Dr. Zeng Guanghui reply Dentistry Question - Page 43

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Understanding Molars: Is Gum Recession Causing Your Tooth Sensitivity?

Gum recession of molars Six months ago, I had pain in my upper left molar, and the dentist removed the old amalgam filling and replaced it. After the procedure, my condition improved, but I still experience sensitivity when eating cold foods, and occasionally, there is a dull ach...


Dr. Zeng Guanghui reply Dentistry
1. After filling a cavity in a molar, sensitivity to cold and pain may occur, possibly due to the extent of the original decay being significant and close to the dental pulp. It is recommended to monitor the situation, and if the sensitivity persists, root canal treatment should ...

[Read More] Understanding Molars: Is Gum Recession Causing Your Tooth Sensitivity?


Dealing with Loose Front Teeth: What You Need to Know After an Injury

Loose front teeth Recently, I accidentally bumped into a wall while walking, which caused my front tooth to become severely loose, bleed, and hurt. I visited the dentist, who said there was basically no major issue, but if the nerve dies after a few years, I would need a dental i...


Dr. Zeng Guanghui reply Dentistry
After a tooth is subjected to impact, it may lead to injury and inflammation of the periodontal ligament. If there is minimal mobility after the impact, maintaining oral hygiene and avoiding hard foods can allow for recovery. However, there is also a possibility of irreversible d...

[Read More] Dealing with Loose Front Teeth: What You Need to Know After an Injury


Concerns After Dental Cleaning: Gum Pain and Bleeding Explained

Dental cleaning, gum injury? Hello, doctor. The day before yesterday, I went to a dental clinic in Chiayi for a teeth cleaning. During the procedure, the dentist asked me if I was in pain or if the pressure was too much. I said I was fine, but then the pressure increased. After t...


Dr. Zeng Guanghui reply Dentistry
If there is severe inflammation of the gums or significant accumulation of dental calculus, there may be bleeding or mild sensitivity and pain after a dental cleaning. This typically improves gradually over the course of 3-4 days. During this period, it is important to maintain o...

[Read More] Concerns After Dental Cleaning: Gum Pain and Bleeding Explained


Understanding Dental Crowns: Do You Need a Root Canal First?

Braces? Nerves? I had a silver filling in my molar when I was a child, and I don't remember it being painful. It lasted for over 20 years, but the filling has fallen out twice. The dentist replaced it with resin for aesthetic reasons, but it seems like the cavity keeps getti...


Dr. Zeng Guanghui reply Dentistry
1. If the extent of tooth decay is too severe to be filled, a dental crown should be considered to restore the tooth's shape and occlusal function. When placing a crown, the tooth must be prepared, and if the remaining tooth structure is inadequate, there is a risk of exposi...

[Read More] Understanding Dental Crowns: Do You Need a Root Canal First?


Understanding Dental Bridges: Repair Options and Material Impact on Oral Health

Dental bridge reconstruction Hello Doctor: Recently, my dental bridge has become loose (a bridge with 4 teeth, missing 2 teeth in the middle, involving molars 1 and 2, and premolars 1 and 2). During my visit, the dental crown was removed, leaving only a small portion of the tooth...


Dr. Zeng Guanghui reply Dentistry
The feasibility of creating a dental bridge depends on whether the supporting teeth are sufficiently strong and whether the periodontal condition is stable. It is advisable to consult a dentist for an evaluation. Additionally, if the material of the bridge is a so-called base met...

[Read More] Understanding Dental Bridges: Repair Options and Material Impact on Oral Health


Can You Use a Water Flosser After Temporary Dental Filling?

Can I use a water flosser after temporary dental fillings for cavities? The upper left molar (tooth #27) used to feel temporarily sensitive after consuming acidic foods, but recently, there has been a mild sensitivity when biting down hard, although there is no discomfort from ho...


Dr. Zeng Guanghui reply Dentistry
1. The hardness of the interim restorative material (IRM) used for filling is insufficient. If excessive force is applied with a dental water jet, the IRM may wear down. Additionally, if the original cavity was deep and close to the nerve, it may cause slight sensitivity. 2. Ne...

[Read More] Can You Use a Water Flosser After Temporary Dental Filling?


Understanding Tooth Extraction and Post-Treatment Options

Questions about tooth extraction and subsequent treatment? Hello, doctor. A few days ago, I visited a nearby dentist due to pain in my upper right gums. The dentist informed me that the last three teeth in the upper right quadrant had reached a point where extraction was necessar...


Dr. Zeng Guanghui reply Dentistry
1. If the dental crown is severely damaged or if advanced periodontal disease affects chewing function, extraction is recommended. 2. If multiple teeth have been extracted, resulting in a large edentulous area, traditional fixed dental bridges may not be suitable, and dental impl...

[Read More] Understanding Tooth Extraction and Post-Treatment Options


Understanding Tooth Mobility and Dental Health Concerns

The teeth themselves? I apologize for the questions, but I would like to ask the doctor a few things. Is it normal for healthy teeth to have slight mobility? Under what circumstances can the tooth roots be resorbed? What impact does getting dentures at this age have for the futur...


Dr. Zeng Guanghui reply Dentistry
1. Healthy teeth are anchored to the alveolar bone by the periodontal ligament and normally do not exhibit any slight mobility. 2. If dental caries in the molars leads to pulp infection that extends to the root, it may result in root resorption. Additionally, dental trauma can ...

[Read More] Understanding Tooth Mobility and Dental Health Concerns


What to Do When Your Front Tooth Turns Yellow and Becomes Sensitive After an Accident

If a front tooth has a chipped corner after a car accident and has started to turn yellow and become sensitive, it is important to take the following steps: 1. **Visit a Dentist**: Schedule an appointment with a dentist as soon as possible for a thorough examination and appropri...


Dr. Zeng Guanghui reply Dentistry
The above situation indicates that the dental nerve has likely become inflamed. If the sensitivity symptoms persist, it is recommended to undergo root canal treatment; otherwise, the dental nerve may necrose in the future, leading to an infection at the root apex and the formatio...

[Read More] What to Do When Your Front Tooth Turns Yellow and Becomes Sensitive After an Accident


Effective Solutions for Cavities Between Front Teeth Without Pain

Cavities in the gap between the front teeth? Hello, my front tooth has a cavity in the gap, which is affecting its appearance. However, I don't feel any pain at all. I have read online that dental fillings often fall out easily. Are there any other methods for remedying this...


Dr. Zeng Guanghui reply Dentistry
If the extent of tooth decay does not approach the dental pulp or is not deep, it may not necessarily cause pain. However, it is still recommended to address and treat it early to prevent the decay from spreading, which could ultimately lead to pulpitis or even apical periodontit...

[Read More] Effective Solutions for Cavities Between Front Teeth Without Pain


Understanding White Coating on the Tongue and Underneath: Dental Insights

Under the tongue The tongue appears white all over, and there is also a white patch underneath the tongue. Is this tongue coating?


Dr. Zeng Guanghui reply Dentistry
The above condition may be related to oral thrush, leukoplakia, or other white mucosal lesions. It is recommended to consult a dentist for further examination.

[Read More] Understanding White Coating on the Tongue and Underneath: Dental Insights


Understanding Oral Cavity Discomfort: Causes and Solutions

Oral cavity ulceration and tenderness? Hello, doctor. I often experience soreness in the grooves on both sides of my mouth, close to the back teeth, especially after eating or upon waking up, and it can last for a long time. This occurs at least five days a week. I initially thou...


Dr. Zeng Guanghui reply Dentistry
The above situation is likely due to chronic inflammation of the tongue mucosa combined with dry mouth and insufficient saliva production, causing frequent friction of the tongue or buccal mucosa against the teeth. The persistent soreness on both sides should raise concerns about...

[Read More] Understanding Oral Cavity Discomfort: Causes and Solutions


Can Dental Treatment Restore My Discolored Tooth to Its Original Color?

Tooth discoloration? I have seen many dentists for my toothache, but none have been able to identify the problem. The first dentist said it was due to dental calculus and gingival inflammation, and performed a cleaning, but the pain persisted and I developed a dental abscess. The...


Dr. Zeng Guanghui reply Dentistry
After the dental nerve has necrosed and the tooth has changed color, even after root canal treatment, the tooth color may not return to normal. However, any abscess will disappear. If you are concerned about the tooth color, you may consider placing a crown after the root canal t...

[Read More] Can Dental Treatment Restore My Discolored Tooth to Its Original Color?


Persistent Pain and Swelling at Tongue Base After Wisdom Tooth Extraction

Pain at the right base of the tongue without any wounds, and there seems to be a lump? Hello, doctor. About three years ago, I had my lower right wisdom tooth extracted, and to this day, I can still fit a whole grain of rice into the extraction site. I frequently experience pain ...


Dr. Zeng Guanghui reply Dentistry
In the above situation, it is recommended to consult an oral surgeon for a detailed examination to determine if there is any damage to the inferior alveolar nerve or the lingual nerve.

[Read More] Persistent Pain and Swelling at Tongue Base After Wisdom Tooth Extraction


Understanding Recurring Oral Ulcers: Healing and Symptoms Explained

Oral ulcers heal and then reappear with some white patches? Hello, doctor. I previously had a sore in my mouth that healed overnight. However, this time, the sore initially healed, but the next day it started to look a bit white and broken again. It healed again overnight, but af...


Dr. Zeng Guanghui reply Dentistry
The above situation may be due to the oral ulcer being irritated by friction, leading to re-inflammation. If it recurs frequently, it is advisable to consult a dentist for an examination.

[Read More] Understanding Recurring Oral Ulcers: Healing and Symptoms Explained


Severe Pain from First Premolar: Treatment Options for Deep Cavities

The first molar seems to be positioned very deep, causing pain when eating or drinking? My first upper molar is positioned quite inward. Previously, I would occasionally get food stuck in there, but I could easily remove it with a toothpick. Drinking slightly cold beverages would...


Dr. Zeng Guanghui reply Dentistry
The above condition indicates that the dental nerve is inflamed, and it is recommended to undergo root canal treatment.

[Read More] Severe Pain from First Premolar: Treatment Options for Deep Cavities


Understanding Upper Jaw Discomfort: Possible Causes and Solutions

Maxillary dental arch, oral cavity I would like to consult a doctor. Recently, I've been feeling something unusual with the gum tissue at the back of my upper right teeth. It feels slightly swollen when I bite down, but it doesn't appear to be inflamed or red. Today, I ...


Dr. Zeng Guanghui reply Dentistry
The above situation may indicate chronic gingival inflammation, or it could be due to chronic lesions on the epithelial surface of the gums. It is recommended to consult a dentist for further examination.

[Read More] Understanding Upper Jaw Discomfort: Possible Causes and Solutions


Understanding Oral Leukoplakia: Symptoms, Diagnosis, and Treatment Options

Oral leukoplakia Thank you, doctor, for taking the time to respond. The first three points were evaluated by an oral surgeon or an oral medicine specialist at a large hospital (I can't quite remember which). However, the doctor did not provide me with a diagnosis, so I still...


Dr. Zeng Guanghui reply Dentistry
Changes in the surface mucosa of the tongue, including atrophy of the lingual papillae, geographic tongue, and even discoloration leading to blackened papillae, suggest that it is advisable to consult an oral surgeon for further examination.

[Read More] Understanding Oral Leukoplakia: Symptoms, Diagnosis, and Treatment Options


Small Painless Cavity in the Upper Jaw: Should You Be Concerned?

There is a small indentation in the upper jaw that is not painful? Last week, I noticed a small indentation in the middle of my upper palate (at the midline, where the hard and soft palate meet) that is about the size of a mung bean. It is not painful and does not appear to be ve...


Dr. Zeng Guanghui reply Dentistry
There is a small indentation on the upper jaw at the junction of the hard and soft palate. It is not painful. It is recommended to consult a dentist for an examination to determine whether it is a mucosal injury or indicative of other infectious symptoms.

[Read More] Small Painless Cavity in the Upper Jaw: Should You Be Concerned?


Understanding Tooth Pain: Causes and When to Seek Help

Occlusal pain for one week? Hello, I have been experiencing pain in my second-to-last upper molar when eating. The pain isn't severe, but it hurts when I bite down hard; gentle biting doesn't cause pain. I don't have any particular sensitivity to hot, cold, sweet, ...


Dr. Zeng Guanghui reply Dentistry
If the second molar hurts when biting down but does not have any sensitivity to hot or cold, and tapping does not cause pain, and X-rays show no significant issues, it may indicate a hairline fracture in the tooth that is not very obvious. Although there has been no spontaneous p...

[Read More] Understanding Tooth Pain: Causes and When to Seek Help


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