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By: Hessa Habib

By: Hessa Habib

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  • 1. The Student Quiz<br />LEC 1&2&3 Quiz (DHS1)<br />Answer the following questions:<br />1-Mandibular teeth refers to the………teeth that contains……………………..<br />2- Mixed or transition dentition from ……………..years old.<br />3- The total number of ………. teeth is 20 and the total number of the …………..is 32.<br />4- All primary teeth are replaced with permanent teeth except for the …………. which are replaced by the permanent premolars.<br />5-What is the difference between successor and predecessors?<br />Write T for true and F for false. <br />1- This dental formula represents permanent dentition. ( )<br />2-Succedaneous refers to those teeth of the permanent dentition that replace primary teeth (incisors, canines, and premolars of the permanent dentition). ( )<br />3- When naming a tooth we follow the following sequence: ( )<br />a. Dentition: Permanent or Deciduous.<br />b. Side: Right or left <br />c. Type of tooth: Premolar, Molar…. <br />d. Arch: Maxillary or Mandibular.<br />4-The maxillary premolar has 2 roots.( )<br />5- The FDI naming system was established since 1947. ( )<br />Circle the right answer.<br />1-The letters A to T are used for <br />
    • Primary dentition palmer notation system
    • 2. Primary dentition universal notation system
    • 3. Permanent dentition FDI notation system.
    2- In FDI notation system the numbers are :<br />
    • Pronounced separately (12 one two)
    • 4. Only for permanent dentition
    • 5. Indicate the amount of caries
    3-The crown & root join at the <br />Dental enamel junction<br />junctional epithelial<br />
    • cementoenamel junction tissues
    • 6. 3162300212090
    5- The arrow in the image on the right is at the<br />Labial crown proximal cingulum ridge sulcus mamelonsMatch the words below.<br />1-When examining a 6-7 years old kid, the central incisors usually have three prominences, or scallops which are usually seen along the incisal edge, these prominences are called…………..<br />2-………….. is the visible part of the tooth.<br />3-A ……………is a convexity found on the lingual surface of anterior teeth<br />4-The depression or concavity in the occlosal; part of the tooth is called a ……………..<br />5- ………… are any linear, flat elevations on teeth<br />Circle the correct answer:<br />1-Each root is divided into horizontal thirds:<br />a. Cervical, middle, and apical<br />b. mesial, middle, and distal<br />c. occlusal ,middle, and cervical <br />2-The occlusal surface is the broad chewing surface found on the <br />a. labial teeth (central and lateral incisors)<br />b. anterior teeth (central and lateral incisors)<br />c. posterior teeth (bicuspids and molars)<br />3-A __________is the lingual lobe of an anterior tooth and appears on the cervical third of the tooth. <br />4-A fossa is an irregular __________ on the surface of a tooth. <br />a.concavity<br />b.depression<br />c.elevation<br />5- Mandibular premolars are:<br /> Follow the arrow and write the name of the point angles.<br />Using the FDI notation system write down the teeth numbers:<br />State the difference.<br />
    • Mandibular 2nd premolars lobes and maxillary premolars lobes.
    • 13. Enamel and dentin.
    • 14. Calcification of 3-4 months in utero and calcification of 6 months in utero.
    4-Erruption and emergence.<br />Circle the correct answer.<br />1-This picture shows a :<br />
    • Mixed dentition of a 12 year old
    • 15. Mixed dentition of a 6 years old
    • 16. Primary dentition of a 6 year old
    2- Between what ages do first permenant molars erupt?<br />
    • 5-6 years old
    • 17. 6-7 years old
    • 18. 10-11 years old
    • 19. Lower first premolar erupts at
    • 20. 10 - 11 Years
    • 21. 13-14 years
    • 22. 7-8 years
    • 23. Lobes develop
    • 24. a.cingulum and cusps
    • 25. b. mamelons
    • 26. c.All of the above
    • 27. Triangular ridges:
    • 28. Are on the posterior and anterior teeth
    • 29. Are on the anterior teeth only
    • 30. Are on the posterior teeth only
    • 31. In a developmental tooth ,the first structure that forms is:
    • 32. a. dentin
    • 33. b. enamel
    • 34. c. pulp
    8-In a baby the first tooth to appear are<br /> a. the mandibular central incisors<br /> b. the maxillary central incisors<br /> c. the mandibular lateral incisors<br />
    • Usually extraction in boys and girls is
    • 35. Girls and boys equally
    • 36. Girls before boys
    • 37. All of the above is true
    9-In primary dentition lower canines erupts during:<br /> a.17-20 years <br /> b. 17-20 months<br /> c. 6-8 months<br />
    • Abnormalities of tooth formation and calcification:
    • 38. a. Hypodontia, fusion of teeth, trauma and natal teeth.
    • 39. b. flurosis ,chronological hypoplasia, Amelogenesis imperfecta and dentogenesis imperfect.
    • 40. c. all of the above
    Write the correct answer:<br />1-The functions of the mouth include …………………………………..<br />2-The …………. of a tooth is the part covered by enamel, whereas the ……….. is the part that projects or seen in the oral cavity.<br />3-Enamel is a product of ……… and is produced by …………….. <br />4-………. covers the roots of teeth & attaches the teeth to the alveolar bone by periodontal fibers.<br />5-…………….. is comprised of the tissue that covers the hard palate and the gingiva associated with keratinized stratified squamous epithelium .<br />Write T for True and F for false.<br />1-Dentin and pulp are specialized connective tissue. ( )<br />2-The pale pink to darker shades range of colors in a gingiva indicates some abnormalities. ( )<br />3-Principal fibers are the fibers that connect the cementum to the alveolar bone. ( )<br />4-The gingival epithelium facing the tooth is divided into the sulcular (attached) and junctional (unattached) epithelia and it is keratinized. ( )<br />5-Major glands are the large extra-orally located pairs of glands, namely parotid, submandibular and sublingual and are all in total 6. ( )<br />Circle the correct answer:<br />Production of dentin ,maintenance of dentin ,repair of dentin ,sensation , and defense these are functions of:<br />a. Dentin<br />b. Pulp<br />c. Both a and b<br />2- There are ______ of cementum:<br />
    • Two types cellular and acellular
    • 41. 1 type symmetrical
    • 42. 3 types cellular and acellular and symmetrical
    3-________ consists of four components: dentogingival junction, periodontal ligament, cementum and alveolar bone.<br /> a. Periodontuim<br /> b. Oral mucosa<br /> c. Gingiva<br />4-Enamel is composed of more than __________in the form of hydroxyapatite ( crystals) and________________. <br /> a. 65% organic material and 35% inorganic materials and water.<br /> b.4% of water and organic materials and 96% of inorganic materials.<br /> c. 96% inorganic material and 4% of water and organic material.<br />5-__________ is composed of 65% minerals (calcium hydroxyapatite) & 35% organic matter (collagen & ground substance) & water.<br />Cementum<br />Enamel<br />Alveolar bone<br />
    • Done by: Hessa Habib