Common Lesions

Question 1

Term for “mole” - benign melanocytic lesion

Answer 1

Nevus

Question 2

Term for “freckles” - brown pigmentation that develops following sun exposure

Answer 2

Ephelides

Question 3

Benign melanocytic lesion - macular (flat), increase in number in Caucasians with age, no change with UV exposure

Answer 3

Lentigo

Question 4

Benign skin lesion with a “stuck on” appearance - looks like “dropped on candlewax”

Answer 4

Seborrheic keratosis

Question 5

Precursor lesion for cutaneous squamous cell carcinoma. “Sandpaper” texture.

Answer 5

Actinic keratosis

Question 6

Prominent vessels, often an indication of sun damage

Answer 6

Telangectatic capillaries

Question 7

Usually over 40 yo often seen on forehead, central unbilication

Answer 7

Sebaceous hyperplasia

Question 8

Most common cancer in humans - seen in “mask area” with rolled borders, umbilicated center, and telangiectasia

Answer 8

Basal cell carcinoma

Question 9

Ectopic sebaceous glands - most common on the buccal mucosa

Answer 9

Fordyce granules

Question 10

Associated with the loss of vertical dimension. Candida, some may have co-infection with candida and staph

Answer 10

Angular cheilitis

Question 11

Variant of seborrheic keratosis that occurs in many black persons

Answer 11

Dermatosis papulosa nigra

Question 12

Most common site for recurrent HSV-1

Answer 12

Herpes labialis (vermilion border and/or adjacent skin of lips)

Question 13

Focal increase in melanin; also can occur as reactive melanosis in response to local trauma

Answer 13

Melanotic macule

Question 14

Focal deposition of mucous caused by damage of associated minor salivary gland duct

Answer 14

Mucocele

Question 15

Intracellular edema

Answer 15

Leukoedema

Question 16

Found along occlusal plane

Answer 16

Linea alba

Question 17

Cheek/tongue/lip biting/chewing

Answer 17

Morsicatio buccarum, linguarum, labiorum

Question 18

Benign collection of dense fibrous connective tissue

Answer 18

Fibroma

Question 19

Immunologically mediated process. Often as “striae” or lacy clinical presentation. Does not wipe off

Answer 19

Lichen planus

Question 20

Comprised of dense, vital, lamellar bone

Answer 20

Tori

Question 21

Found under sub-optimally fitting RPD or full denture, may also reflect nearly constant wear

Answer 21

Inflammatory papillary hyperplasia

Question 22

Inflamed minor salivary glands of the palate with hyperkeratosis around the orifices (often in pipe smokers)

Answer 22

Nicotine stomatitis

Question 23

Overgrowth of chromogenic bacteria and filiform papillae

Answer 23

Black hairy tongue

Question 24

Multiple grooves in tongue, often associated with geographic tongue

Answer 24

Fissured tongue

Question 25

Tongue sensitive to spicy or acidic food when lesions are present

Answer 25

Geographic tongue

Question 26

Part of Waldeyer's ring - Vertical lines at posterior lateral tongue often see lymphoid tissue in that area

Answer 26

Foliate papilla

Question 27

Intraoral opening of sinus track

Answer 27

Parulis

Question 28

Inflammation - most common in mandibular third molars

Answer 28

Pericoronitis

Question 29

Punched out interental papillae that do not regenerate

Answer 29

Necrotizing ulcerative gingivitis (NUG)

Question 30

Associated most often with poorly fitting dentures

Answer 30

Inflammatory fibrous hyperplasia

Question 31

Most often in older patients - lower lip frequent site. If thrombosed, will NOT blanch with diascopy

Answer 31

Varix

Question 32

Loss of continuity of an epithelial or epidermal covered surface

Answer 32

Ulcer

Question 33

Immune mediated - found on freely movable oral mucosa - "canker sore"

Answer 33

Aphthous ulcer

Question 34

Associated with NON-oncogenic HPV - color depends on amount of keratin on the surface

Answer 34

Squamous papilloma

Question 35

White patch with crisply defined margins that does not rub off and cannot be diagnosed clinically or microscopically as anything else

Answer 35

Leukoplakia

Question 36

Seen in root of tooth, need biopsy to confirm and assess vitality of adjacent teeth

Answer 36

Periapical cyst

Question 37

Develops due to fluid entrapment between crown of impacted tooth and reduced enamel epithelium

Answer 37

Dentigerous cyst

Question 38

Collection of fluid below maxillary sinus - maxillary sinus lining will be superior to the fluid collection - may get referred pain to maxillary teeth with altitudes (ex: flying)

Answer 38

Antal pseudocyst

Question 39

Radiopaque lesion at base of tooth - look for tooth or teeth with deep caries in area

Answer 39

Condensing osteitis

Question 40

Bony protuberances that arise from cortical plate

Answer 40

Exostoses

Question 41

Seen in a radiograph - dense, vital bone - no identifiable etiology - blends with surrounding trabeculae

Answer 41

Idiopathic osteosclerosis

Question 42

2 other names for idiopathic osteosclerosis

Answer 42

Enostosis or dense bone island