| Term | Definition |
| Alveolar | The bone that surrounds and supports the teeth |
| Alveolus | The bony socket in which the tooth is held |
| Anatomic | That portion of the tooth that is covered with enamel |
| Anatomic Root | Tooth root |
| Anterior | Toward the front |
| Apical Foramen | The natural opening at the end of the root |
| Buccal | Adjacent to the cheek |
| Cementum | Tissue that covers the anatomic root |
| Cingulum | Lingual lobe of a front tooth |
| Cusp | Round surfaces of teeth |
| Deciduous | Baby teeth |
| Dentin | Tissue underlying enamel and cementum |
| Dentition | The kind, number, and arrangement of teeth |
| Distal | Farthest from the midline |
| Enamel | Outermost covering of the crown |
| Eruption | Appearing in the mouth |
| Exfoliation | The shedding process of promary teeth |
| facial | Adjacent to the lips and cheeks |
| Frenulum Linguae | A fold under the tongue which limits movement |
| Gingiva | Gums |
| Incisal | Biting surface of front teeth |
| Interproximal | Denoting the area between two teeth |
| Labial | Adjacent to the lip |
| Lingual | The surface that touches the tongue |
| Mandible | Lower jaw |
| Maxilla | Upper jaw |
| Mesial | Towards the middle |
| Mucous membrane | Membrane that lines passages that communicate with air |
| Occlusal | Mashing surface of posterior teeth |
| Odontoblast | Cell in dental pulp which forms dentin |
| Periodontal Ligament | Holds tooth in the socket |
| Posterior | Toward the back |
| Pulp | Tissue that makes up the canal chamber |
| Quadrant | Left or right half of an arch |
| Retromolar Area | Space behind the last molar on the mandible |
| Salivary Gland | Glands which produce and secrete saliva |
| Sinus | Hollow space |
| Succedaneous | Any permanent tooth that replaces baby teeth |
| Tuberosity | The most distal aspect of the maxilla |