Biomineralization and Dental Tissue Regeneration Quiz
5 Questions
4.6 Stars

Biomineralization and Dental Tissue Regeneration Quiz

Test your knowledge on biomineralization, mineralized dental tissues regeneration, and repair with this quiz. Explore topics such as demineralization, remineralization dynamics, ion precipitation, biomimetic approaches, tissue engineering principles, and the reparative capacity of the pulp.

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Questions and Answers

What is the main component of enamel by percentage?

95% calcium and phosphate (hydroxyapatite crystals)

What is the critical pH for enamel dissolution?

4.5 – 5.5

What is the role of saliva in preventing caries?

It is supersaturated with calcium and phosphate ions, slowing down caries progression

What are the trace minerals found in the crystal lattice of enamel?

<p>Fluoride, carbonate, sodium, zinc, strontium, potassium</p> Signup and view all the answers

What is the thickness of enamel at the neck region and lateral surfaces of the crown?

<p>1-3 mm</p> Signup and view all the answers

Study Notes

Dental Tissue Regeneration and Repair: Key Points

  • Biomineralization is a natural repair process for non-cavitated lesions in dental hard tissues.
  • Demineralization and remineralization dynamics are crucial for understanding tooth structure repair.
  • Ion precipitation and biomimetic remineralization approaches are important for dental tissue regeneration.
  • Modern principles of tissue engineering are used in repairing tooth structure, focusing on remineralization.
  • The potential reparative capacity of the pulp is a significant aspect of dental tissue repair.
  • Enamel thickness varies across different regions of the tooth, ranging from 1-5 mm.
  • Enamel is primarily composed of 95% calcium and phosphate in the form of hydroxyapatite crystals, with trace minerals and organic materials.
  • Enamel matrix calcification occurs during development, forming enamel prisms with varying density and hardness.
  • The critical pH for enamel, at 4.5-5.5, is the point where enamel begins to dissolve due to acid production by bacteria in the biofilm.
  • Saliva is supersaturated with calcium and phosphate ions, slowing down the progression of caries.
  • Bacteria in the biofilm continue to produce acid with sugar consumption, leading to a drop in plaque pH to 4.
  • Enamel permeability, fluid movement, and diffusion are important factors in understanding enamel properties and repair processes.

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