Pathology Flashcards
(135 cards)
Primary Teeth?
- 20 (8 incisors, 4 canines, 8 molars)
- A-T
- no premolars or third molars
Age of mixed dentition?
6-12
Permanent Teeth?
- 32 (8 incisors, 4 canines, 8 premolars, 12 molars)
- 1-32
When do 3rd molars erupt?
17-21
Most commonly missing teeth?
3rd molars > lateral incisors > 2nd premolars
-last teeth in each series
Most common supernumerary teeth?
- permanent
- males
- maxillary
- mesiodens
Cleidocranial Dystosis?
congenital disorder of bone
-abnormal clavicles, skull, jaw, long bones
Gardner’s syndrome?
- multiple impacted supernumerary teeth with multiple osteomas
- familial colorectal polyposis
Parulus?
gum boil
-abscess that drains to root
Dental origin of acute cellulitis?
- strep
- bacteroides
Cause of dental caries?
- plaque
- sugar
- strep mutans
S. mutans enzyme?
glucosyl transferase
Xylitol function?
prevents decay by interfering with S. mutant
- decreases plaque
- promotes remineralization
Cause of gingivitis?
plaque around neck of teeth cause swelling of gums
Pathophys of periodontal disease and CVD?
inflames gums and sends bacterial infection through blood that triggers C-reactive protein to inflame arteries and clot blood
Acute necrotizing ulcerative gingivitis?
- punched out papilla
- caused by smoking, steroids, stress, poor hygiene
- spirochetes and bacteroides
Causes of enamel erosion?
- soda
- energy drinks
- lemons
- bulimia
- GERD
- mallory weis
- esophagitis
- barretts esophagus
Triggers for apthous ulcers?
- CMV
- hormones (female, puberty)
- nutrition (zinc)
- allergies (autoimmune type 4 hypersensitivity)
- crohns
HSV1 and HSV2 latency?
1- trigeminal ganglion
2-sacral ganglion
-treat with acyclovir, valtrex
HPV types causing cervical cancer?
16 and 18
What oral cancers does HPV cause?
tonsils and base of tongue (16)
Mallory weis tears?
longitudinal tears at GE junction due to retching from alcohol intoxication
HIV+ patient with infectious esophagitis. Diagnosis?
Candidiasis
Herpes esophagitis?
- punched out ulcers
- nuclear viral inclusions