Dental papilla
Tooth germ tries to divide

2. How is the dentinocemental junction formed?
The stellate reticulum
To shape the root (or roots) and induce dentin formation in the root area so that it is continuous with coronal dentin
As a result of the apposition of cementum over dentin
Imbrication lines of von Ebner

3. What are the developmental disturbances of the cap stage?
Cementoblasts
Dens in dente - gemination - tubercle - and fusion
Induction
After the crown is completely shaped and the tooth is starting to erupt into the oral cavity

4. What happens during the appositional stage?
The basement membrane
The enamel - dentin - and cementum are secreted in successive layers
In the cap stage
Yes - this is why the dentin is thicker in the mature tooth structure than the enamel

5. What wll the inner enamel epithelium differentiate into?
Only dentinal tubules with processes
The basement membrane that seperates the enamel organ and dental papilla
Enamel secreting cells (ameloblasts)
Differentiation - proliferation - morphogenesis

6. How is the reduced enamel epithelium created?
Local or systemic or hereditary
Tall columnar cells
The enamel organ is compressed
Enamel secreting cells (ameloblasts)

7. What else undergoes proliferation in the bud stage besides the dental lamina?
Absence of single or multiple teeth
Cementocytes
In the cap stage
The ectomesenchyme

8. What are the etiological factors of enamel dysplasia?
Local or systemic or hereditary
Commonly affects the permanent maxillary lateral incisor. tooth may have deep lingual pit and need endodontic therapy
Epithelial rests of Malassez
Cementoblasts

9. The stellate reticulum is located inner or outer?
Enamel
Connective
Outer
Hereditary

10. What is an enamel pearl?
The enamel - dentin - and cementum are secreted in successive layers
11th to 12th weeks
The outer enamel epithelium
Sphere of enamel on root

11. What happens during the bell stage?
Differentiation of enamel organ into bell with four cell types and dental papilla into two cell types.
Dental papilla
Maturation
Large single rooted tooth with one pulp cavity and exhibits 'twinning' in crown area. normal number of teeth in dentition. may cause problems in appearance and spacing

12. What are the 2 layers in the dental papilla within the concavity of the enamel organ?
The outer cells of the dental papilla and the central cells of the dental papilla
The Tomes' process - a tapered portion of each ameloblast that faces the disintegrating basement membrane
The primary tooth can now erupt into the oral cavity - the REE fuses with the oral epithelium - then enzymes from the REE disintegrate the central portion of the epithelial tissue leaving an epithelial tunnel for the tooth to erupt
The stellate reticulum

13. What stage does anodontia occur?
Initiation stage
The ectomesenchyme - which was influenced by the neural crest cells
Odontogenesis
Enamel secreting cells (ameloblasts)

14. What is the structure responsible for root development?
Cementoblasts
The basement membrane
The cervical loop
In the cap stage

15. What will the inner cells of the dental lamina differentiates into?
The primordium of the pulp
Hereditary - endocrine dysfunction - systemic disease - excess radiation exposure
Union of 2 adjacent tooth germs
Abnormally small teeth

16. What is anodontia?
The ectomesenchyme
Dental tissues fully mineralize to their mature levels.
Osteocytes
Absence of single or multiple teeth

17. What are the clinical ramifications of supernumerary teeth?
Occurs commonly between the maxillary centrals - distal to the 3rd molars and premolar region. may cause crowding - failureof normal eruption and disruption of occlusion
Cementoid
Future dentin and pulp tissue
The successional dental lamina - an extension of the dental lamina that extends out lingually to the primary tooth germs

18. Which teeth are nonsuccedaneous?
The enamel - dentin - and cementum are secreted in successive layers
It disintegrates as the developing oral mucosa comes to line the oral cavity
The permanent molars
Union of 2 adjacent tooth germs

19. What are the formative cells for cementum?
Proliferation
Cementoblasts
The tooth germ
Ectoderm lining stomodeum gives rise to the oral epithelium and then to the dental lamina - adjacent to deeper ectomesenchyme - Which is influenced by the neural crest cells. Both tissues are seperated by a basement membrane

20. The buds of the dental lamina - together with the surrounding ecto mesenchyme - will develop into what?
Cementocytes
Tooth germ
Union of 2 adjacent tooth germs
Epithelial

21. What are the clinical ramifications of gemination?

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183

22. Where does the primordium of the permanent dentition develop?
Differentiation
Abnormally large teeth
The ameloblasts place an acellular dental cuticle on the new enamel surface
The successional dental lamina - an extension of the dental lamina that extends out lingually to the primary tooth germs

23. What is the predominate process in the bell stage?
Local or systemic or hereditary
The tooth germ
Differentiation
Sphere of enamel on root

24. What happens when the reduced enamel epithelium is created?
The primary tooth can now erupt into the oral cavity - the REE fuses with the oral epithelium - then enzymes from the REE disintegrate the central portion of the epithelial tissue leaving an epithelial tunnel for the tooth to erupt
The ectoderm
Morphogenesis
The enamel organ - dental papilla - dental sac

25. What are the resorptive cells for enamel - dentin - cementum and alveolar bone?
Odontoclasts
The outer enamel epithelium
The ectomesenchyme
Epithelial rests of Malassez

26. What hard tissue is can not have tissue formation after eruption?
Enamel
Yes - this is why the dentin is thicker in the mature tooth structure than the enamel
Permanent teeth formed with primary predecessors - the anterior teeth and the premolars
The ectomesenchyme

27. What are the etiological factors for micro/macrodontia?
The cementum - PDL - and alveolar bone
Morphogenesis
Hereditary in localized form. endocrine dysfunction is complete
Development of one or more extra teeth

28. When the undifferentiated cells of the dental sac come into contact with the root dentin they differentiate into what?
Cementoblasts
Dental papilla
Dens in dente - gemination - tubercle - and fusion
Common with permanent maxillary molars

29. What are the clinical ramifications of enamel pearl?
4 types
Proliferation
Dentinogenesis - Which is the apposition of dentin matrix - or predentin - on the other side of the basement membrane
May be confused as calculus deposit on root

30. What is the predominate process of the cap stage?
The permanent molars
Morphogenesis
Commonly involves permanent maxillary lateral incisor and 3rd molars
The ectomesenchyme

31. What happens during the maturation stage?
The successional dental lamina - an extension of the dental lamina that extends out lingually to the primary tooth germs
Dental tissues fully mineralize to their mature levels.
Morphogenesis
The stellate reticulum

32. What is the process involved in the maturation stage?
Initiation stage
Odontoblastic process
Maturation
Displacement of ameloblasts to root surface

33. What are the development disturbances of the apposition and maturation stages?
Enamel pearl - enamel dysplasia - and concresence
The enamel organ is compressed
Hereditary
In the cap stage

34. What is macrodontia?
4 types
Abnormally large teeth
The bud stage
The disintegration of the basement membrane allows the preameloblasts to come into contact with the newly formed predentin

35. When does dens in dente occur?
During the cap stage
Outer
Initiation
When the gingiva recedes and no actual tooth movement takes place

36. What happens during the bud stage?
Absence of single or multiple teeth
The basement membrane
Bud stage
Growth of the dental lamina into bud that penetrates growing ectomesenchyme

37. What are the mature cells for dentin?
Cementocytes
The ectomesenchyme
Dental tissues fully mineralize to their mature levels.
Only dentinal tubules with processes

38. What is tubercle?
The enamel organ - dental papilla - dental sac
A mineralized cylinder - the dentinal tubule
Extra cusp due to effects on enamel organ
Apposition of the cementum

39. What are the processes involved in the cap stage?
The cervical loop
The bud stage
Proliferation - differentiation - morphogenesis
During the cap stage

40. The stage named for extensive proliferation of the dental lamina into oval masses penetrating into the ectomesenchyme?
Maturation
9th to 10th weeks
6th to 7th weeks
The bud stage

41. What are the incremental lines for dentin?
Yes - this is why the dentin is thicker in the mature tooth structure than the enamel
Imbrication lines of von Ebner
The successional dental lamina - an extension of the dental lamina that extends out lingually to the primary tooth germs
Odontogenesis

42. What are the clinical ramifications of fusion?
Large tooth with two pulp cavities. one fewer tooth in dentition. may cause problems in appearance and spacing
Initiation
The actual vertical movement of the tooth
Tooth germ tries to divide

43. What are the clinical ramifications of dens in dente?
Abnormally large teeth
Enamel secreting cells (ameloblasts)
The tooth germ
Commonly affects the permanent maxillary lateral incisor. tooth may have deep lingual pit and need endodontic therapy

44. What type of tissue is dentin - cementum - and alveolar bone?
Connective
Osteoblasts
Differentiation - proliferation - morphogenesis
Cementoblasts

45. What processes are involved with the apposition stage?
Growth of the dental lamina into bud that penetrates growing ectomesenchyme
4 types
Induction - proliferation
Preameloblasts

46. What are the etiological factors for anodontia?
The primordium of the pulp
Future dentin and pulp tissue
Hereditary - endocrine dysfunction - systemic disease - excess radiation exposure
Common on permanent molars or cingulum of anterior teeth

47. What are the incremental lines for cementum and alveolar bone?
Hereditary
The ectomesenchyme
Epithelial rests of Malassez
Arrest and reversal lines

48. What are the odontoblastic processes is contained in what?
Inner
A mineralized cylinder - the dentinal tubule
Large single rooted tooth with one pulp cavity and exhibits 'twinning' in crown area. normal number of teeth in dentition. may cause problems in appearance and spacing
11th to 12th weeks

49. What kind of cells reside in the stratum intermediate?
Compressed layer of flat to cuboidal cells
Bud stage
Cementoblasts
Morphogenesis

50. What hard tissue has vascularity?
Cementoblasts
The ectoderm
Alveolar bone
Dens in dente - gemination - tubercle - and fusion

Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?

Major Subjects
Tests & Exams AP CLEP DSST GRE SAT GMAT	Certifications CISSP go to https://www.isc2.org/ PMP ITIL RHCE MCTS More...	IT Skills Android Programming Data Modeling Objective C Programming Basic Python Programming Adobe Illustrator More...	Business Skills Advertising Techniques Business Accounting Basics Business Strategy Human Resource Management Marketing Basics More...
Soft Skills Body Language People Skills Public Speaking Persuasion Job Hunting And Resumes More...	Vocabulary GRE Vocab SAT Vocab TOEFL Essential Vocab Basic English Words For All Global Words You Should Know Business English More...	Languages AP German Vocab AP Latin Vocab SAT Subject Test: French Italian Survival Norwegian Survival More...	Engineering Audio Engineering Computer Science Engineering Aerospace Engineering Chemical Engineering Structural Engineering More...
Health Sciences Basic Nursing Skills Health Science Language Fundamentals Veterinary Technology Medical Language Cardiology Clinical Surgery More...	English Grammar Fundamentals Literary And Rhetorical Vocab Elements Of Style Vocab Introduction To English Major Complete Advanced Sentences Literature Homonyms More...	Math Algebra Formulas Basic Arithmetic: Measurements Metric Conversions Geometric Properties Important Math Facts Number Sense Vocab Business Math More...	Other Major Subjects Science Economics History Law Performing-arts Cooking Logic & Reasoning Trivia

Test your basic knowledge |

Dentistry Tooth Development And Eruption

Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?

Let me suggest you:

Browse all subjects

Browse all tests

Most popular tests

Major Subjects

Tests & Exams

Certifications

IT Skills

Business Skills

Soft Skills

Vocabulary

Languages

Engineering

Health Sciences

English

Math

Other Major Subjects

Browse all subjects

Browse all tests

Most popular tests