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Pyorrhoea is a ______ infection, which affects the gum tissues and if left untreated, often leads to the subsequent loss of teeth.
1. viral 
2. bacterial 
3. fungal
4. parasitic 

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Correct Answer - Option 2 : bacterial 

The correct answer is bacterial.

  • Pyorrhoea is a bacterial infection, which affects the gum tissues and if left untreated, it often leads to the subsequent loss of teeth.

  • Pyorrhoea is a serious gum infection that damages the gums, ligaments and can destroy the jawbone.
  • Pyorrhea is caused by bacteria is known as Pyorrhea alveolaris.
  • The symptoms of Pyorrhea are bleeding gums, pus discharge, bad breath, and loose teeth.

Bacteria

  • Bacteria were discovered by Anton Van Leeuwenhoek.
  • Bacteria belong to the animal kingdom - Monera.
  • Reproduction of bacteria is mainly by binary fission.
  • The different shape of bacteria is classified into Coccus, Bacillus, Vibrio, and Spirillum.
    • Coccus - Spherical or oval-shaped bacteria.
    • Bacillus - Rod-shaped bacteria.
    • Vibrio - comma-shaped bacteria.
    • Spirillum - Spiral-shaped bacteria.
  • ​The bacterial diseases are Cholera, Tuberculosis, Typhoid, Plague, Syphilis, Anthrax, Leprosy, Tetanus, Diphtheria, Pertussis. 

Virus

  • The virus was discovered by Dimitri Ivanoski.
  • A virus is a nucleoprotein.
  • It can replicate only inside the living cell of an organism.
  • Nucleoprotein contains either DNA or RNA as genetic material.
  • The protein coating of a virus is known as Capsid.
  • ​The viral diseases are COVID, Chickenpox, Common Cold, Measles, Polio Myelitis, Rabies, Smallpox, Dengue fever, Chikungunya, SARS, Swine flue, Bird flue, Mumps.

Fungus

  • Fungi are multinucleated.
  • The body of the fungus is made up of filaments are called Mycelium.
  • The fungal diseases are Athlete foot, Ringworm, Aspergillosis, Candidiasis.

Parasites

  • Parasitic disease is an infectious disease caused or transmitted by a parasite.
  • The parasitic diseases are Malaria, Trichomoniasis, Toxoplasmosis, Cryptosporidiosis.

Confusion Point 

  • Bacteria and Protozoa both are reasons to cause Pyorrhoea.
  • Bacterial Pyorrhoea is found in large quantities in comparison to Protozoa.

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