Does Replacing a Fallen Filling Damage Healthy Tooth Structure?
Will re-filling a dental restoration that has fallen out (without cavities) harm the natural tooth? Hello, doctor. I have had two long-standing questions regarding dental fillings, but I have been unable to find information. We know that if a cavity is refilled, it will cause som...
Dr. Zeng Guanghui reply Dentistry
If the filling material has come off, before re-filling, it is essential to check whether the original cavity still has softened or compromised tooth structure. If there is none, simply disinfect the area thoroughly and re-fill. However, if there is still softened or compromised ...[Read More] Does Replacing a Fallen Filling Damage Healthy Tooth Structure?
Should You Ignore a Painless Oral Lump? When to See a Dentist
There is a painless lesion in the oral cavity? Based on the description, there is a bump located in the area indicated by the white circle in the image, which was discovered in May of this year. It is not painful and has not ulcerated; it feels smooth when touched with the tongue...
Dr. Zeng Guanghui reply Dentistry
It is recommended to consult a dentist for further examination. Dr. Tseng Guang-Hui from Nantou Hospital's Dental Department.[Read More] Should You Ignore a Painless Oral Lump? When to See a Dentist
Understanding Tooth Decay: Do You Need a Root Canal or a Filling?
Cavities inquiry? Doctor, there is a small gap (the walls of the cavity are hard) on the edge of my canine and premolar teeth. I can insert an interdental brush, and when it touches the cavity, I feel a slight acidity but no pain; there is no spontaneous pain, and there is only a...
Dr. Zeng Guanghui reply Dentistry
It is recommended to consult a dentist for further examination, as X-rays may be necessary to determine the extent of the cavities. This will help in deciding whether a filling is needed or if root canal treatment is required. Dr. Tseng Guang-Hui, Department of Dentistry, Nantou ...[Read More] Understanding Tooth Decay: Do You Need a Root Canal or a Filling?
Should You Fill the Hole After Root Canal Treatment?
Should a cavity be filled after root canal treatment? On June 30th, I experienced severe pain in my upper left tooth while eating. After brushing my teeth, I discovered a small cavity and went to see a dentist. The dentist informed me that the tooth had decayed to the nerve and r...
Dr. Zeng Guanghui reply Dentistry
If the root canal treatment is halfway completed and not yet finished, the permanent filling will be done after the root canal treatment is completed, and consideration will be given to placing a crown to protect the tooth. Dr. Tseng Guang-Hui, Department of Dentistry, Nantou Hos...[Read More] Should You Fill the Hole After Root Canal Treatment?
Understanding Itchy Tooth Roots: Causes and Solutions
Itchy teeth? Hello, a few days ago I suddenly felt intense itching around the root of my tooth. I visited the dentist, and the doctor prescribed anti-inflammatory medication for me, but there hasn't been any improvement; I still have the itching sensation at the root of my t...
Dr. Zeng Guanghui reply Dentistry
The periodontal tissues surrounding the tooth root may be experiencing inflammation or infection, or there may be sensitivity to hot and cold in the tooth root. It is recommended that if there is no improvement, you should return for a follow-up appointment for a detailed examina...[Read More] Understanding Itchy Tooth Roots: Causes and Solutions
Is a Crown Necessary After Microscopic Root Canal Treatment?
Microscopic root canal treatment for dental crowns? Hello Doctor, I have a pus-filled abscess on the gum above my first molar. The dentist examined it and recommended root canal treatment. I inquired about microscopic root canal treatment, and the dentist believes that the access...
Dr. Zeng Guanghui reply Dentistry
If the access cavity during root canal treatment is relatively small and there is sufficient remaining tooth structure after the procedure, it is generally acceptable to seal the access opening afterward. In the short term, as long as hard foods are avoided, it should not lead to...[Read More] Is a Crown Necessary After Microscopic Root Canal Treatment?
Tooth Pain After Second Vaccine Dose: What You Need to Know
Toothache after the second dose of the vaccine? Doctor, I just received my second dose of the vaccine (Moderna + BNT) yesterday. This morning, while having breakfast, I suddenly experienced occlusal pain in my teeth. Taking pain medication provided some relief; however, I have ne...
Dr. Zeng Guanghui reply Dentistry
If the pain is located near the upper right canine but there is no visible cavity on the crown, it may be necessary to suspect the presence of decay between the teeth or inflammation of the tooth root itself. It is advisable to consult a dentist for further evaluation and treatme...[Read More] Tooth Pain After Second Vaccine Dose: What You Need to Know
Dealing with a Shrimp Spike: Dental Concerns and Treatment Options
The upper jaw was punctured by a shrimp? Hello, doctor. Last week, I accidentally got pricked in the upper jaw by a shrimp while eating. At the time, I felt a sharp sensation when I touched it. I initially wanted to remove the thorn, but after fiddling with it, it disappeared (I’...
Dr. Zeng Guanghui reply Dentistry
If it truly penetrates into the upper gum tissue and causes a fistula, it is recommended to seek surgical removal by a dentist or an otolaryngologist. Dr. Tseng Kwang-Hui, Department of Dentistry, Nantou Hospital.[Read More] Dealing with a Shrimp Spike: Dental Concerns and Treatment Options
Understanding Gum Pain from Wisdom Teeth: When to Seek Further Dental Care
Wisdom teeth biting into the upper gum can cause gum pain? Hello Doctor, yesterday I felt pain in the gums where my upper left wisdom tooth was removed. The pain comes in waves and radiates throughout the entire upper left gum. I took painkillers, but they didn't help, so I ...
Dr. Zeng Guanghui reply Dentistry
If the upper wisdom tooth was extracted and the lower wisdom tooth is grinding against the upper gum, the lower wisdom tooth can be reshaped to prevent further irritation to the upper gum. However, if the upper gum continues to be painful after reshaping, it is important to consi...[Read More] Understanding Gum Pain from Wisdom Teeth: When to Seek Further Dental Care
Understanding Pinkish Dents on Your Teeth: When to Seek Dental Care
The surface of the tooth has a depression revealing a pink color? Hello, Doctor. My incisors and canine teeth both have indentations on their surfaces. Previously, I visited a regional hospital and told the dentist about the indentations on my incisors. He said it was just wear a...
Dr. Zeng Guanghui reply Dentistry
If the wear has reached the second layer of dentin, causing symptoms of sensitivity to hot and cold, it is advisable to consult a dentist for further treatment. Dr. Tseng Guang-Hui, Department of Dentistry, Nantou Hospital.[Read More] Understanding Pinkish Dents on Your Teeth: When to Seek Dental Care
Understanding Temporary Swelling in the Mouth: Causes and Solutions
Oral issues I have a small swelling on the upper left side of my mouth near the throat that sometimes occurs when I eat. It is not painful and usually disappears about an hour after eating. What could be the cause of this? Thank you.
Dr. Zeng Guanghui reply Dentistry
It may be sebaceous glands or small salivary glands within the oral mucosa. It is recommended to consult a dentist for further examination. Dr. Tseng Guang-Hui, Department of Dentistry, Nantou Hospital.[Read More] Understanding Temporary Swelling in the Mouth: Causes and Solutions
Should Dental Crowns Fully Cover Tooth Structure? Expert Insights
Can fixed dentures be designed to not completely cover the dental substrate? After I had my all-ceramic crown placed, I noticed a black outline at the junction of the outer edge of the tooth and the gum. I asked the dentist who installed the crown, and he replied that it was the ...
Dr. Zeng Guanghui reply Dentistry
If the height of the teeth is sufficient and aesthetics are not a concern, it is better for the margin of the fixed prosthesis to be placed above the gum line, as this allows for easier cleaning and reduces the risk of gingival inflammation. However, if the height of the teeth is...[Read More] Should Dental Crowns Fully Cover Tooth Structure? Expert Insights
Unhealed Gum Wound and Jaw Pain: Seeking Solutions for Dental Issues
Non-healing gum ulcer and pain in the temporomandibular joint? My daughter is 28 years old and three months ago, she injured the inner gum of her upper left molar while brushing her teeth incorrectly. It has been very painful (this area has a crown). She has visited several denta...
Dr. Zeng Guanghui reply Dentistry
It is recommended to consult a periodontist to assess the periodontal condition and check for any signs of gingival inflammation. Additionally, it is advisable to see an oral surgeon to examine the temporomandibular joint for any issues. Dr. Tseng Guang-Hui, Department of Dentist...[Read More] Unhealed Gum Wound and Jaw Pain: Seeking Solutions for Dental Issues
Persistent Gum Pain: Causes, Treatments, and Solutions for Relief
Gum pain persists? Hello, Doctor: I am 37 years old. I had my wisdom teeth removed in my twenties. For the past three years, I have been experiencing recurrent inflammation in the gum of my upper left molar and the adjacent tooth. Previously, maintaining good oral hygiene would h...
Dr. Zeng Guanghui reply Dentistry
If the gums are persistently inflamed and the teeth are loose, it indicates that the alveolar bone has already undergone resorption. If symptoms do not improve after water laser treatment, it is recommended to consult a periodontist to evaluate the need for periodontal flap surge...[Read More] Persistent Gum Pain: Causes, Treatments, and Solutions for Relief
Managing Oral Ulcers and Bad Breath: When to Seek Dental Care
Ulcer, halitosis? On April 28, I had a mouth ulcer and visited an ENT specialist three times, with the last appointment on May 8. After finishing the medication, I felt that the ulcer was healing, so I stopped going for follow-ups. Now, the largest ulcer is no longer painful, but...
Dr. Zeng Guanghui reply Dentistry
1. If the sore in the mouth is no longer very painful and has a yellowish coating, it indicates that the wound is gradually healing. As long as oral hygiene is maintained, it should heal slowly. 2. If there is a persistent problem with bad breath, it may indicate gingival inflamm...[Read More] Managing Oral Ulcers and Bad Breath: When to Seek Dental Care
Understanding Tooth Sensitivity After Dental Fillings: Causes and Solutions
Tooth sensitivity or toothache? I recently visited the dentist for a check-up, and the doctor took a full-mouth X-ray, which showed no cavities. Later, I mentioned that there were black lines on the surface of my teeth and some demineralization with slight discoloration on the si...
Dr. Zeng Guanghui reply Dentistry
Preventive filling of the occlusal surface with resin is generally done using a low-hardness flowable resin, which will gradually wear down over time due to occlusion. If there is discomfort in the gums, it is advisable to return for a check-up to see if the filled resin is too h...[Read More] Understanding Tooth Sensitivity After Dental Fillings: Causes and Solutions
Understanding Upper Jaw Abscesses: Causes, Treatments, and Concerns
Maxillary abscess Hello, doctor. I’m not sure if you misunderstood my previous question, so I would like to ask again. Thank you. I have two abscesses: one is located on the gum next to my molar, and the other is on the upper gum next to my incisor. After the root canal treatment...
Dr. Zeng Guanghui reply Dentistry
If during root canal treatment, after the injection of medication intended to promote bone regeneration, pain is felt and a previously resolved abscess reappears, it is possible that the medication was injected into the area surrounding the apex of the tooth root where the absces...[Read More] Understanding Upper Jaw Abscesses: Causes, Treatments, and Concerns
Gray Hard Object Behind Molar: Possible Dental Issues Explained
A gray, hard object has appeared behind the molars? Hello Doctor: Over the past couple of days, I noticed a gray, hard area behind the last molar on the lower right side of my mouth, which seems to be in the gum area. When I pull my cheek outward, I can clearly see the blind spot...
Dr. Zeng Guanghui reply Dentistry
A gray, hard mass appearing behind the molars may be due to the proliferation of submucosal sebaceous glands. It is recommended to consult an oral surgeon or dentist for further examination. Dr. Tseng Guang-Hui, Department of Dentistry, Nantou Hospital.[Read More] Gray Hard Object Behind Molar: Possible Dental Issues Explained
Managing Oral Ulcers and Bad Breath: When to Seek Dental Care
Ulcers, halitosis? On April 28, I had a mouth ulcer and visited an ENT specialist three times, with the last appointment on May 8. After finishing the medication, I felt that the ulcer was healing, so I didn't go for further consultations. Now, the largest ulcer is no longer...
Dr. Zeng Guanghui reply Dentistry
If mouth sores persist for more than two weeks without complete healing, it is advisable to consult a dentist or an otolaryngologist for further evaluation. Dr. Tseng Guang-Hui, Department of Dentistry, Nantou Hospital.[Read More] Managing Oral Ulcers and Bad Breath: When to Seek Dental Care
White Lesions and Visible Blood Vessels After Braces: What to Know
White oral mucosa with prominent blood vessels and leukoplakia while wearing braces? I have been wearing braces for 1 year and 1 month. It is possible that the wire has repeatedly irritated the tissue near the second molar, specifically the area behind the salivary gland opening....
Dr. Zeng Guanghui reply Dentistry
It is recommended to return for a follow-up appointment with a dentist for further examination. Dr. Tseng Guang-Hui, Department of Dentistry, Nantou Hospital.[Read More] White Lesions and Visible Blood Vessels After Braces: What to Know