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NEET MDS Quiz - Practice Test
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Practice Test

endodontics - 3 Questions

1
Endodontics
In class III Ellis fracture 
 1. Only enamel is involved
 2. Enamel and dentin are involved
 3. Enamel,dentin and pulp are involved
 4. Non-vital pulp

πŸ“ Explanation:

Class III: Enamel-Dentin-Pulp Fracture

  • Description: Involves enamel, dentin, and exposes the pulp.
  • Endodontic Consideration: This type of fracture typically requires endodontic treatment (root canal therapy) to manage the exposed pulp and prevent infection. The prognosis depends on the extent of the fracture and the vitality of the pulp.

2
Endodontics
A child had mid crown fracture in a permanent maxillary central incisor several month ago. The pulp is now necrotic, radiographic examination reveals an incompletely formed root with an open apex. Treatment of choice is 
 1. Formocresol pulpotomy
 2. Root canal therapy
 3. Calcium hydroxide pulpotomy
 4. Apexification

πŸ“ Explanation:

For a child with mid-crown fracture in permanent maxillary central incisor with necrotic pulp and incompletely formed root with open apex, the treatment of choice is apexification. This procedure is indicated because: 1) Open apex prevents conventional root canal obturation, 2) Necrotic pulp requires complete debridement, 3) Apexification induces calcified barrier formation at root apex, 4) Allows subsequent root canal obturation, 5) Preserves the tooth for normal function. Calcium hydroxide or MTA are commonly used materials for apexification. Pulpotomies are not indicated for necrotic pulps.

3
Endodontics
In an endodontically treated tooth
1) Resorption is more as compared to a normal tooth
2) Resorption is less
3) Resorption is same
4) Resorption is more after 2 years

πŸ“ Explanation:

Root resorption in endodontically treated (root canal) teeth is the same as in normal, vital teeth.

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