MDS PREP
Bone graft procedures are most successful in treating
1) Furcation involvements
2) Deep, two-wall craters
3) Narrow three-wall defects
4) None of the above
Periodontics
Answer: 3
Bone graft procedures are most successful in treating narrow three-wall defects. These are defects that extend from the crest of the alveolar bone to the alveolar crest and involve only one surface of the tooth root. The success of a bone graft in such cases is due to the presence of three walls of intact bone that can provide stability and support for the graft material, allowing for predictable and effective regeneration of the missing bone tissue.
The bacteria found in gingivitis are located in the
1. alveolar bone
2. periodontal pocket
3. periodontal ligament
4 connective tissue of the marginal gingiva
Periodontics
Answer: 4
In gingivitis, bacteria primarily reside in the connective tissue of the
marginal gingiva and within the plaque biofilm on the tooth surface. This
location contributes to the inflammatory response seen in gingivitis.
Which of the following roots are most likely to have flutings in their mesial surfaces which will make thorough root planning difficult?
1. Maxillary central incisor
2. Mandibular second premolar
3. Maxillary first premolar
4. Mandibular canine
Periodontics Answer: 3
The maxillary first premolar often has developmental grooves and flutings on the
mesial surface that can complicate thorough root planing and make it more
challenging to fully debride the root surface.
A loosely adherent yellowish-white mass of cellular debris and microorganisms
on the teeth is termed
1. oral deposit
2. materia alba
3. dental plaque
4. salivary pellicle
Periodontics Answer: 2
Milky white, soft, and visible to the naked eye, Lacks the organized structure of dental plaquecomposed of Food debris, bacteria, dead tissue cells, leukocytes, and salivary proteins
A suturing needle used in periodontal surgery should have
1. A swedged suture needle
2. Have rounded point
3. Have double cutting edge
4. All of the above
Periodontics
Answer: 1
A suturing needle used in periodontal surgery should have a swedged suture needle.
Definite treatment for herpetic gingivostomatitis
1. Penicillin theraphy
2. Hydrogen peroxide mouth wash
3. Steroid therapy
4. No definite treatment
Periodontics
Answer: 4
There is no definite treatment for herpetic gingivostomatitis.
Subgingival curettage may result in all of of the following, except
1. root exposure
2. increased height of the gingiva
3. elimination of pockets
4. root sensitivity
Periodontics
Answer: 2
Subgingival curettage typically involves the removal of diseased tissue and can lead to root exposure and increased sensitivity. It may also help eliminate periodontal pockets. However, it does not result in an increased height of the gingiva; rather, it may lead to a reduction in gingival height due to tissue removal.
Crater-like gingival deformities are seen in
1. ANUG
2. JP
3. Chronic gingivitis
4. Adult periodontitis
Periodontics
Answer: 1
Crater-like gingival deformities are seen in ANUG.