MDS PREP
The relationship between the working edge of the instrument and the tooth surface is
1. Angulation
2. Access
3. Adaptation
4. Activation
Periodontics
Answer: 3
The relationship between the working edge of the instrument and the tooth surface is called adaptation.
Psychosomatic factors play an important role in the etiology of
1. acute necrotizing ulcerative gingivitis
2. acute herpetic gingivostomatitis
3. juvenile periodontitis
4. acquired immunodeficiency syndrome
Periodontics
Answer: 1
Psychological stressors can contribute significantly to the onset and
exacerbation of acute necrotizing ulcerative gingivitis, which often occurs in
individuals under stress or with compromised immunity.
When electrosurgery is correctly employed to prepare gingival tissues for making impressions, it will
1. Permanently alter the contour of gingival tissues
2. Reduce the gingival height
3. Remove a thin layer of crevicular gingival tissue
4. None of the above
Periodontics
Answer: 3
When electrosurgery is correctly employed to prepare gingival tissues for making impressions, it removes a thin layer of crevicular gingival tissue.