Chapter 16 Robbins

Question 1

one of the most common diseases worldwide
cause: focal demineralization of tooth structure (enamel and dentin) by acidic products of bacterial sugar fermentation
principal cause of tooth loss before age 35

Answer 1

caries

Question 2

inflammation of the oral mucosa surrounding the teeth, caused by accumulation of dental plaque (a sticky, colorless biofilm) and calculus that is most prevalent and severe in adolescence
clinical: erythema, edema, bleeding, contour changes, loss of soft tissue adaptation to teeth

Answer 2

gingivitis

Question 3

inflammatory process that affects the supporting structures of the teeth (periodontal ligaments) alveolar bone, and cementum

Answer 3

periodontitis

Question 4

can develop from 3 sources: spread of infection from pericranial contiguous focus in 25-50% of cases (sinuses, middle ear, or dental infection)
dental infections, ethmoid or frontal sinusitis: spreads to the frontal lobe, and
subacute/chronic otitis media or mastoiditis: spreads to the inferior temporal lobe and cerebellum

Answer 4

brain abscess

Question 5

periodontitis can be a feature of a these systemic disease of syndrome

Answer 5

AIDS
Leukemia
Crohn disease
Diabetes
Down syndrome
Sarcoidosis
Syndromes associated with DEFECTS in neutrophil

Question 6

common, often recurrent, exceedingly painful, superficial oral mucosal ulcerations of unknown etiology (especially if <20 y.o.)

associated with immunologic disorders including celiac disease, IBD, and Behçet disease

single or multiple, shallow, hyperemic, mucosal ulcerations covered by thin exudate and rimmed by narrow erythema zone

resolve spontaneously in 7 to 10 days

Answer 6

aphthous ulcers (canker sores)