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Gum Disease vs Cavities: What’s the Difference and Why It Matters

February 2026 By Y3 Smiles Dental

Gum disease and cavities affect different parts of the mouth. Cavities damage tooth structure, while gum disease affects the gums and supporting bone. Both require professional assessment and tailored care.

Cavities (Tooth Decay)

Common signs

  • Sensitivity to sweet, hot, or cold
  • Visible holes or dark spots
  • Pain when biting

Pros of early treatment

  • Preserves natural tooth
  • Lower cost and simpler care

Cons of delaying

  • Risk of infection and root canal treatment
  • Possible tooth loss

Gum Disease (Gingivitis/Periodontitis)

Common signs

  • Bleeding gums
  • Swollen or tender gums
  • Persistent bad breath

Pros of early treatment

  • Reduces risk of tooth loss
  • Improves gum comfort and health

Cons of delaying

  • Bone loss around teeth
  • More complex treatment required

Indicative Australian Price Ranges

  • Check-up: $80 – $180
  • Scale and clean: $150 – $300
  • Filling: $200 – $350 (up to $550 for complex cases)
  • Deep periodontal cleaning: $250 – $600+ per visit

Local Service Area

Y3 Smiles Dental supports patients in Broadmeadows and nearby suburbs within 10 km, including Glenroy, Dallas, Meadow Heights, Jacana, Coolaroo, Roxburgh Park, Campbellfield, Fawkner, Westmeadows, and Hadfield.

⚠️ Educational only. All costs are indicative. Final treatment decisions and fees depend on individual assessment, in line with AHPRA advertising guidelines.

Need personalised advice?

This article is educational only. For personalised advice, assessment, and treatment planning, book a consultation with our team in Broadmeadows.