Dr. Liu Tiancai reply Dentistry Question - Page 7

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Understanding Tooth Sensitivity: Causes, Treatments, and Solutions

Tooth sensitivity? Hello! 1. Every time I eat something hot or cold, my teeth feel sensitive and soft. This issue started after I had my teeth cleaned at the hospital. Is this related to the dental cleaning? 2. The toothpaste "DELICATE" marketed for sensitivity cont...


Dr. Liu Tiancai reply Dentistry
Hello! The sensitivity and discomfort in your teeth when consuming hot or cold foods is due to gum recession, which exposes the tooth roots, making them more sensitive. This is indirectly related to dental cleanings, as the roots are usually covered by tartar, and after a cleanin...

[Read More] Understanding Tooth Sensitivity: Causes, Treatments, and Solutions


Understanding Tooth Pain After Root Canal Treatment: Causes and Concerns

Toothache? Hello, Doctor. I have a question to ask. It's about my tooth... the last one on the left side. I had a root canal treatment done a year ago, and a dental post was placed. However, in the past few days, I've been experiencing pain when eating. Since the dental...


Dr. Liu Tiancai reply Dentistry
Hello! Root canal treatment involves removing the inflamed or necrotic nerve (dental pulp), enlarging and shaping the canal, disinfecting it, and then filling it with appropriate materials. If bacteria proliferate within the root canal, their toxins can cause inflammation of the ...

[Read More] Understanding Tooth Pain After Root Canal Treatment: Causes and Concerns


Bleeding Gums While Brushing: Is Stress and Sleep Deprivation the Cause?

excuse me? Doctor, I would like to ask, recently my gums have been bleeding when I brush my teeth, even when I brush gently, and it hasn't improved much. This has only started happening recently. Could this be related to stress and lack of sleep? Thank you.


Dr. Liu Tiancai reply Dentistry
Hello! Bleeding gums while brushing could indicate gingivitis or periodontal disease, as healthy gums should not bleed. The primary causes of gingivitis or periodontal disease are the accumulation of plaque or tartar around the teeth, leading to inflammation, often due to inadequ...

[Read More] Bleeding Gums While Brushing: Is Stress and Sleep Deprivation the Cause?


Managing Exposed Tooth Roots: Tips for Relief from Sensitivity

Exposed tooth roots Hello Doctor: For the past few months, I have been struggling with tooth sensitivity caused by exposed tooth roots. I have consulted a doctor, but they said my teeth are fine and that there is a slight issue with my periodontal health, which is not severe enou...


Dr. Liu Tiancai reply Dentistry
Hello! The common causes of root exposure include periodontal disease leading to alveolar bone resorption, which results in gum recession and exposes the tooth roots. If the periodontal issue is resolved, surgery may not be necessary. Additionally, improper brushing techniques ca...

[Read More] Managing Exposed Tooth Roots: Tips for Relief from Sensitivity


What to Do If a Dental File Breaks During Root Canal Treatment?

What should be done if a file breaks inside the root canal during root canal treatment? Dear Director, I underwent root canal treatment at a local dental clinic, where the dentist performed the procedure five times over nearly two months and took four X-rays. My tooth continued ...


Dr. Liu Tiancai reply Dentistry
Hello! The files used in general root canal treatment are made of stainless steel. If the root canal is curved, narrow, or if the file experiences elastic fatigue, there is a possibility of breakage within the canal. The instrument itself will not have adverse effects on the body...

[Read More] What to Do If a Dental File Breaks During Root Canal Treatment?


How to Correct Gaps and Misalignment in Teeth: Costs and Solutions

Please ask your question? Dear Doctor, I have gaps between my teeth and misalignment in my bite. My lower jaw is positioned more forward. What are the methods for correction, and what are the costs associated with each?


Dr. Liu Tiancai reply Dentistry
Hello! The gap in the teeth refers to a space in the central incisors or a gap caused by missing teeth? A gap in the central incisors can indeed affect aesthetics, and orthodontic treatment is recommended. If the gap is due to missing teeth, then considering dentures for restorat...

[Read More] How to Correct Gaps and Misalignment in Teeth: Costs and Solutions


Understanding Cavity Treatment: Materials, Longevity, and Safety Concerns

What is the treatment for cavities? Hello Dr. Liu, a few days ago I went to a dental clinic near my home for a teeth cleaning. After the cleaning, the dentist discovered that I had two cavities. During my second visit, he treated one of them by removing the decayed part and filli...


Dr. Liu Tiancai reply Dentistry
Hello! The normal procedure for filling a cavity involves first removing the decayed portion of the tooth, and then filling it with an appropriate material to restore the tooth, which will not regrow. Dental instruments that have not been sterilized may pose a risk of cross-conta...

[Read More] Understanding Cavity Treatment: Materials, Longevity, and Safety Concerns


Tooth Extraction and Mitral Valve Prolapse: What You Need to Know

Tooth extraction vs. mitral valve prolapse!? Hello Doctor: I was recently diagnosed with mitral valve prolapse and some regurgitation, which I don't quite understand. The doctor advised me to be cautious about bacterial endocarditis when undergoing tooth extraction or dental...


Dr. Liu Tiancai reply Dentistry
Hello: According to the American Heart Association's guidelines on the prophylactic use of antibiotics for the prevention of heart disease published in 1997, patients with mitral valve prolapse who have associated regurgitation need to take antibiotics prior to certain denta...

[Read More] Tooth Extraction and Mitral Valve Prolapse: What You Need to Know


Dealing with Bad Odor from Gum Recession Around Dental Crown

What should I do? Doctor, I have a molar on the lower right side that has a crown, but my gum has receded, exposing some dark areas. To prevent food from getting stuck and worsening the situation, I always clean it thoroughly with a toothpick after each meal. However, I recently ...


Dr. Liu Tiancai reply Dentistry
Hello! The basic requirement for braces is that they must fit snugly against the teeth; any gaps can increase the risk of cavities. If you notice a foul smell after using a toothpick, it indicates that new cavities may have developed, and the braces should be removed. Whether or ...

[Read More] Dealing with Bad Odor from Gum Recession Around Dental Crown


Everything You Need to Know About Wisdom Tooth Extraction

Regarding wisdom tooth extraction? I had my lower right wisdom tooth extracted at the end of June this year, and the doctor advised me to have the upper and lower left wisdom teeth extracted soon. I would like to ask: (1) Will having a second extraction in a short period of time ...


Dr. Liu Tiancai reply Dentistry
Hello! If the original extraction site has healed and there is no discomfort, extracting another wisdom tooth on the opposite side will not have any impact. As for whether to extract both upper and lower wisdom teeth at the same time, considerations such as the duration of the su...

[Read More] Everything You Need to Know About Wisdom Tooth Extraction


Complications After Wisdom Tooth Extraction: What You Need to Know

Aftermath of Wisdom Tooth Extraction~~ Hello, I had my wisdom teeth removed over a month ago, but on the fifth day after the extraction, I developed a purulent discharge and sinusitis. After evaluation, the doctor also found issues with my temporomandibular joint (TMJ). I would l...


Dr. Liu Tiancai reply Dentistry
Hello! Generally speaking, when extracting maxillary molars (including wisdom teeth), one must be aware of the potential complication of maxillary sinusitis. The primary reason for this is that, in most cases, there is a bony structure separating the roots of the maxillary teeth ...

[Read More] Complications After Wisdom Tooth Extraction: What You Need to Know


Understanding Wisdom Teeth: Risks, Nerve Damage, and Dental Imaging Concerns

Wisdom teeth Hello Dr. Liu, I apologize for bothering you with more questions. On June 7th, I went to see about my wisdom tooth, which is the one on the lower right side. This tooth is somewhat encased in gum tissue, so initially, two X-rays were taken, but the doctor said they ...


Dr. Liu Tiancai reply Dentistry
Hello! Wisdom teeth often fail to erupt properly due to insufficient space, resulting in what is known as "impacted teeth." In some cases, the roots of these teeth may be very close to the mandibular nerve canal, which poses a risk of nerve injury during extraction if n...

[Read More] Understanding Wisdom Teeth: Risks, Nerve Damage, and Dental Imaging Concerns


Understanding Wisdom Teeth: Common Issues and Concerns Explained

Wisdom teeth Hello Dr. Liu, I have issues with both of my upper and lower wisdom teeth on the right side: 1. The upper right wisdom tooth has visible decay on its surface. Does this indicate that the cavity inside is severe? This tooth has fully erupted. If I do not extract it...


Dr. Liu Tiancai reply Dentistry
Hello! Generally speaking, the fate of wisdom teeth on the same side is intertwined, meaning that if one needs to be extracted, the other should also be removed to prevent future eruption that could cause occlusal interference and lead to cavities in adjacent teeth. 1. The dark...

[Read More] Understanding Wisdom Teeth: Common Issues and Concerns Explained


How Long Can You Tolerate Tooth Decay Pain Before Seeking Treatment?

How long can one tolerate a cavity? Hello, doctor. I am currently studying abroad and will return to my home country in two weeks. Three weeks ago, I started experiencing severe pain in the last molar of my upper left jaw. This tooth had been previously filled, but the filling co...


Dr. Liu Tiancai reply Dentistry
Hello! Based on the symptoms you described, it seems that the tooth has likely affected the nerve (pulpitis). It may not be advisable to wait another two weeks; it is best to visit a dental clinic for emergency pulp treatment (removal of the nerve from the pulp chamber and medica...

[Read More] How Long Can You Tolerate Tooth Decay Pain Before Seeking Treatment?


Understanding Oral Sores After Wisdom Tooth Extraction: Causes and Solutions

Condition Hello, I had my wisdom tooth extracted two weeks ago, but shortly after, my mouth started to get sores very easily. I didn't even bite down, but I ended up with a large ulcer, and there are many of them. It's affected my appetite. Could this be a condition or ...


Dr. Liu Tiancai reply Dentistry
Hello! Based on the symptoms, it appears to be oral mucosal ulcers (oral thrush). This condition often occurs after surgery and is related to autoimmunity. It typically heals spontaneously within two weeks. Applying Kenalog ointment locally can help alleviate pain. Best wishes fo...

[Read More] Understanding Oral Sores After Wisdom Tooth Extraction: Causes and Solutions


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