Understanding Dental Concerns: Black Lines and Tooth Discoloration Explained
Inquiry Consultation Dear Dr. Lin, Hello. I have a concern regarding my upper left second molar. There is a "U-shaped" black line on the outer side, and when I touch it, it feels like a depression, resembling a seam. Additionally, the tooth underneath the black line ap...
Dr. Lin Jiayong Reply:
Hello: 1. Old and new fillings cannot achieve a complete seal, so if removal and replacement are necessary, it is generally recommended to remove all of the old filling material. Otherwise, the junction between the old and new materials may still become discolored or darken. 2. I...[Read More] Understanding Dental Concerns: Black Lines and Tooth Discoloration Explained
Why Do Root-Filled Teeth Still Crack Despite Crowns?
The root of a tooth that has undergone root canal treatment has fractured? Hello Dr. Lin, I would like to ask: why do my teeth that have undergone root canal treatment and have been protected with crowns still experience root fractures several years later? This has happened to se...
Dr. Lin Jiayong Reply:
Hello: If you have a habit of grinding your teeth at night or clenching your jaw when stressed, it can indeed lead to the situation you mentioned. It is advisable to address the underlying causes first; otherwise, even with root canal treatment and crowns, the tooth roots may sti...[Read More] Why Do Root-Filled Teeth Still Crack Despite Crowns?
Understanding Healing After Wisdom Tooth Extraction: What to Expect
There is a hole after wisdom tooth extraction? Hello, doctor. I had a revision surgery on August 3rd, and I returned for suture removal on August 10th. After the sutures were removed, I noticed a hole at the site of the previous incision, and the tissue hasn't completely hea...
Dr. Lin Jiayong Reply:
Hello: Generally, gum wounds will completely close within about one month. However, if there was bone recontouring at that time, it will take at least 3 to 6 months for the bone to fully heal![Read More] Understanding Healing After Wisdom Tooth Extraction: What to Expect
Is There Cavities Under Your Dental Filling? What You Need to Know
Is there decay under the filling? Hello, doctor. I would like to ask if the grayish appearance seen under a filling from years ago could indicate tooth decay? If there is only a small amount of decay, can it be detected on an X-ray? Additionally, if there is leakage around a fill...
Dr. Lin Jiayong Reply:
Hello: A re-fill usually requires the complete removal of the old filling material before placing new dental material. Otherwise, effective bonding between the old and new materials cannot be achieved, which may lead to failure! It is essential to have a dentist conduct an actual...[Read More] Is There Cavities Under Your Dental Filling? What You Need to Know
Is Your Gums Bleeding After Eating Steak? When to See a Dentist
Eating steak feels like having an injury on my gums, as if there's a wound? Hello doctor, a few days ago I ate steak, and because my teeth are misaligned, I accidentally bit my gums hard and caused them to bleed. Should I let it heal on its own, or do I need to see a dentist...
Dr. Lin Jiayong Reply:
Hello: If it occurs repeatedly and with high frequency, it is advisable to consult a physician for examination or further treatment to confirm if there are any underlying issues![Read More] Is Your Gums Bleeding After Eating Steak? When to See a Dentist
Understanding Post-Root Canal Treatment: Do You Need a Crown?
A crown is needed after root canal treatment? Hello Doctor, I have been observing my molar root canal for a month. Last week, I returned for a dental check-up. Although there is no inflammation or pain, I noticed a significant sensitivity when I lightly tapped my molar with my fi...
Dr. Lin Jiayong Reply:
Hello: It is advisable to observe for a while longer. After all, if there is currently percussion pain, starting to chew with a prosthesis may cause more discomfort! Even if a root canal treatment is redone now, it would still be a matter of waiting for the body to heal, and ther...[Read More] Understanding Post-Root Canal Treatment: Do You Need a Crown?
Post-Wisdom Tooth Extraction: Common Issues and Relief Strategies
Post-operative issues after wisdom tooth extraction? Hello, I had my upper and lower right wisdom teeth extracted on August 2nd. The lower one was a horizontal wisdom tooth that required incision and suturing, and both teeth were extracted with some force. About 3-4 days later, t...
Dr. Lin Jiayong Reply:
Hello: If there has been grinding on the alveolar bone, it can indeed be more painful. If there is a slight hematoma during percussion, it may also cause discomfort in the gum area. It is recommended to continue taking antibiotics and anti-inflammatory pain relievers. Additionall...[Read More] Post-Wisdom Tooth Extraction: Common Issues and Relief Strategies
Does an Uneven Filling Affect Adjacent Teeth and Gums?
Will a dental filling with a protrusion affect the opposing teeth? Hello, I would like to ask a follow-up question regarding the issue I experienced. The day before I had my wisdom teeth extracted, I had a dental filling done at another clinic on my upper right second molar. Afte...
Dr. Lin Jiayong Reply:
Hello: It is indeed possible. I recommend that during your follow-up visit for suture removal, you ask the dentist to check the condition of the filling. If it needs to be redone, please have the dentist assist with the re-filling![Read More] Does an Uneven Filling Affect Adjacent Teeth and Gums?
Can a Permanently Bonded Dental Crown Be Removed or Repaired?
Is it true that dentures that have already been bonded cannot be removed anymore? Hello, doctor. As per the subject, I would like to ask if a dental crown that has been permanently cemented can really not be removed anymore? I just had a fixed dental crown placed, but I feel like...
Dr. Zeng Guanghui Reply:
Hello: If the teeth with crowns feel a bit loose, it may indicate periodontal inflammation or bone resorption. First, periodontal treatment should be performed; if that does not resolve the issue, then consider removing the crown. Dr. Tseng Guang-Hui, Department of Dentistry, Nan...[Read More] Can a Permanently Bonded Dental Crown Be Removed or Repaired?
Is It Necessary to Redo Incomplete Root Canal Treatment?
The root canal filling from a previous root canal treatment is incomplete? Hello, I recently had a dental filling for a cavity at a clinic, where a full-mouth X-ray was taken. The dentist noticed something unusual with my front teeth and took an additional X-ray specifically of t...
Dr. Zeng Guanghui Reply:
Hello: 1. If you are concerned about the possibility of incomplete filling of the root canal leading to a root canal infection in the future, you may consider retreatment of the root canal. 2. The root canals of the anterior teeth generally have clear visibility, and it is not al...[Read More] Is It Necessary to Redo Incomplete Root Canal Treatment?
Is Choosing Metal-Ceramic Bridges for Molars a Good Option?
Dental bridge issues Hello, I would like to ask about getting a dental bridge for my left posterior molar area. I chose a metal-ceramic bridge, and the dentist suggested that the first two units be porcelain-fused-to-metal while the third unit should not be porcelain-fused. He me...
Dr. Zeng Guanghui Reply:
Hello: If you need to get a dental bridge and the molar teeth do not have sufficient brightness or tooth structure, you may consider getting a metal crown to avoid excessive reduction of tooth structure, which could affect the dental nerves. Dr. Tseng Guang-Hui, Department of Den...[Read More] Is Choosing Metal-Ceramic Bridges for Molars a Good Option?
Concerns About 3D Dental Sculpting: Wear and Seam Issues Explained
3D Dental Sculpting Issues Hello Doctor, last week I had a 3D dental restoration done on my upper first molar. The dentist mentioned that the decay was extensive, so an overlay crown was used. However, I have two concerns that I would like to ask about: 1. Given my strong bite an...
Dr. Lin Jiayong Reply:
Hello: 1. It is recommended to wear a bite guard or protective splint at night to prevent the 3D dental restoration from directly bearing the force of grinding. 2. It is advisable to have the dentist check during your follow-up appointment to see if any reinforcement is needed![Read More] Concerns About 3D Dental Sculpting: Wear and Seam Issues Explained
Understanding Tongue Indentations: Causes and Recovery Time
Depression on the tongue Hello Doctor: Two weeks ago, I cut my tongue with dental floss, which caused bleeding and a dent that is red with small white spots around it. After two weeks, the dent seems to have not healed, but it hasn't turned into a white ulcer and is not pain...
Dr. Lin Jiayong Reply:
Hello: The recovery of the mucosa typically takes about one month to fully return to its original state. If swallowing saliva is painful, it is advisable to have your throat examined. It is recommended to consult an otolaryngologist to confirm whether there is any inflammation or...[Read More] Understanding Tongue Indentations: Causes and Recovery Time
Why Your Dentist Might Advise Against Crowns After Root Canal Treatment
The dentist does not recommend placing a crown after root canal treatment on a molar? Hello Doctor, I have a deep cavity in my lower second molar, and during the root canal treatment, I developed two abscesses in the gum behind it. The doctor mentioned that the tooth has some mob...
Dr. Zeng Guanghui Reply:
Hello: If periodontal issues persist after root canal treatment, such as difficulties in cleaning the posterior gingival sulcus leading to inflammation, it may be advisable to consult a periodontist for an evaluation of potential solutions. Once the periodontal issues are resolve...[Read More] Why Your Dentist Might Advise Against Crowns After Root Canal Treatment
Impact Injury to Front Tooth: Concerns About Displacement and Healing
The right incisor and the gums were impacted, causing slight displacement of the incisor? Last week, I was hit by a can, which caused immediate bleeding, and the edge of the can was dented. I disinfected the wound right away. Later, when I looked in the mirror, I noticed that my ...
Dr. Lin Jiayong Reply:
Hello: It is recommended to seek medical attention promptly. You can initially stabilize the displaced tooth with a wire, and X-rays can be taken to confirm if there are any fractures or other conditions. Timely treatment is essential; do not delay care out of fear of inconvenien...[Read More] Impact Injury to Front Tooth: Concerns About Displacement and Healing
Impact Injury to Front Tooth: Concerns About Displacement and Healing
The right incisor and the gums were impacted, causing slight displacement of the incisor? Last week, I was hit by a can, which caused a bleeding injury. The top edge of the can was also dented. I immediately disinfected the wound. Later, when I looked in the mirror, I noticed tha...
Dr. Lin Jiayong Reply:
Hello: It is recommended to seek medical attention promptly. You can initially stabilize the displaced tooth with a wire, and an X-ray can be taken to confirm if there are any fractures or other conditions. Timely treatment is essential; do not delay care out of fear of inconveni...[Read More] Impact Injury to Front Tooth: Concerns About Displacement and Healing
Persistent Jaw Pain: Exploring Dental Solutions for Chronic Discomfort
Dental pain/toothache? Hello Doctor: Since the end of 2018, I have had a small round swelling in my right maxilla, which has not subsided or stopped hurting until now. To address this issue, I have undergone 14 root canal treatments, apicoectomies, and subsequently had teeth 15 a...
Dr. Lin Jiayong Reply:
Hello: It is recommended to visit the oral surgery department at a medical center for a CT scan of the head and neck to confirm if there are any other systemic factors contributing to your inflammatory infection. Additionally, blood tests can be conducted to check the values rela...[Read More] Persistent Jaw Pain: Exploring Dental Solutions for Chronic Discomfort
Impact Injury to Front Tooth: Concerns About Displacement and Healing
The right incisor and the gums were impacted, causing slight displacement of the incisor? Last week, I was hit by a can, which caused immediate bleeding, and the top edge of the can was also dented. The wound was disinfected right away. Later, when I looked in the mirror, I notic...
Dr. Lin Jiayong Reply:
Hello: It is advisable to seek medical attention promptly. You can temporarily stabilize the displaced tooth with a wire, and X-rays can be taken to confirm if there are any fractures or other conditions. Immediate treatment is essential; do not delay care out of concern for inco...[Read More] Impact Injury to Front Tooth: Concerns About Displacement and Healing
Managing Post-Root Canal Inflammation: Treatment Options and Considerations
Post-endodontic treatment inflammation? Dear Doctor: In 2015, I underwent root canal treatment on my lower left premolar but did not have a crown placed for protection. The following year, I developed a small abscess, and the doctor suggested extraction, but after switching to an...
Dr. Lin Jiayong Reply:
Hello: It is recommended to try treatment one more time, unless it is truly not feasible to save the tooth before extraction. Before extraction, you can inquire about dental implant options, so you don't have to wait until after the extraction to find an implant clinic. Imme...[Read More] Managing Post-Root Canal Inflammation: Treatment Options and Considerations
Is It Wisdom Teeth Coming In? Symptoms and Relief Tips
Is it wisdom teeth coming in? Hello Doctor, I would like to ask about something. For the past two days, I've suddenly felt some pain in the bone below my right ear, and also near my jawline. Additionally, the tissue at the back of my lower teeth feels like it has a bump, as ...
Dr. Lin Jiayong Reply:
Hello: Based on what you mentioned, it is indeed quite likely that the cause is related to wisdom teeth. If the reason for the swollen and painful gums is associated with the wisdom teeth, it is advisable to have the wisdom teeth extracted to alleviate the symptoms of the gums.[Read More] Is It Wisdom Teeth Coming In? Symptoms and Relief Tips