44. Enamel - the hardest substance on the body, which covers the crown of the tooth
45. Endodontic Treatment - root canal- the removal of all of the pulp tissue from the tooth
46. Endodontics - dental specialty which deals with the diagnosis and treatment of pulp; the tissues within the tooth and root canals.
47. Eruption - the movement of the tooth into its normal working position in the mouth- a tooth that breaks through the gums
48. Extra-Oral - outside of the mouth
49. Extraction - removal of a tooth
50. Fissure - a deep and narrow developmental groove that is particularly susceptible to decay
51. Fistula - small pus pocket above an infected tooth which is coming through the gum. It looks like a white dot above a tooth on a gum.
52. Fixed Bridge - dental bridge permanently fixed to abutments with inlays and crowns- Cannot be removed by patient
53. Free gingiva - the part of the gingiva which surrounds the neck of the tooth above the cervical line and is not attached to the tooth
54. Frenum - a band of tissue
55. Frenectomy - the surgical cutting, or loosening of a frenum
56. Full Mouth X-Rays - a set of 18 x-rays showing all the teeth of the mouth; upper and lower
57. Gag Reflex - the protective reflex which prevents foreign objects from accidentally going down the throat
58. Gingiva - the gums
59. Gingival Curretage - the removal of a layer of infected tissue lining of the gums surrounding the teeth
60. Gingival Sulcus - the space between the tooth and the free gum
61. Gingivectomy - removal of a portion of the fixed layer of gum tissue surrounding the teeth due to periodontal disease or improper contour of the gums.
62. Gingivitis - infection of the gums; usually mild stage
63. Hard Palate - the bony anterior part of the roof of the mouth
64. Hard Tissue - the bone
65. Immediate Dentures - a denture that is placed immediately following the extraction of the remaining teeth in the mouth
66. Impacted Teeth - teeth that are not able to erupt through the gum tissue