Chapter 34: Interpretation of Periodontal Disease

Chapter 34: Interpretation of Periodontal Disease

 

Complete Chapter Questions With Answers

 

Sample Questions Are Posted Below

 

MULTIPLE CHOICE

 

1. In health, the lamina dura around the roots of the teeth appears as a(n) _________ line.

a.	dense radiolucent
b.	dense radiopaque
c.	intermittent radiolucent
d.	intermittent radiopaque

 

 

ANS:  B

In health, the lamina dura around the roots of the teeth appears as a dense radiopaque line.

 

DIF:    Recall             REF:   Page 413        OBJ:   2

TOP:   CDA, RHS, I.C.2.b. Identify anatomical structures, dental materials, and patient information observed on radiographic images

MSC:  NBDHE, 2.4 Recognition of normalities and abnormalities

 

2. Your patient has been diagnosed as having a periodontal classification of ADA case type I. How far below the cement-enamel junction would you expect to see the crestal bone on the dental images?

a.	0.5 to 1.0 mm
b.	1.0 to 1.5 mm
c.	1.5 to 2.0 mm
d.	2.0 to 2.5 mm

 

 

ANS:  C

The normal healthy alveolar crest is located approximately 1.5 to 2.0 mm apical to the cemento-enamel junction.

 

DIF:    Application    REF:   Page 413        OBJ:   2

TOP:   CDA, RHS, I.C.2.b. Identify anatomical structures, dental materials, and patient information observed on radiographic images

MSC:  NBDHE, 2.4 Recognition of normalities and abnormalities

 

3. The normal periodontal ligament space appears as a ______________ line.

a.	thin radiopaque
b.	thin radiolucent
c.	thick radiopaque
d.	thick radiolucent

 

 

ANS:  B

The normal periodontal ligament space appears as a thin radiolucent line.

 

DIF:    Recall             REF:   Page 413        OBJ:   3

TOP:   CDA, RHS, I.C.2.b. Identify anatomical structures, dental materials, and patient information observed on radiographic images

MSC:  NBDHE, 2.4 Recognition of normalities and abnormalities

 

4. The periodontal ligament space is located between the root of the tooth and the

a.	crest of alveolar bone.
b.	lamina dura.
c.	cementum.
d.	spongy bone.

 

 

ANS:  B

The periodontal ligament space is located between the root of the tooth and the lamina dura.

 

DIF:    Recall             REF:   Page 413        OBJ:   2

TOP:   CDA, RHS, I.C.2.b. Identify anatomical structures, dental materials, and patient information observed on radiographic images

MSC:   NBDHE, 2.4 Recognition of normalities and abnormalities