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Showing page 1 of 22 (198 total shorts) — subject: "Periodontics"
#1 Periodontics
The pocket depth is the measurement from the gingival margin (the edge of the gums) to the base of the gingival sulcus or periodontal pocket. 

A healthy sulcus is typically 1-3 mm deep. A depth of 6 mm indicates a periodontal pocket, which means there is a loss of epithelial attachment
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Answer
Pocket depth of 6 mm means
1) Width of attached gingiva is 6 mm
2) Width of free gingiva is 6 mm
3) Distance between gingival margin and base of sulcus
4) There is loss of epethelial attachment by 6 mm
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#2 Periodontics
Tetracycline is often prescribed for juvenile periodontitis (also known as aggressive periodontitis) due to its effectiveness against the specific bacteria involved in the condition, such as Aggregatibacter actinomycetemcomitans. 

It also has the added benefit of concentrating in the gingival crevicular fluid, where it can directly target the infection at the site.
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Answer
Which of the following antibiotics prescribed in case of juvenile periodontitis
1) Tetracycline
2) Erythromycin
3) Sulfadiazine
4) Cephalexin
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#3 Periodontics
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.
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Answer
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
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#4 Periodontics
 Iontophoresis

2% sodium fluoride (NaF) solution is the standard clinical concentration utilized for fluoride iontophoresis. This therapeutic technique uses a low-voltage electrical current to drive charged fluoride ions deeply into the tooth structure, accelerating the formation of fluorapatite crystals to effectively treat dentinal hypersensitivity and arrest early carious lesions.
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Answer
In dentistry, iontophoresis can be utilized for the desensitization of exposed dentine or the administration of local anesthetics. When preparing a sodium fluoride solution for fluoride iontophoresis to enhance enamel remineralization, what is the standard recommended concentration of sodium content used?

1) 1%
2) 2%
3) 3%
4) 4%
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#5 Periodontics

In the early stages of dental plaque formation, particularly within the first few days, the predominant microorganisms are typically cocci, especially Streptococcus species. These bacteria are among the first to colonize the tooth surface after a cleaning, forming a biofilm.

  • Lactobacilli are more commonly associated with mature plaque and caries development, as they thrive in acidic environments.
  • Fusiform bacilli and vibrios are more commonly found in later stages of plaque development or in specific conditions, such as periodontal disease.

Thus, in a two-day-old dental plaque, the majority of microorganisms will indeed be cocci

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Answer
Most of the microorganisms present a two day old dental plaque will be
1. lactobacilli
2. fusiform bacilli
3. vibrios
4. cocci
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#6 Periodontics
 
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Answer
The alveolar bone
1. contains fibrous bone
2. follows the slope of the adjacent cementoenamel junctions
3. comprises only of red bone marrow
4. regenerates easily after periodontal therapy
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#7 Periodontics
Pigmentation of chemicals in the mucosa is due to local deposition of chemicals in the mucosa.
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Answer
Pigmentation of chemicals in mucosa is due to 
 1. Increased permeability of blood vessels
 2. Local deposition of chemicals in muscosa
 3. Subepithelial precipitation in connective tissue at the site due to increased capillary permeability
 4. None of the above
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#8 Periodontics
The bone located labial to anterior teeth is typically compact bone but can be described as spongy or cancellous in some contexts referring to the internal structure, depending on proximity to the tooth roots.
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Answer
The type of bone present labial to anterior teeth is
1. spongy
2. cortical
3. cancellous
4. squamous
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#9 Periodontics
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.
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Answer
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
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