X-ray, Dentistry FAQ - Page 13

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Are Dental X-Rays Safe? Concerns About Radiation Exposure

X-ray radiation issues? When I went to the dentist, the doctor placed the X-ray machine directly against my face. I remember that in other clinics, there was usually some distance from the face. This time, it was pressed right against my face and even pulled on my lower eyelid. I...


Dr. Lin Jiayong Reply:
Hello: 1. The dose of a single periapical radiograph is very small, so there is no need to worry excessively! 2. It is recommended to return to the original clinic; if the dentist is unwilling to manage the case, please ask them to issue a referral to a medical center!

[Read More] Are Dental X-Rays Safe? Concerns About Radiation Exposure


Possible Causes and Solutions for Tooth Pain After Root Canal Treatment

Teeth after root canal treatment The lower left tooth #5, which has undergone root canal treatment over four to five years ago and does not have a crown, experiences pain upon percussion and occlusal pain. However, two dentists have reviewed the X-rays and periodontal probing and...


Dr. Lin Jiayong Reply:
Hello: There are many causes of pain, ranging from simple tissue injury to systemic diseases. If two dentists have examined your teeth and found no abnormalities, it is advisable to observe the situation for now. However, if the pain continues to affect your daily life, it is rec...

[Read More] Possible Causes and Solutions for Tooth Pain After Root Canal Treatment


Is It Safe to Swallow Saliva During Dental Procedures?

What is the safety of materials used during dental visits? Hello, doctor. I have a question regarding dental procedures. If I accidentally swallow saliva during a dental filling or crown preparation, is it serious? I'm concerned about whether any materials the dentist is usi...


Dr. Lin Jiayong Reply:
Hello: If there are no metabolic or immune-related diseases, any aerosolized dental materials inhaled during dental treatment can be normally expelled from the body without concern for retention. The only exception is if a complete metal prosthesis larger than 2.5mm is swallowed,...

[Read More] Is It Safe to Swallow Saliva During Dental Procedures?


Understanding Apex Surgery: What to Do If Abscesses Recur After Treatment

Apical surgery Hello, Doctor! Recently, I had an upper tooth (which had undergone root canal treatment and is currently fitted with a dental crown) that developed a small abscess near the root (without pain). After an X-ray taken by the clinic, the dentist confirmed that there wa...


Dr. Lin Jiayong Reply:
Hello: Since it has only been one week since the surgery, it is recommended to observe the situation for now and return for a follow-up appointment as scheduled by your physician for ongoing monitoring. Sincerely, Lin Chia-Yung, Department of Dentistry, Taichung Hospital, Ministr...

[Read More] Understanding Apex Surgery: What to Do If Abscesses Recur After Treatment


Understanding Tooth Sensitivity: Causes and Solutions for Pain

Tooth sensitivity or toothache? My upper right first molar becomes sensitive when I bite down on something slightly hard. I saw a doctor last year who said there was no decay reaching the nerve, and he refilled the cavity, advising me to monitor it at home. During this time, the ...


Dr. Zeng Guanghui Reply:
It is possible that the original filling was placed too close to the dental nerve, or there may be a crack in the tooth itself. It is recommended to return for a follow-up appointment for further evaluation and examination by a dentist. Dr. Tseng Guang-Hui, Department of Dentistr...

[Read More] Understanding Tooth Sensitivity: Causes and Solutions for Pain


Assessing Cracks in Molars After Crown and Post Removal: Next Steps

After the removal of the crown and post from the molar? Hello, Doctor. I am seeking treatment because my upper right molar has pus and is loose. It has already undergone root canal treatment. A specialist in endodontics recommended using microscopic root canal therapy, so the cas...


Dr. Zeng Guanghui Reply:
To examine the dark shadows around the teeth, which indicate bone resorption of the jaw, it is necessary to determine whether it is caused by an infection of the tooth's nerve canal, periodontal inflammation (i.e., periodontal disease), or cracks on the tooth surface. This a...

[Read More] Assessing Cracks in Molars After Crown and Post Removal: Next Steps


Should I Continue Taking Fleming and Flagyl for Wisdom Tooth Infection?

Please provide the specific content regarding the antibiotic courses for Fleming and Flagyl so I can assist you with the translation? Hello, doctor. I have swelling in the gums around my wisdom tooth, which has affected my ability to chew, so I consulted a dentist abroad. Due to ...


Dr. Lin Jiayong Reply:
Hello: It is recommended to complete the prescribed course of medication. If there is a concurrent surgical treatment, be mindful of the risk of postoperative infections! It is important to avoid the development of antibiotic resistance. Sincerely, Lin Chia-Yung, Department of De...

[Read More] Should I Continue Taking Fleming and Flagyl for Wisdom Tooth Infection?


Understanding Tooth Pain: Is It Related to Wisdom Teeth and Gum Issues?

Pain in the entire row of teeth? Hello Doctor, I have been experiencing persistent pain in the entire row of teeth on the lower right side. I visited a dentist a month ago, and the X-ray showed no issues. The dentist suggested it might be gingivitis, performed a dental cleaning, ...


Dr. Lin Jiayong Reply:
Hello, it is recommended to refer to the oral surgery or neurology department of a medical center to confirm whether there is an issue related to the trigeminal nerve and to address the problem of poor healing of the extraction site. Sincerely, Lin Chia-Yung, Department of Dentis...

[Read More] Understanding Tooth Pain: Is It Related to Wisdom Teeth and Gum Issues?


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 Tooth Pain: Is It Gum Inflammation or Neck Issues?

Toothache in the upper molars on both sides? Hello Doctor, since last week, I have been experiencing pain in my left and right teeth whenever I run or do push-ups. I visited a dentist who diagnosed me with gum inflammation and prescribed medication for three days, but there has b...


Dr. Zeng Guanghui Reply:
It is recommended to return for a follow-up appointment with a dentist for a detailed examination. In addition to gingivitis, it is important to determine whether the pain could also be caused by inflammation of the dental nerves. If necessary, an X-ray examination can be perform...

[Read More] Understanding Tooth Pain: Is It Gum Inflammation or Neck Issues?


Urgent Dental Surgery Needed for Severe Odontogenic Cyst: What to Do?

Dental cyst Hello Dr. Lin, I am currently in China for an evaluation regarding a dental implant issue. The doctor took a CT scan and advised me to return to my home country for surgery immediately, stating that I have a dental cyst that has become quite severe. He mentioned that ...


Dr. Lin Jiayong Reply:
Hello: It is recommended to visit a medical center's oral surgery department for a cone-beam CT scan of the mandible to confirm the actual three-dimensional size and depth of the cyst. Additionally, a tissue sampling through aspiration can be performed to determine whether i...

[Read More] Urgent Dental Surgery Needed for Severe Odontogenic Cyst: What to Do?


Understanding Gum Swelling After Dental Filling: Causes and Solutions

Gum swelling Hello, Doctor. In late February, I had a filling done on my lower left molar. At the time of the procedure, I felt fine, but when I got home and used dental floss, I noticed it was a bit tight (not severe). When I pulled the floss out, I experienced a slight pain in ...


Dr. Lin Jiayong Reply:
Hello: It is recommended to directly visit the second clinic or a medical center for a consultation. If other doctors take X-rays and conduct examinations and also indicate that there are no issues, it is advisable to relax. The dental filling materials and gum inflammation you m...

[Read More] Understanding Gum Swelling After Dental Filling: Causes and Solutions


Understanding Gum Swelling After Dental Work: Causes and Solutions

Gum swelling Hello, Doctor. In late February, I had a filling done on my lower left molar. At the time of the procedure, I felt fine, but when I got home and used dental floss, I noticed it was a bit tight (not severe). When I pulled the floss out, I experienced a slight pain in ...


Dr. Lin Jiayong Reply:
Hello: It is recommended to go directly to the second clinic or medical center for a consultation. If other doctors take X-rays and conduct examinations and also indicate that there are no issues, it is advisable to relax. The dental filling materials and gum inflammation you men...

[Read More] Understanding Gum Swelling After Dental Work: Causes and Solutions


Understanding Intentional Replantation: Post-Procedure Discomfort and Care

Intentional replantation surgery Hello, recently I underwent intentional replantation of my lower right first molar, but I still feel uncomfortable two weeks post-surgery. I read that after tooth extraction, it is necessary to remove the pathological tissue around the root apex d...


Dr. Lin Jiayong Reply:
Hello: Since it has only been two weeks, it is difficult to provide a definitive conclusion. I recommend continued observation. If the surgery is successful, significant differences should be evident in the X-rays after about six months. For now, please let the surgeon consider t...

[Read More] Understanding Intentional Replantation: Post-Procedure Discomfort and Care


Understanding Gum Abscesses: Causes, Treatments, and When to Seek Help

Gingival abscess Hello Doctor, following up on my previous issue, this Thursday I will have undergone three root canal treatments on my molar, but I am still experiencing pain. The doctor mentioned that I might need to undergo microscopic root canal therapy, which is quite expens...


Dr. Zeng Guanghui Reply:
Gingival inflammation is caused by an infection of the periodontal tissues surrounding the teeth or may be due to inflammation of the minor salivary glands. It is recommended to consult a dentist or an oral surgeon for further diagnosis and treatment, including X-rays. Dr. Tseng ...

[Read More] Understanding Gum Abscesses: Causes, Treatments, and When to Seek Help


Understanding White Hard Debris After Tooth Extraction: What It Could Be

After tooth extraction, a white hard substance fell out of the socket while brushing? Hello Doctor, I had my lower left wisdom tooth extracted last month, but because the socket is quite large, food gets easily trapped there after the stitches were removed. A few days ago, I noti...


Dr. Zeng Guanghui Reply:
It could be bone fragments, dental calculus, or fragments of the tooth itself. It is recommended to return for a follow-up appointment with a dentist to have X-rays taken to confirm whether there are any other foreign objects in the extraction site. Dr. Tseng Guang-Hui, Departmen...

[Read More] Understanding White Hard Debris After Tooth Extraction: What It Could Be


Managing Gum Abscess After Dentures: What You Need to Know

Gum abscess after getting dentures? Hello, doctor. In the past, after I had a dental filling, the material fell out, and the doctor refilled it, but then I developed an abscess. One doctor helped me by grinding down some of the filling, and the abscess went away, but not long aft...


Dr. Lin Jiayong Reply:
Hello: It is recommended that you visit a medical center to obtain a complete X-ray. Additionally, consult with an endodontist who can explain the pros and cons of root canal treatment based on your specific condition. After that, you can decide whether to proceed with the root c...

[Read More] Managing Gum Abscess After Dentures: What You Need to Know


Understanding Dental Discomfort: Tongue Pressure on Upper Jaw Gaps

The space between the tongue and the upper dental arch? Hello, I have a slight unusual sensation in the gap between my upper right wisdom tooth and the adjacent molar (it's not painful or acidic, just a bit of pressure), which makes me want to push it with my tongue. An X-ra...


Dr. Lin Jiayong Reply:
Hello: It is recommended to have regular follow-up visits to manage the periodontal disease effectively and prevent further deterioration.

[Read More] Understanding Dental Discomfort: Tongue Pressure on Upper Jaw Gaps


Persistent Tooth Pain: Possible Causes and Solutions for Your Molar

Persistent toothache? Hello Dr. Tseng, my first molar has been uncomfortable for the past month and a half. I feel like I might have accidentally bitten down hard while sleeping. Last month, I had an X-ray taken, but it didn't show any issues. The symptoms have progressed fr...


Dr. Zeng Guanghui Reply:
It is possible for teeth to develop cracks due to excessive occlusal forces, leading to inflammation of the dental pulp. It is recommended to return for a follow-up appointment for a detailed examination by a dentist. Dr. Tseng Guang-Hui, Department of Dentistry, Nantou Hospital.

[Read More] Persistent Tooth Pain: Possible Causes and Solutions for Your Molar


How Long Does Discomfort Last After Root Canal Treatment?

Root canal treatment After a root canal treatment, it is normal for discomfort to last for a few days to a couple of weeks. However, if you are experiencing pain or discomfort in the gum area three weeks after the procedure, it may indicate that the root canal was not completely ...


Dr. Lin Jiayong Reply:
Hello: If the area has already been sealed, it is recommended to observe for six months and use X-rays for follow-up to confirm whether the apical inflammation has healed. There is no need to worry excessively.

[Read More] How Long Does Discomfort Last After Root Canal Treatment?


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