Which of the areas of the tooth is most sensitive during cavity preparation ?
Correct answer: D. Dentinoenamel junction
- A. Enamel (anterior teeth)
- B. Enamel (Posterior teeth)
- C. Dentin
- D. Dentinoenamel junction
Explanation
The dentinoenamel junction is especially sensitive during cavity preparation because dentinal tubules begin beneath it and transmit stimuli through dentin. Enamel itself lacks nerves, while the pulp is protected by the dentin layer.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? support@testustad.com
Practise Dentine and Pulp
67 free Dentine and Pulp MCQs from Oral Histology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Oral Histology questions like this
Oral Histology is on this paper prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for it.
More Dentine and Pulp questions
The cells that form secondary dentin are_______________?
The organic lining of the calcified dentinal tubules is known as_______________?
The type of tertiary dentin which contains cellular inclusions is found in_____________?
Transmission of stimulus across dentin is______________?
Compared to the inter tubular dentin, peritubular dentin is characterized by which of the following ?
All factors govering dentine permeability EXCEPT_______________?