,Chapter 01: Introduction to Preliminary Diagnosis of Oral Lesions Ibse
WQ WQ WQ WQ WQ WQ WQ WQ WQ
n: Oral Pathology for the Dental Hygienist, 7th Edition
WQ WQ WQ WQ WQ WQ WQ WQ
MULTIPLE CHOICE WQ
1. Which descriptive term is described as a segment that is part of the whole?
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
a. Bulla
b. Vesicle
c. Lobule
d. Pustule
ANS: C W Q
A lobule is described as a segment or lobe that is part of a whole. A bulla is a large, elevated le
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
sion that contains serous fluid and may look like a blister. A vesicle is a small, elevated lesio
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
n that contains serous fluid. Pustules are circumscribed elevations containing pus.
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
REF: Vocabulary, Clinical of Soft Tissue Lesions, page 1
W Q WQ WQ WQ WQ WQ WQ WQ OBJ: 1 W Q
2. A lesion with a sessile base is described as
WQ WQ WQ WQ WQ WQ WQ WQ
a. an ulcer. WQ
b. stemlike.
c. pedunculated.
d. flat and broad. WQ WQ
ANS: D W Q
Sessile describes the base of a lesion that is flat and broad. An ulcer is a break in the surface
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
epithelium. A stemlike lesion is referred to as pedunculated. A pedunculated lesion is stemlike
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
or stalk-based (similar to a mushroom).
WQ WQ WQ WQ WQ
REF: Vocabulary, Clinical Appearance of Soft Tissue Lesions, page 1
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
OBJ: 1 WQ
3. Which condition is not diagnosed through clinical appearance?
WQ WQ WQ WQ WQ WQ WQ
a. Mandibular tori WQ
b. Fordyce granules WQ
c. Black hairy tongue WQ WQ
d. Compound odontoma WQ
ANS: D W Q
The compound odontoma is initially identified radiographically as a radiopaque area in which
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ W
tooth structure can be identified. No clinical component exists. Mandibular tori are identifie
Q WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
d clinically as areas of exostosis on the lingual aspects of mandibular premolars. Fordyce gra
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
nules are yellow clusters of ectopic sebaceous glands diagnosed through clinical appearance.
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ W
Black hairy tongue is diagnosed clinically. The filiform papillae on the dorsal tongue elonga
Q WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
te and become brown or black. Causes include tobacco, alcohol, hydrogen peroxide, chemica
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
l rinses, antibiotics, and antacids.
WQ WQ WQ WQ
REF: W Q Radiographic Diagnosis, page 9 WQ WQ WQ OBJ: 3 W Q
4. Another name for geographic tongue is WQ WQ WQ WQ WQ
, a. median rhomboid glossitis. WQ WQ
b. benign migratory glossitis. WQ WQ
c. fissured tongue. WQ
d. black hairy tongue. WQ WQ
ANS: B W Q
Benign migratory glossitis is another name for geographic tongue. Research suggests that me
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
dian rhomboid glossitis is associated with a chronic fungal infection from Candida albicans.
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
Sometimes the condition resolves with antifungal therapy. Fissured tongue is seen in 5% of th
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
e population. It is a variant of normal. Genetic factors are typically associated with the condi
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
tion. Black hairy tongue is caused by a reaction to chemicals, tobacco, hydrogen peroxide, or
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
antacids. The filiform papillae on the dorsal tongue become elongated and are dark brown t
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
o black.
WQ
REF: W Q Geographic Tongue, page 24 WQ WQ WQ OBJ: 7 W Q
5. This bony hard structure in the midline of the hard palate is genetic in origin and inherited i
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
n an autosomal dominant manner. The diagnosis is made through clinical appearance. Whic
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
h condition is suspected?
WQ WQ WQ
a. Palatal cyst WQ
b. Torus palatinus WQ
c. Mixed tumor WQ
d. Ranula
ANS: B W Q
A torus palatinus is developmental and bony hard and is found on the midline of the palate.
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
Diagnosis is made on the basis of clinical appearance. A palatal cyst appears radiolucent on
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
a radiographic examination and is not diagnosed through clinical appearance. A mixed tumor o
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
r pleomorphic adenoma is a benign tumor of salivary gland origin, found unilaterally off the
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
midline of the hard palate. It is composed of tumor tissue that is not bony hard to palpation.
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
Ranula is a term used for a mucocele-
WQ WQ WQ WQ WQ WQ WQ
like lesion that forms unilaterally on the floor of the mouth.
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
REF: W Q Torus Palatinus, page 21 WQ WQ WQ OBJ: 4 W Q
6. The gray- WQ
white opalescent film seen on the buccal mucosa of 85% of black adults is a variant of norm
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
al that requires no treatment and is termed
WQ WQ WQ WQ WQ WQ WQ
a. linea alba. WQ
b. leukoedema.
c. leukoplakia.
d. white sponge nevus. WQ WQ
ANS: B W Q
Leukoedema is a diffuse opalescence most commonly seen on the buccal mucosa in black
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
individuals. Linea alba is a “white line” that extends anteroposteriorly on the buccal mucosa
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
along the occlusal plane. It is most prominent in patients who have a clenching or grinding h
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
abit. Leukoplakia is a clinical term for a white lesion, the cause of which is unknown. White s
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
ponge nevus is a genetic (autosomal dominant) trait. Clinically, it is characterized by a soft
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
white, folded (or corrugated) oral mucosa. A thick layer of keratin produces the whitening.
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
REF: W Q W Q Leukoedema, page 23 WQ WQ OBJ: 8 W Q
, 7. Which condition most likely responds to therapeutic diagnosis?
WQ WQ WQ WQ WQ WQ WQ
a. Angular cheilitis WQ
b. Amelogenesis imperfecta WQ
c. Paget disease WQ
d. Stafne bone cyst WQ WQ
ANS: A W Q
Angular cheilitis most commonly responds to antifungal therapy once nutritional deficiencie
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
s have been ruled out. Amelogenesis imperfecta is a genetic condition associated with abnorm
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
al development of the enamel. Paget disease is a chronic metabolic bone disease. A highly el
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
evated serum alkaline phosphatase level contributes significantly to the diagnosis. A Stafne b
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
one cyst is determined through surgical diagnosis in which entrapped salivary gland tissue is
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
identified.
REF: W Q Therapeutic Diagnosis, page 18 WQ WQ WQ OBJ: 3 W Q
8. The gingival enlargement in this patient was caused by a calcium channel blocker. Which
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ W
Qmedication is the likely cause? WQ WQ WQ WQ
a. Dilantin
b. Nifedipine
c. Quinidine
d. Clozapine
ANS: B W Q
Nifedipine is a calcium channel blocker. Dilantin is an anticonvulsant used to prevent or contr
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
ol seizures. Quinidine is an antiarrhythmic agent used to treat cardiac arrhythmias. Clozapine
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
is an antipsychotic used in the management of psychotic symptoms in schizophrenia.
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
REF: W Q Historical Diagnosis, Fig. 1.38, page 17 WQ WQ WQ WQ WQ OBJ: 3 W Q
9. Radiographic features, including cotton- WQ WQ WQ
wool radiopacities and hypercementosis, are especially helpful in the diagnosis of
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
a. Paget disease. WQ
b. dentinogenesis imperfecta. WQ
c. anemia.
d. diabetes.
ANS: A W Q
Paget disease is a chronic metabolic bone disease. Radiographically, cotton-
WQ WQ WQ WQ WQ WQ WQ WQ WQ
wool radiopacities and hypercementosis are characteristic features. Dentinogenesis imperfect
WQ WQ WQ WQ WQ WQ WQ WQ
a is a genetic condition involving a defect in the development of dentin. Anemia, a decrease
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
in red blood cells, requires blood tests to determine the etiologic factors. Diabetes is a chroni
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
c disorder of carbohydrate metabolism characterized by abnormally high blood glucose level
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
s.
REF: W Q Laboratory Diagnosis, Fig. 1.40, pages 16, 18 WQ WQ WQ WQ WQ WQ OBJ: 3 W Q
10. In internal resorption, the radiolucency seen on radiographic examination is usually
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
a. well circumscribed. WQ
b. diffuse.
WQ WQ WQ WQ WQ WQ WQ WQ WQ
n: Oral Pathology for the Dental Hygienist, 7th Edition
WQ WQ WQ WQ WQ WQ WQ WQ
MULTIPLE CHOICE WQ
1. Which descriptive term is described as a segment that is part of the whole?
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
a. Bulla
b. Vesicle
c. Lobule
d. Pustule
ANS: C W Q
A lobule is described as a segment or lobe that is part of a whole. A bulla is a large, elevated le
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
sion that contains serous fluid and may look like a blister. A vesicle is a small, elevated lesio
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
n that contains serous fluid. Pustules are circumscribed elevations containing pus.
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
REF: Vocabulary, Clinical of Soft Tissue Lesions, page 1
W Q WQ WQ WQ WQ WQ WQ WQ OBJ: 1 W Q
2. A lesion with a sessile base is described as
WQ WQ WQ WQ WQ WQ WQ WQ
a. an ulcer. WQ
b. stemlike.
c. pedunculated.
d. flat and broad. WQ WQ
ANS: D W Q
Sessile describes the base of a lesion that is flat and broad. An ulcer is a break in the surface
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
epithelium. A stemlike lesion is referred to as pedunculated. A pedunculated lesion is stemlike
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
or stalk-based (similar to a mushroom).
WQ WQ WQ WQ WQ
REF: Vocabulary, Clinical Appearance of Soft Tissue Lesions, page 1
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
OBJ: 1 WQ
3. Which condition is not diagnosed through clinical appearance?
WQ WQ WQ WQ WQ WQ WQ
a. Mandibular tori WQ
b. Fordyce granules WQ
c. Black hairy tongue WQ WQ
d. Compound odontoma WQ
ANS: D W Q
The compound odontoma is initially identified radiographically as a radiopaque area in which
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ W
tooth structure can be identified. No clinical component exists. Mandibular tori are identifie
Q WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
d clinically as areas of exostosis on the lingual aspects of mandibular premolars. Fordyce gra
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
nules are yellow clusters of ectopic sebaceous glands diagnosed through clinical appearance.
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ W
Black hairy tongue is diagnosed clinically. The filiform papillae on the dorsal tongue elonga
Q WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
te and become brown or black. Causes include tobacco, alcohol, hydrogen peroxide, chemica
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
l rinses, antibiotics, and antacids.
WQ WQ WQ WQ
REF: W Q Radiographic Diagnosis, page 9 WQ WQ WQ OBJ: 3 W Q
4. Another name for geographic tongue is WQ WQ WQ WQ WQ
, a. median rhomboid glossitis. WQ WQ
b. benign migratory glossitis. WQ WQ
c. fissured tongue. WQ
d. black hairy tongue. WQ WQ
ANS: B W Q
Benign migratory glossitis is another name for geographic tongue. Research suggests that me
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
dian rhomboid glossitis is associated with a chronic fungal infection from Candida albicans.
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
Sometimes the condition resolves with antifungal therapy. Fissured tongue is seen in 5% of th
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
e population. It is a variant of normal. Genetic factors are typically associated with the condi
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
tion. Black hairy tongue is caused by a reaction to chemicals, tobacco, hydrogen peroxide, or
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
antacids. The filiform papillae on the dorsal tongue become elongated and are dark brown t
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
o black.
WQ
REF: W Q Geographic Tongue, page 24 WQ WQ WQ OBJ: 7 W Q
5. This bony hard structure in the midline of the hard palate is genetic in origin and inherited i
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
n an autosomal dominant manner. The diagnosis is made through clinical appearance. Whic
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
h condition is suspected?
WQ WQ WQ
a. Palatal cyst WQ
b. Torus palatinus WQ
c. Mixed tumor WQ
d. Ranula
ANS: B W Q
A torus palatinus is developmental and bony hard and is found on the midline of the palate.
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
Diagnosis is made on the basis of clinical appearance. A palatal cyst appears radiolucent on
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
a radiographic examination and is not diagnosed through clinical appearance. A mixed tumor o
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
r pleomorphic adenoma is a benign tumor of salivary gland origin, found unilaterally off the
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
midline of the hard palate. It is composed of tumor tissue that is not bony hard to palpation.
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
Ranula is a term used for a mucocele-
WQ WQ WQ WQ WQ WQ WQ
like lesion that forms unilaterally on the floor of the mouth.
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
REF: W Q Torus Palatinus, page 21 WQ WQ WQ OBJ: 4 W Q
6. The gray- WQ
white opalescent film seen on the buccal mucosa of 85% of black adults is a variant of norm
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
al that requires no treatment and is termed
WQ WQ WQ WQ WQ WQ WQ
a. linea alba. WQ
b. leukoedema.
c. leukoplakia.
d. white sponge nevus. WQ WQ
ANS: B W Q
Leukoedema is a diffuse opalescence most commonly seen on the buccal mucosa in black
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
individuals. Linea alba is a “white line” that extends anteroposteriorly on the buccal mucosa
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
along the occlusal plane. It is most prominent in patients who have a clenching or grinding h
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
abit. Leukoplakia is a clinical term for a white lesion, the cause of which is unknown. White s
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
ponge nevus is a genetic (autosomal dominant) trait. Clinically, it is characterized by a soft
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
white, folded (or corrugated) oral mucosa. A thick layer of keratin produces the whitening.
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
REF: W Q W Q Leukoedema, page 23 WQ WQ OBJ: 8 W Q
, 7. Which condition most likely responds to therapeutic diagnosis?
WQ WQ WQ WQ WQ WQ WQ
a. Angular cheilitis WQ
b. Amelogenesis imperfecta WQ
c. Paget disease WQ
d. Stafne bone cyst WQ WQ
ANS: A W Q
Angular cheilitis most commonly responds to antifungal therapy once nutritional deficiencie
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
s have been ruled out. Amelogenesis imperfecta is a genetic condition associated with abnorm
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
al development of the enamel. Paget disease is a chronic metabolic bone disease. A highly el
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
evated serum alkaline phosphatase level contributes significantly to the diagnosis. A Stafne b
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
one cyst is determined through surgical diagnosis in which entrapped salivary gland tissue is
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
identified.
REF: W Q Therapeutic Diagnosis, page 18 WQ WQ WQ OBJ: 3 W Q
8. The gingival enlargement in this patient was caused by a calcium channel blocker. Which
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ W
Qmedication is the likely cause? WQ WQ WQ WQ
a. Dilantin
b. Nifedipine
c. Quinidine
d. Clozapine
ANS: B W Q
Nifedipine is a calcium channel blocker. Dilantin is an anticonvulsant used to prevent or contr
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
ol seizures. Quinidine is an antiarrhythmic agent used to treat cardiac arrhythmias. Clozapine
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
is an antipsychotic used in the management of psychotic symptoms in schizophrenia.
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
REF: W Q Historical Diagnosis, Fig. 1.38, page 17 WQ WQ WQ WQ WQ OBJ: 3 W Q
9. Radiographic features, including cotton- WQ WQ WQ
wool radiopacities and hypercementosis, are especially helpful in the diagnosis of
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
a. Paget disease. WQ
b. dentinogenesis imperfecta. WQ
c. anemia.
d. diabetes.
ANS: A W Q
Paget disease is a chronic metabolic bone disease. Radiographically, cotton-
WQ WQ WQ WQ WQ WQ WQ WQ WQ
wool radiopacities and hypercementosis are characteristic features. Dentinogenesis imperfect
WQ WQ WQ WQ WQ WQ WQ WQ
a is a genetic condition involving a defect in the development of dentin. Anemia, a decrease
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
in red blood cells, requires blood tests to determine the etiologic factors. Diabetes is a chroni
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
c disorder of carbohydrate metabolism characterized by abnormally high blood glucose level
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
s.
REF: W Q Laboratory Diagnosis, Fig. 1.40, pages 16, 18 WQ WQ WQ WQ WQ WQ OBJ: 3 W Q
10. In internal resorption, the radiolucency seen on radiographic examination is usually
WQ WQ WQ WQ WQ WQ WQ WQ WQ WQ
a. well circumscribed. WQ
b. diffuse.
