Endodontics II 3 Dr.Koeung RathVisal
Endodontics II: Advanced Surgical Skills Quiz
Test your knowledge and skills in endodontics with this comprehensive 50-question quiz designed for dental professionals. This quiz covers essential topics in surgical techniques, dentin biology, and post-operative care.
Whether you're preparing for certification or seeking to enhance your understanding, this quiz is the perfect way to challenge yourself!
- 50 challenging questions
- Instant feedback on your answers
- Improve your surgical knowledge
Which of the following flap does not involve gingival margin, thus no risk of gingival recession?
Triangular flap
Rectangular flap
Submarginal flap
Papilla base flap
Which is the most demanding flap in term of the operator’s skill?
Triangular flap
Rectangular flap
Submarginal flap
Papilla base flap
For submarginal incision, the incision should be made at the level of:
1 mm apical to the base of the sulcus
2 mm apical to the base of the sulcus
3 mm apical to the base of the sulcus
4 mm apical to the base of the sulcus
Which statement is not true about the curettage of soft tissue lesion?
Complete curettage must always be done to ensure the success of the surgery
The curettage allows accessibility and visibility to the to the root tip
Complete curettage should not be attempted if blood supply to adjacent teeth or vital structure (e.g. Nerve bundle) is endangered.
The curettage should be performed before root end resection.
What may not be one of the ways to manage the bleeding during endodontic surgery?
Proper local anesthesia
Premedication with coagulating factors
Electrocoagulation
Obstruction by mechanical means, such as plugging bone cavity with bone wax.
Which is not one of the chemicals used to control the bleeding during endodontic surgery?
Epinephrine
Ferric sulfate
Formocresol
Aluminum chlorite
Why do we usually need to resect the root end for apical surgery?
Because the root end is not important in term of crown/root ratio
To provide a convenient access to the root canal for the apical instrumentation
Because the root end is usually curve lingually/palatally that it is hard to see the apical foramen.
Because the root end is rich of dentinal tubules.
What is the benefit of applying a cold compress to the surgical site on the day of the surgery?
To reduce swelling
To reduce pain
To speed up the healing process
To control the bleeding
When should we first see the patient again after an endodontic surgery?
1-2 days
2-3 days
3-5 days
5-7 days
When should we first detect the extent of bone fill following endodontic surgery?
1- 3 months
3-6 months
6 months-1 year
1 year-2 years
For endodontic surgery, when can suture be usually removed?
Within 1 days
Within 2 days
Within 3 days
Within one week
Which dentin is formed during tooth development?
Secondary dentin
Primary dentin
Tertiary dentin
Reparative dentin
Which dentin is formed physiologically after the tooth is fully developed?
Secondary dentin
Primary dentin
Tertiary dentin
Reparative dentin
Which dentin is formed in response to the injury?
Secondary dentin
Primary dentin
Tertiary dentin
Peritubular dentin
Which one is not another name of tertiary dentin?
Reparative dentin
Irregular secondary dentin
Reactive dentin
Mantle dentin
The diameter of dentinal tubules at the inner surface of the dentin is:?
1-1.5 m
1.5-2 m
2-2.5 m
2.5-3 m
In the peripheral dentin, the number of dentinal tubules is about:
10000/ mm2
20000/ mm2
1000/ mm2
2000/ mm2
At the inner surface of the dentin, the number of dentinal tubules is:
50/ mm2
500/ mm2
5000/ mm2
50000/ mm2
Which of the following may not be found in dentinal tubules?
Tissue fluid
Odontoblastic process
Collagen fibers
Elastic Fibers
Decreased size of pulp chamber and root canals of aged teeth is due to:
Primary dentin
Secondary dentin
Peritubular dentin
Mantle dentin
With increasing age, dentinal tubules:
Remain the same
Increasingly become larger
Increasingly become obliterated
May either remain the same or become larger
Which are the most numerous cells in the pulp?
Odontoblasts
Preodontoblasts
Fibroblasts
Mesenchymal stem cells
Which cells produce collagen and ground substance of the pulp tissue?
Odontoblasts
Preodontoblasts
Fibroblasts
Mesenchymal stem cells
Which cells serve as reserve cells in the pulp tissue?
Odontoblasts
Fibroblasts
Undifferentiated cells
Osteoblasts
Which of the following cells are not found in the pulp tissue?
Ameloblasts
Odontoblasts
Vascular and neural cells
Cells of immune system
Fibers in the pulp tissue are mainly:
Collagen
Elastic fibers
Both collagen and elastic fibers equally
Other types of fiber neither collagen nor elastic fibers
Pulp stones are most often seen in:
Aged pulp or chronically inflamed pulp
Young pulp or chronically inflamed pulp
Aged pulp or acute inflamed pulp
Young pulp or acute inflamed pulp
The clinical implication of pulp stones is:
The larger the pulp stone, the more painful the tooth will become
The larger the pulp stone, the more likely it may block access to canals or the root apex
Nothing
The presence of pulp stones helps clinicians in making an accurate diagnosis.
The most extensive branching of the blood vessels occurs in which part of the pulp tissue?
Centre of the pulp
In the root canal
Near the apex
In the subodontoblastic layer
The innervation of the pulp tissue consists of:
A-fibers and C-fibers
A-fibers and B-fibers
B-fibers and C-fibers
C-fibers and D-fibers
The plexus of Raschkow is located:
Beneath the cell-free zone
Beneath the cell-rich zone
In the center of the pulp chamber
Beneath the odontoblast layer
Which of the following statements is not correct about the age changes in the dental pulp?
The odontoblastic layer becomes reduced or missing
Fibrosis is common
Pulp stones decrease
Number of cells is reduced
What does CDJ stands for?
Cementodentinal junction
Cervicodentinal junction
Cementodentinal joint
Cervicodentinal joint
Disparities between the radiographic apex and the apical foramen, and also a funnel-shaped opening to the foramen are due to:
Deposition of dentin
Deposition of cementum
Deposition of alveolar bone
Deposition of periodontal ligament
Cementum cannot be resorbed by:
Orthodontic movement
Inflammatory lesions in periodontal ligament
Idiopathic resorption
Tooth drifting
Which cell type is the source of radicular cyst formation?
Periodontal ligament cells
Cementoblasts
Fibroblasts
Epithelial cell rests of Malassez
Lamina dura is:
A radiopaque narrow zone lining the socket of the tooth seen radiographically
A radiolucent narrow zone lining the socket of the tooth seen radiographically
A radiopaque narrow zone surrounding the apex of the tooth seen radiographically
A radiolucent narrow zone surrounding the apex of the tooth seen radiographically
The absence of lamina dura is usually indicative of:
Periradicular inflammation
Pulp inflammation
Root resorption
Resorption of cementum
What are the responses of the pulp tissue to non-destructive stimuli?
Minute and rapid movement of dentinal fluid
Minute and slow movement of dentinal fluid
No response
Huge amount and rapid movement of dentinal fluid
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