Tooth root, Dentistry FAQ - Page 3

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Understanding Tooth Cracks and Issues with Dental Crowns

Cracked teeth and cavities in dentures? (1) I bit down on something hard with my left molar, and now I feel pain when eating. I'm worried about a cracked tooth, so I went to the hospital for an X-ray. The dentist said, "The tooth root is intact, and there’s nothing wron...


Dr. Lin Jiayong Reply:
Hello: If there is an X-ray taken of the left side and there are any structural defects or cavities in the teeth, the general practitioner has the obligation to inform the patient. After obtaining informed consent, subsequent restorative treatment can be performed. If the physici...

[Read More] Understanding Tooth Cracks and Issues with Dental Crowns


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:
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


Understanding Post-Root Canal Pain and Temporary Crown Issues

After completing a root canal treatment and having a dental crown placed? Hello, doctor. I had a root canal treatment at the first clinic, but I continued to experience soreness and pain afterward. Later, I went to a second clinic where the doctor said the previous root canal was...


Dr. Lin Jiayong Reply:
Hello: Continuous treatment for keeping the mouth open may lead to facial nerve issues, which might require further examination by a neurologist for confirmation. If dentures are exerting pressure on the gums, the initial signs include recurrent redness, swelling, inflammation, a...

[Read More] Understanding Post-Root Canal Pain and Temporary Crown Issues


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:
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


Understanding Pain and Swelling After Root Canal Treatment

Post-operative swelling and pain after root canal treatment? During my first root canal treatment, after returning home, the filling fell out and the tooth started to hurt. The doctor mentioned that food debris had gotten in, so I had to go back to the hospital for a rinse. The n...


Dr. Lin Jiayong Reply:
Hello: It is recommended to discuss with the physician who conducted the actual examination. If the root canal has been thoroughly cleaned and there is still swelling and pain, it may be advisable to perform a CT scan of the head and neck to check for other sources of infection. ...

[Read More] Understanding Pain and Swelling After Root Canal Treatment


Understanding Dental Crown Complications: Root Damage and Treatment Options

The root structure of the first molar on the right side of the mandible is damaged with a cavity? Hello Dr. Lin, I would like to ask you: 1. After a ceramic crown is placed, should the dentist use temporary cement for adhesion during the trial fitting, and then arrange for perman...


Dr. Lin Jiayong Reply:
Hello, if you previously used temporary adhesive, it is recommended to remove the dentures first, allowing your teeth to rest and recover without function. This will facilitate subsequent treatments (such as periodontal surgery or apical retrofilling, etc.). It is advised not to ...

[Read More] Understanding Dental Crown Complications: Root Damage and Treatment Options


Can a CT Scan Confirm a Suspected Tooth Root Fracture?

Examination of dental fractures? The doctor mentioned that the X-ray suggests a possible root fracture, but it's uncertain. I would like to ask if a CT scan can be performed for confirmation. What is the typical out-of-pocket cost for this? I'm not sure if the doctor re...


Dr. Lin Jiayong Reply:
Hello: It is recommended to first undergo a cone-beam CT scan at your own expense, which typically only includes the maxilla, with prices ranging from $2500 to $3500. After that, you can decide whether to redo the root canal treatment! Sincerely, Lin Chia-Yung, Department of Dent...

[Read More] Can a CT Scan Confirm a Suspected Tooth Root Fracture?


Understanding Root Canal Treatment Issues: Common Concerns and Solutions

Issues related to root canal treatment? Hello, doctor. I had a dental bridge placed on my upper right central incisor, lateral incisor, and premolar two years ago after having the lateral incisor extracted. The central incisor and premolar were reduced in size to accommodate the ...


Dr. Zeng Guanghui Reply:
If pain persists after several sessions of root canal treatment, it is possible that the apex of the tooth root is still in an inflamed state. However, if the root canal has been thoroughly cleaned and pain continues, there may be tiny cracks in the tooth root that are causing re...

[Read More] Understanding Root Canal Treatment Issues: Common Concerns and Solutions


Understanding Wisdom Tooth Extraction Complications and Regulations

Wisdom tooth extraction issues? I would like to ask, I had a wisdom tooth extraction at a clinic in January, but recently I discovered that the sutures were not properly managed, so I went to a second clinic to have the sutures removed. An X-ray was taken, and it was found that t...


Dr. Zeng Guanghui Reply:
If there is indeed a residual tooth root, the size of the remaining root should be assessed. Small fragments of the tooth root may resorb on their own over time, but if there is a larger residual root, it is recommended to return for a follow-up appointment to have it thoroughly ...

[Read More] Understanding Wisdom Tooth Extraction Complications and Regulations


Pain in First Molar After Second Premolar Extraction: What to Expect?

Pain in the first molar after extraction of the second premolar? I had my second molar extracted five days ago. This tooth had previously undergone root canal treatment, but due to the presence of a dark shadow, it needed to be removed. The surgery lasted for an hour, and the too...


Dr. Lin Jiayong Reply:
Hello, after tooth extraction, it is common for the neighboring tooth roots to become exposed due to the reduction in alveolar bone height, leading to sensitivity and discomfort. It usually takes about 7 to 14 days for the keratinized gingiva to initially cover the extraction sit...

[Read More] Pain in First Molar After Second Premolar Extraction: What to Expect?


Hidden Dental Issues: X-Ray Reveals Cavities Without Symptoms

Teeth appear normal on the surface with no cavities, but X-rays reveal underlying issues? Hello Doctor, I have no discomfort in my teeth, but during a routine check-up and X-ray, it was discovered that my lower right first molar has a cavity-like space (not at the root) that rese...


Dr. Lin Jiayong Reply:
Hello: 1. It is recommended to proceed cautiously (since there are currently no discomforts, after invasive or irreversible treatments, the subjective comparison before and after may be lacking, leading to overtreatment). 2. After excavation, consideration should be given to rest...

[Read More] Hidden Dental Issues: X-Ray Reveals Cavities Without Symptoms


Exposed Tooth Roots After New Dental Bridge Installation: What to Do?

The new dental bridge has just been placed, and the tooth roots are exposed? Hello Doctor: I just had a three-unit full ceramic bridge placed, and I've noticed that one of the abutment teeth has an uncovered root portion (the outer side is fully covered, but the inner side h...


Dr. Zeng Guanghui Reply:
The advantage of having healthy gums is that they are easier to keep clean. However, if you feel that your gaps between teeth are too large, it is advisable to discuss any concerns with your dentist to explore better treatment options. Dr. Tseng Guang-Hui, Department of Dentistry...

[Read More] Exposed Tooth Roots After New Dental Bridge Installation: What to Do?


Understanding Post-Extraction Pain: When to Seek Further Dental Care

Tooth extraction or pain that is not related to extraction? Hello, doctor. I had a tooth extraction about three weeks ago (lower left molar). One side of the tooth root was damaged, so the dentist decided to cut the tooth and only remove the damaged half, then sutured the wound. ...


Dr. Lin Jiayong Reply:
Hello: If you are concerned about potential injuries to other areas, it is recommended to perform a cone beam computed tomography (CBCT) scan of the head and neck. This will not only confirm the healing status of the tooth extraction site but also assess the condition of the teet...

[Read More] Understanding Post-Extraction Pain: When to Seek Further Dental Care


Understanding Apex Cysts: When to Monitor or Consider Surgery

Apical cyst Hello, doctor. Recently, I have been experiencing mild discomfort and sensitivity in my lower front teeth, so I visited a dental clinic. The dentist performed X-rays, pulp vitality tests, and a CT scan, which revealed a cyst between my lower front teeth. The electric ...


Dr. Lin Jiayong Reply:
Hello: The greatest risk of surgery is the potential loss of teeth that have developed on the cyst. If the physician assesses that observation is advisable, then surgery should not be hastily performed. Otherwise, the loss of lower front teeth would require extensive reconstructi...

[Read More] Understanding Apex Cysts: When to Monitor or Consider Surgery


Persistent Sensitivity After Root Canal Treatment: What to Do Next?

Six months after root canal treatment, there is still sensitivity when touching the tooth? Hello, Doctor. I had a traditional root canal treatment on my upper right third molar at the end of July this year. During the treatment, medication was placed and observed, then medication...


Dr. Lin Jiayong Reply:
Hello: If you are concerned about a possible crack in the tooth root, it is recommended to take a CBCT scan for confirmation. If there is no fracture, you can continue to have the endodontist monitor and treat the tooth. However, if a fracture is confirmed, extraction is indeed a...

[Read More] Persistent Sensitivity After Root Canal Treatment: What to Do Next?


Can Resin Fillings Help with Tooth Sensitivity and Gum Recession?

Can dental sensitivity (gum recession) be treated with resin fillings? Hello, doctor. Recently, I had a toothache and visited a clinic where the dentist assessed that I had tooth sensitivity in my first premolar and suggested filling the sensitive area (the receded gum part). Lat...


Dr. Lin Jiayong Reply:
Hello: The sensitivity symptoms caused by exposed tooth roots can indeed be managed by using certain polymer materials to cover them, thereby reducing the sensitivity of the roots to external stimuli. However, if the symptoms do not improve after the treatment, it is advisable to...

[Read More] Can Resin Fillings Help with Tooth Sensitivity and Gum Recession?


Understanding Gum Holes: What to Do About Decayed Tooth Roots

There is a hole in the gum? Doctor, I have a tooth that hasn't undergone root canal treatment and has decayed down to just the root. Recently, a hole appeared in the gum above the decayed root, and I can see that it's dark inside. I'm not sure if it's the deca...


Dr. Zeng Guanghui Reply:
It is recommended that if the gums are severely swollen and painful, one should first take antibiotics and anti-inflammatory pain relievers to reduce swelling before consulting a dentist for a cleaning, in order to avoid recurrent infections. Dr. Tseng Guang-Hui, Department of De...

[Read More] Understanding Gum Holes: What to Do About Decayed Tooth Roots


Temporary Solutions for Tooth Decay While Awaiting Dental Implants

Temporarily unable to get a dental filling and worried about continued decay of the tooth root? Several months ago, my upper right incisor's temporary crown fell off. After reviewing the CT scan, the dentist informed me that the tooth root was decayed to the point that even ...


Dr. Lin Jiayong Reply:
Hello: The method you mentioned in the second paragraph refers to root-end filling surgery combined with periodontal bone regeneration surgery. However, it is essential to consider the condition of the affected tooth and the surrounding destruction. After a thorough evaluation of...

[Read More] Temporary Solutions for Tooth Decay While Awaiting Dental Implants


Addressing Tooth Loss in Children: Common Concerns and Solutions

Tooth loss in children? Hello, doctor. My child is 12 years old, and he has two missing permanent teeth in the lower front row. There is one baby tooth in the lower front row that has not fallen out yet, and currently, one molar is erupting (lower right). 1. Should we wait unti...


Dr. Zeng Guanghui Reply:
1. The four permanent molars should fully erupt around the age of 6 to 7 years. If one is delayed until the age of 12, it is advisable to consult a dentist for an examination. 2. If there are no gaps between the lower teeth but the permanent teeth have not fully erupted, this i...

[Read More] Addressing Tooth Loss in Children: Common Concerns and Solutions


Why Does My Gums Hurt After Tooth Extraction Without Nerves?

Why does the gums still hurt after the tooth root has been extracted? Hello Doctor: Due to a long-standing fear of dentists, I have developed issues with my upper teeth, resulting in either missing teeth or untreated cavities, which have led to the need for tooth extractions. I a...


Dr. Lin Jiayong Reply:
Hello: The gums themselves are also innervated, so they can still experience pain. Additionally, since there is a significant treatment plan ahead, if you have any questions, you can communicate in detail with your original physician. You may also seek a second or third opinion a...

[Read More] Why Does My Gums Hurt After Tooth Extraction Without Nerves?


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