chapter 9 oral manifestations of systemic diseases Flashcards
excess hormone production by the anterior pituitary; caused by pituitary adenoma;
hyperpituitarism
____ results if it hyperpituitary occurs before the closure of long bones
gigantism
results when hypersecretion(hyperpituitarism) occurs during adult life
acromegaly
poor vision, light sensitivity, enlargement of hands and feet, increase in rib size
hyperpituiarism
enlargement of maxilla and mandible could cause separation of teeth and malocclusion; frontal bossing, enlagement of nasal bones may lead to deepening of voice
hyperpituitarism
thickened lips and macroglossia
hyperpituitarism
common cause is graves disease-autoimmune disorder in which a substance is produced that abnormally stimulates thyroid gland; other causes: hyperplasia of the gland, benign and malignant tumors of thyroid, pituitary gland disease , metastatic tumor
hyperthyroidism(thyrotoxicosis)
rosy complexion, erythema of palms, excessive sweating, fine hair, softened nails; exophthalmos; anxiety, weakness, restlessness, and cardiac problems
hyperthyroidism
premature exfoliation of deciduous teeth in children and premature eruption of permanent teeth; osteoporosis; caries and perio develop rapidly; burning tongue
hyperthyroidism
a decreased output of thyroid hormone causes developmental disturbances, autoimmune disease, iodine deficiency, drugs, and pituitary disease
hypothyroidism
when hypothy occurs in infancy and childhood
cretinism
when hypothy occurs in older children and adults
myxedema
in infants, thickened lips, enlarged tongue, delayed eruption of teeth
adults: enlarged tongue
hypothyroidism
increases the uptake of dietary calcium from the gi tract and is able to move calcium from bone to circulating blood when necessary
parathyroid hormone
hypercalcemia and hypophosphatemia
hyperparathyroidism
may have join stiffness and pain; lethargy and coma with severe disease; loss of lamina dura, mottled bone;
radiolucencies; appear to be central giant cell
bone may have mottled appearance and loss of lamina dura
hyperparathyroidism
brown tumor
hyperparathyroidism
caused by rapid osteoclastic activity due to hyperparathyroidism, resulting in a local destructive phenomenon ; ends of long bones, pelvis and ribs, mandible
brown tumor
______ is the most common cause of secondary hyperparathyroidism
kidney failure
bones, stones, abdominal groans, psychic moans and fatigue overtones
hyperparathyroidism
a chronic disorder of carb metabolism characterized by abnormally high blood glucose levels
diabetes mellitus
a severe hyperglycemia can lead to
diabetic coma
ketone can be produced by the breakdown of
fatty acids- ketoacidosis lowers ph of blood
dark, thick, velvety skin in body folds and creases
acanthosis nigricans