Second molar
Hello Doctor: I would like to ask you about my lower left second molar.
I previously had a filling in the center, but it has since developed a cavity.
Sometimes, when I drink hot water or if I haven't brushed my teeth for a while, I experience intermittent pain.
I notice there is some dark discoloration around it, but once I drink cold water or brush my teeth, the pain subsides for a while before returning.
Do I need a root canal, or should I just extract it? However, will it be difficult to extract since only about a quarter of a one-dollar coin's height is exposed?
Zheng Tongxue, 10~19 year old female. Ask Date: 2015/11/24
Dr. Zeng Guanghui reply Dentistry
The above situation may indicate that the dental pulp nerve is inflamed due to stimulation from deep cavities.
It is recommended to consult a dentist for further evaluation and treatment, which may include taking X-rays or performing pulp vitality tests to determine whether root canal therapy, re-filling the cavity, or extraction of the tooth is necessary.
Reply Date: 2015/11/24
More Info
Hello! Thank you for your question regarding your second molar. Based on your description, it sounds like you are experiencing intermittent pain in your lower left second molar, which has previously been filled and is now showing signs of decay again. The pain you feel when consuming hot beverages or after not brushing for a while, along with the presence of dark spots on the tooth, suggests that you may have a recurrent cavity or possibly an infection that could affect the pulp of the tooth.
Understanding the Situation
1. Symptoms: The fact that you experience pain with hot water but not with cold water or brushing could indicate that the tooth is sensitive to temperature changes, which is often a sign of underlying issues such as decay or pulpitis (inflammation of the dental pulp). The intermittent nature of the pain suggests that the issue may not be severe at the moment, but it is important to address it before it worsens.
2. Diagnosis: To determine whether you need a root canal or extraction, a thorough examination by a dentist is necessary. This typically includes X-rays to assess the extent of decay and to check for any signs of infection at the root of the tooth. If the decay has reached the pulp, a root canal may be required to save the tooth. If the tooth is severely damaged and cannot be restored, extraction may be the only option.
Treatment Options
1. Root Canal Treatment: If the tooth is still structurally sound and the decay has not progressed too far into the pulp, a root canal could be a viable option. This procedure involves removing the infected or damaged pulp, cleaning the inside of the tooth, and sealing it to prevent further infection. After a root canal, the tooth will typically need to be restored with a crown to provide strength and protection.
2. Extraction: If the tooth is too damaged or if the decay is extensive, extraction may be necessary. You mentioned that only a quarter of the tooth is exposed, which could complicate the extraction process. However, dentists are skilled at extracting teeth even when they are partially broken or decayed. They may use specialized tools to remove the tooth safely.
Considerations Before Proceeding
- Pain Management: If you are experiencing pain, it is advisable to see a dentist as soon as possible. They can provide pain relief and prevent further complications.
- Preventive Care: In the meantime, maintain good oral hygiene by brushing and flossing regularly, and avoid very hot or cold foods that may trigger pain.
- Consultation: Schedule an appointment with your dentist to discuss your symptoms in detail. They will perform a clinical examination and take X-rays to determine the best course of action.
Conclusion
In summary, whether you need a root canal or extraction depends on the extent of the decay and the condition of the tooth. It is crucial to seek professional dental care to evaluate your situation accurately. Delaying treatment could lead to more severe pain or complications, including the risk of infection spreading to surrounding tissues. Your dentist will guide you through the options based on their findings and your specific circumstances.
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