Anatomical Terminology Part by liaoqinmei

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									       Crown & Bridge
     Anatomical Terminology
                                              Part 3
    Tooth Morphology Stage 3

Construct Crown & Bridge Structures 510B Ver1 2009     1
                         Important Note
     All notes for today’s lesson can be found in your
       anatomy text book purchased in Stage 1:-


       Anatomy of Orofacial Structures

                              Authors: Brand & Isselhard

                All page numbers are from the 7th Edition

Construct Crown & Bridge Structures 510B Ver1 2009          2
                      Outcomes for Today
  At the end of today’s session you should be able
    to:-
  o Identify and describe Tooth Structure
  o Identify and describe Periodontium
  o Identify and describe Lingual and Facial Contours
  o Identify and describe Contact Areas and Contact
    Points
  o Identify and describe Embrasures & Interproximal
    Space
  o Describe the Anatomical Crown & Root of a Tooth
  o Describe the Clinical Crown & Root of a Tooth
Construct Crown & Bridge Structures 510B Ver1 2009   3
    Anatomical Features of Teeth

    The anatomical features of the teeth help maintain
       the position of a tooth in the Dental Arch. These
       features also help to protect the gingiva during
       mastication.




Class Exercise                                             4
             Tooth Structure



Class Exercise         Page 82 of your text book   5
Tooth Structure                       Enamel

                                      Dentin


                                      Dental
        Page 82 of your text book      Pulp

                                      Gingiva

                                    Cementum




                                     Alveolar
                                      Bone
Class Exercise                             6
  Supporting Structure
           or
     Periodontium
           of
       a Tooth
Construct Crown & Bridge Structures 510B Ver1 2009   7
                 Supporting Structure
                     Page 79 of your text book for definitions



                 The Gingival Unit consists of
                   Free gingiva
                   Gingival sulcus
                   Mucogingival junction
                   Attached gingiva
                   Alveolar mucosa


Class Exercise                                                   8
                  Gingival Sulcus
  Margin of gingiva

 Free gingiva


   Free gingiva
     Groove
                                     Enamel

   Attached                          Dentin
    gingiva                         Cementum



                                    Periodontal
Mucogingival                        Ligaments
 Junction

Alveolar                             Alveolar
Mucosa                                Bone
                                                  9
                    Attachment Unit
                         Page 81 of your text book
                              for definitions


                 The Attachment Unit consists of
                 Cementum
                 Alveolar Bone
                 Periodontal Ligament




Class Exercise                                       10
                 Attachment Unit


         The function of the attachment unit is to
           provide:
         Support
         Sensory information
         Nutrition
         Formation of new tissue



Class Exercise                                       11
                        Blood
                       Vessels
        Alveolar
         Bone          Periodontal
                        Ligament
              Apical
             Foramen
Class Exercise                       12
             Facial & Lingual
         Contours of Teeth

                                                     Page 31 of your text book

Construct Crown & Bridge Structures 510B Ver1 2009                           13
    What is the importance of correct facial and
     lingual contours?


                 Page 31 of your text book




                                      Correct Contour
Class Exercise                                          14
      Page 31 of your text book



                                  Overcontoured
    Overcontouring



    Undercontouring
                                  Undercontoured




Class Exercise                                     15
          Proximal Contact
                                             Area

                                                     Page 29 & 31 of your text book

Construct Crown & Bridge Structures 510B Ver1 2009                                16
             Proximal Contact Area


                 Labial View


                                Page 31 of your text book




                  Buccal View

Class Exercise                                              17
          Location of Contact Area


                 Labial View


                                Page 31 of your text book




                  Buccal View

Class Exercise                                              18
          Location of Contact Area




                                    Occlusal View



                 Page 31 of your text book

                    Incisal View
                   Occlusal View

Class Exercise                                      19
    Importance of a Contact Area


                 Page 31 of your text book




Class Exercise                               20
                     Contact Point


                                                     Page 31 of your text book

Construct Crown & Bridge Structures 510B Ver1 2009                               21
              Contact Point
              Page 31 of your text book


A contact point is very different from a contact
  area.




                                                   22
                      Embrasures


                                                     Page 30 of your text book

Construct Crown & Bridge Structures 510B Ver1 2009                           23
                 Embrasures



  Labial View                 Buccal View




                 Page 30 of your text book




Class Exercise                               24
                 Embrasures
                                             Occlusal View




  Labial View




  What is the importance of embrasures?
  How are embrasures named?

                 Page 30 of your text book



Class Exercise                                           25
                        Embrasures
                                           Occlusal View




                               Lingual
                              Embrasures

                   Buccal
                 Embrasures




Class Exercise                                             26
   Interproximal Space


                 Page 29 of your text book

Class Exercise                           27
                 Interproximal Space
                 Definition of Interproximal space
                      Page 29 of your text book




Class Exercise                                       28
                 Interproximal Space
    What usually fills the Interproximal space and
     what is it’s function?
                    Page 29 of your text book




Class Exercise                                       29
                   Interproximal Space
   Alveolar Bone
                                      Alveolar Bone




 Labial View                                          Buccal View




                      Page 29 of your text book



Class Exercise                                                 30
              Clinic Crown & Root

             Anatomical Crown &
                   Root

                                                     Page 13 & 14 of your text book
Construct Crown & Bridge Structures 510B Ver1 2009                                    31
                 Clinical Crown & Root


                                   Clinical Crown




                                   Clinical Root




Class Exercise                                     32
         Anatomical Crown & Root

      Anatomical
        Crown


      Anatomical
        Root




Class Exercise                     33
Clinical/Anatomical Crown & Root

      Anatomical       Clinical Crown
        Crown


      Anatomical
                       Clinical Root
        Root




Class Exercise                         34
                      Outcomes Achieved
   You should now be able to:-
   o Identify and describe Tooth Structure
   o Identify and describe Periodontium
   o Describe Lingual and Facial Contours
   o Identify and describe Contact Areas and Contact
     Points
   o Identify and describe Embrasures & Interproximal
     Space
   o Describe the Anatomical Crown & Root of a Tooth
   o Describe the Clinical Crown & Root of a Tooth

Construct Crown & Bridge Structures 510B Ver1 2009   35

								
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