What Causes a Cracked Tooth or fracture tooth
- Amaze Dental
- Jan 17
- 2 min read
Updated: Feb 23
Cracked teeth can lead to discomfort and frustration, affecting both dental health and quality of life. Understanding why a tooth cracks is key to preventing it and seeking timely treatment.
The Anatomy of a Tooth
What causes a cracked tooth, it's essential to know the basics of tooth anatomy. Teeth comprise several layers: the outer enamel, the middle dentin, and the inner pulp. Cracks can develop in any of these layers, each with different implications for dental health.

For example, tiny cracks might be invisible but can still cause sensitivity and pain, affecting about 30% of adults at some point. In contrast, severe cracks can lead to infections, requiring extraction if not treated promptly.
Common Causes of Tooth fracture
1. Excessive Force
Excessive biting forces are primary contributors to cracked teeth. This can happen due to grinding teeth at night or clenching teeth regularly often affecting 10% of the adult population, biting hard foods like nuts and ice, or even using teeth as tools to open packages. Over time, repeated pressure can cause cracks to form.
2. Age
As people age, their teeth tend to become more brittle. Statistics show that around 30% of individuals over 60 may experience tooth cracks due to years of wear and tear. Each bite adds to this cumulative effect, making older teeth more susceptible to damage.
3. Temperature Changes
Rapid temperature fluctuations can stress teeth. For instance, consuming hot coffee followed by ice water can cause expansion and contraction in tooth structure. This kind of thermal stress can increase the risk of cracking, especially if done repeatedly.
4. Trauma

Injuries to the mouth, whether from sports or accidents, can also result in cracked teeth. Even minor bumps can leave significant damage if they strike a tooth. Research shows that about 15% of dental injuries occur during sports activities.

Symptoms of a Cracked Tooth or fracture tooth
Recognizing cracked tooth or fracture tooth symptoms early can prevent further issues. Common signs include:
Sudden sharp pain while biting or chewing.
Sensitivity to hot or cold foods and drinks.
Discomfort when consuming sweet items.
If you notice these symptoms, it's important to consult Amaze Dental to address the issue before it worsens.
Tooth Fracture Prevention Measures
Preventing cracked teeth involves a few straightforward strategies.
Avoid Hard Foods: Be cautious with hard candies, ice, and nuts that can place excessive pressure on your teeth.
Use a Mouthguard: For those who grind their teeth at night, wearing a mouthguard can protect dental health.
Regular Dental Check-ups: Regular visits to the dentist can help catch early signs of cracks before they worsen.
Dental Treatments: If you have large fillings or crowns, talk to your dentist about ways to strengthen your teeth.
By implementing these simple preventive measures, you can reduce risk of cracked teeth significantly.
Taking Charge of Your Dental Health
Understanding the causes of cracked teeth or fracture tooth allows you to take proactive steps in prevention and treatment. While teeth are strong, they have their limits. Stay informed about dental health risks and practice good care to help maintain your smile for years to come.
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