Disease & Condition Directory

Cavity

Last updated: September 15, 2026
5 min read
Medically Verified
What is Cavity (Tooth Decay)?

What is Cavity (Tooth Decay)?

Understanding Cavity

What is Cavity (Tooth Decay)?

Tooth cavity professionally termed Dental Caries, is progressive,infection disease that destroys the hard tissue of a tooth.A cavity is a literal hole or damage left behind on tooth surface as a result of decay.

Signs and Symptoms

  • Visible holes or Dark spots

  • Food lodgement

  • Pain while chewing

  • Bad breath

  • Sensitivity to hot or cold

  • Tooth pain ( If left untreated)

Causes

  • Poor brushing habits

  • Sugary foods and drinks

  • Dry mouth

  • Bacteria buildup (plaque & calculus)

  • Irregular dental checkups

  • Inadequate fluoride exposure

Risk Factors

  • Frequent snacking habits

  • Smokers

  • Diabetic patients

  • Poor oral hygiene habits

  • Children 

Stages of the Disease

  • Stage 1:-   Early Decay :- The outer layer enamel is weakened by acids released by bacteria, causing loss of minerals and appear as white,chalky spots on tooth.

  • Stage 2:-  Cavity Formation:- The enamel breaks down further as loss of minerals continue, reaches second layer known as dentin and decay progresses faster leaving behind a permanent hole known as cavity.

  • Stage 3:-  Pulp damage :- The decay penetrates the pulp containing nerves and blood vessels,causing severe tooth aches,swelling of tissues around tooth and discomfort.

  • Stage 4:-  Dental Abscess:- The infection reaches root tip over the time period, if left untreated, causing severe local infection and pus accumulation(abscess)

What Happens If Left Untreated?

  • Tooth pain (mild to severe)

  • Sensitivity to hot and cold

  • Tooth fracture

  • Swelling (Intra/ Extraoral)

Diagnosis at Singh Dental Care :- Whenever patient comes to Singh Dental Care with chief complaint of cavity in teeth, we do

  • Clinical Examination - To see the condition of oral cavity

  • Take intraoral pictures - To aware patient about condition of his oral cavity

  • Taking digital Xrays - To confirm the extent of decay

  • Diagnosis and Treatment - To relieve patient of their discomfort in best possible way

What will be the treatment Options 

  • Dental Fillings :- At stage 1 and stage 2

  • Root Canal Treatment :- At stage 3 and stage 4( if possible clinically)

  • Tooth Extraction :- If prognosis of affected tooth is not good

Prevention Tips

  • Brush twice daily

  • Use fluoride toothpaste

  • Reduce sugary items intake

  • Avoid frequent snacking habits

  • Visit dentist every 6 months



D

Dr. Bikramjeet Singh

BDS & Fellowship in Implantology

Chief Dental Surgeon & Implantologist • Singh Dental Care

This clinical condition overview has been authored and verified by dental specialists at Singh Dental Care to ensure evidence-based, safe, and accurate oral healthcare guidance.

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Disclaimer: The information provided above is for educational purposes only and should not be considered as medical advice. Please consult with a qualified dental professional for diagnosis and treatment options.