DEFINITION/OVERVIEW Absence of tooth or teeth due to developmental conditions, not to trauma or extraction Total anodontia: absence of all teeth due to failure in development Partial anodontia: failure in…

DEFINITION/OVERVIEW Variation in tooth size Macrodontia: crown oversized, root normal Microdontia: crown normal shape, but small Peg tooth: small, cone-shaped tooth with a single cusp Variation in tooth structure/shape Fusion:…

DEFINITION/OVERVIEW A malocclusion is any deviation from a normal occlusion due to skeletal influences (asymmetry or other deviation of bone that support the teeth) or an abnormal positioning of a…

DEFINITION/OVERVIEW A reversible inflammatory response of the marginal gum line; the earliest phase of periodontal disease ETIOLOGY/PATHOPHYSIOLOGY The gingiva covers the alveolar processes of the mandible and maxillae and conforms…

DEFINITION/OVERVIEW Microglossia: small tongue, also known as bird tongue Hereditary defect resulting in a small, narrow, curled tongue that is ineffective for nursing ETIOLOGY/PATHOPHYSIOLOGY Dog Lethal, glossopharyngeal defect Simple, recessive…