Page 1 - mm4
P. 1

SAI INTERNATIONAL SCHOOL


               CLASS-IV


                                                                 SCIENCE


               CHAPTER-3-OUR TEETH AND MICROBES


               SUB TOPIC-STRUCTURE OF A TOOTH






                                            OUR TEETH




                                       Structure of Tooth





                                                                           ENAMEL



                                                                           DENTINE




                                                                              PULP



                                                                        BLOOD VESSELS
                                                                          ANS NERVES



                                                                              GUM






                                                                             ROOT




               Structure of a tooth
               A tooth consists of three main parts crown, root and neck.
   1   2