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Showing page 1 of 22 (198 total shorts) — subject: "Periodontics"
#1 Periodontics
The ideal thickness for a graft is typically between 1.0 to 1.5 mm to ensure adequate healing and integration.
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Answer
Ideal thickness of graft should be 
 1. 1.0 to 1.5 mm
 2. 0.25 to 0.5 mm
 3. 0.5 to 1 mm
 4. 2-3 mm
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#2 Periodontics
The least involved furcation is seen in the maxillary first premolar.
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Answer
Least involved furcation is 
 1. Mandibular first molar
 2. Maxillary first molar
 3. Maxillary first premolar
 4. Mandibular second molar
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#3 Periodontics
2% fluoride is one of the most commonly used desensitizing agents in dentistry. It works by strengthening enamel and reducing the permeability of dentin, which helps alleviate sensitivity in teeth. Fluoride treatments are widely used in clinical practice to manage dentinal hypersensitivity effectively.
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Answer
Most commonly used desensitising agent
1) Iontophoresis
2) 2 % Fluoride
3) Formalin
4) Sodium hypochloride
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#4 Periodontics
Supragingival calculus: visible, whitish/yellow, mineral source = saliva.

Subgingival calculus: harder, darker, mineral source = gingival crevicular fluid.

Both act as plaque-retentive factors, worsening periodontal disease.
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Answer
Which of the following is true about calculus?
1) Supragingival calculus is usually white/yellow and derives minerals from saliva
2) Subgingival calculus is dark/greenish-black and derives minerals from gingival crevicular fluid
3) Both supragingival and subgingival calculus contribute to periodontal disease
4) All of the above
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#5 Periodontics
Tension theory: Suggests that collagen fibres of the PDL stretch under load, transmitting forces to alveolar bone.

Shock conduction theory: Proposes that the PDL acts mainly as a medium to conduct forces to alveolar bone, which serves as the true shock absorber.

Viscoelastic theory: Considers the PDL as a viscoelastic material, dissipating forces through both elastic and viscous properties.

Thixotrophic theory: Not a recognized mechanism for PDL shock absorption; relates to fluid viscosity changes under stress.
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Answer

Which of the following theories explains the periodontal ligament’s role in dissipating occlusal forces by transmitting them directly to alveolar bone rather than absorbing them itself?

1) Tension theory
2) Shock conduction theory
3) Viscoelastic theory
4) Thixotrophic theory

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#6 Periodontics
Histologic examination of desquamative gingivitis shows loss of basement membrane.
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Answer

Histologic examination of desquamative gingivitis shows 
1. Hyperkeratosis
2. Loss of retepegs
3. Loss of basement membrane
4. All of the above

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#7 Periodontics
The enlargement of gingiva caused by cyclosporine is a non-inflammatory fibrous overgrowth, which is a common side effect of the immunosuppressant medication.
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Answer
Cyclosporine enlargement of gingiva can be classified as
1) Non inflammatory
2) Inflammatory
3) Developmental
4) Malignant
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#8 Periodontics
Addressing significant occlusal prematurities prior to surgical intervention prevents undue stress and facilitates proper healing, while finer adjustments can be made post-surgically.1
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When should the correction of occlusal prematurities be performed? 1 At the same time as soft tissue surgery 2 Before starting soft tissue therapy 3. Gross corrections should be done be- fore surgery and finer adjustments after surgery 4. After tissue healing, following surgery is completed
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#9 Periodontics
agranulocytosis, leukemia, and granulocytopenia—can significantly impact the health of the gingiva by affecting the immune response and increasing susceptibility to infections. 
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Answer
Systemic conditions which can affect the health of the gingiva are
1. agranulocytos
2. leukemia
3. granulocytopenia
4. all of the above
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