
Table of contents
1. What is tooth number 7?
Tooth number 7 (also known as the second molar) is one of the most important teeth in the dental arch. It is located in the 7th position from the incisors, belongs to the molar group, has a wide surface and many cusps to crush food.
Identification features:
– Larger and stronger than incisors.
– The surface has many pits and grooves, making it easy for plaque to accumulate.
– Usually grow at the age of 12-13, replacing baby teeth.
2. Position and function of tooth number 7
Tooth number 7 has two main roles:
Chewing function:
– Crush food before swallowing.
– Helps the digestive system work effectively.
Supported function structures:
– Maintains space between teeth, prevents misalignment.
– Distribute chewing force evenly, avoiding overloading other teeth.
3. Why is tooth number 7 vulnerable?
– Difficult to clean location: Located deep in the jaw, difficult to clean with a regular toothbrush.
– Complex structure: Many grooves create conditions for bacteria to grow.
– High chewing pressure: Bears the main chewing force so it is easy to wear and crack.
4. Common diseases of tooth number 7
4.1. Tooth decay
– Symptoms: Sharp pain when eating sweet/hot/cold foods, black holes appear on teeth.
– Cause: Poor hygiene, plaque buildup.
4.2. Pulpitis
– Symptoms: Severe pain at night, prolonged numbness.
– Consequences: If not treated promptly, the infection can spread to the jawbone.
4.3. Tooth loss
– Reason: Severe decay, trauma, or tooth extraction due to complications.
– Effects: Decreased chewing function, jaw bone loss.
5. How to treat problems with tooth number 7
5.1. Dental fillings
Application: Mild tooth decay, not affecting the pulp.
– Process: Clean cavities → Fill with composite.
5.2. Root canal treatment
– When needed: Pulpitis, tooth abscess.
– How to do: Remove damaged pulp → Clean root canal → Fill.
5.3. Porcelain crowns
– Purpose: Protect teeth after root canal treatment or weak teeth.
– Advantages: Restores shape and function like real teeth.
5.4. Dental Implant
– Case: Missing tooth number 7.
– Benefits: Prevents bone loss, chews firmly.
6. Protecting tooth number 7: Daily care tips
– Brush your teeth properly: Use a soft-bristled toothbrush, brush the chewing surface and between teeth thoroughly.
– Use dental floss: Clean food debris between tooth number 7.
– Gargle with salt water: Reduces bacteria, prevents tooth decay.
– Regular dental check-ups: every 6 months to detect problems early.
Foods to avoid:
– Sweets, carbonated drinks.
– Hard ice and chewy candy can easily crack teeth.
7. Answering questions about tooth number 7
Question 1: Will tooth number 7 be replaced?
→ Answer: Tooth number 7 is a permanent tooth and cannot be replaced if lost.
Question 2: Is it dangerous to remove tooth number 7?
→ Answer: Only extract when it cannot be preserved. If extracted, an implant should be placed to avoid bone loss.
Question 3: Is toothache number 7 due to wisdom teeth growing?
→ Answer: It could be due to impacted wisdom teeth. An X-ray is needed for examination.
If you have any questions about Emax porcelain teeth or other dental problems, please ASK the Sakura team of doctors via the form on the website. Don't forget to try the DENTAL QUIZ tool to discover more knowledge about oral care!