Understanding Dental Issues: Why Cavities Can Occur After Root Canal Treatment
Dental issues? Dr. Wu: Hello, my second to last tooth on the lower left jaw underwent root canal treatment six years ago, and I only got a crown placed in early 2005. Recently, I visited a doctor due to swollen and bleeding gums, and I discovered that the root of the tooth has de...
Dr. Wu Jinjun Reply:
Hello: The possibilities you mentioned are similar to both braces and natural teeth; they require careful cleaning and maintenance. If not cleaned properly, bacteria can accumulate at the root, potentially leading to decay beneath the braces. Dr. Wu Jin-jun, Director of Dentistry...[Read More] Understanding Dental Issues: Why Cavities Can Occur After Root Canal Treatment
Understanding Oral Bumps: When to See a Dentist for Concerns
Please ask your question? After eating porridge tonight, I suddenly noticed a small bump in my mouth near my cheek that doesn't hurt. It looks like a tapioca pearl from bubble tea, but not as plump. The evening clinic hours have passed, and I'm unsure which department t...
Dr. Zeng Guanghui Reply:
The area inside the oral cavity on the buccal mucosa refers to a painless protrusion resembling a bubble (similar to a boba pearl). This may be indicative of inflammatory hyperplasia of the oral soft tissue or other odontogenic soft tissue infections. It is recommended to visit a...[Read More] Understanding Oral Bumps: When to See a Dentist for Concerns
Understanding Wisdom Teeth Issues: Extraction, Recovery, and Costs
Wisdom tooth issues? Hello Doctor, I visited the clinic the day before yesterday for an examination and found that I have a wisdom tooth growing horizontally on the left side, and it is also covered by the gums. The gums are often swollen. Do I definitely need to have it extracte...
Dr. Zhuang Suhui Reply:
Kuo Chang: If your wisdom tooth is growing horizontally and your gums are frequently swollen, it is best to have it extracted. This can help prevent infections and avoid affecting the adjacent teeth. Factors such as the root morphology, the degree of bone coverage, and the relati...[Read More] Understanding Wisdom Teeth Issues: Extraction, Recovery, and Costs
Understanding Fever and Pain After Root Canal Treatment: Causes and Solutions
Inflammation from root canal treatment can cause fever? Hello Dr. Liu, I started undergoing root canal treatment over ten days ago. On the first day, everything seemed fine, and the dentist advised me to return in a week for a medication change. When I went back a week later, I...
Dr. Liu Tiancai Reply:
Hello: If there is a bacterial infection within the root canal system (either intrinsic or extrinsic, meaning bacteria that enter through cavities or bacteria introduced during treatment via saliva or instruments), it can potentially lead to an acute periapical abscess, causing b...[Read More] Understanding Fever and Pain After Root Canal Treatment: Causes and Solutions
Is It Normal for an 11-Month-Old to Cut Six Teeth at Once?
A single time with six teeth? Hello! My sister's baby is currently 11 months old and has not had any teeth until now. However, in the past two days, I noticed that she has started to develop teeth, with little white spots emerging. She is getting six teeth at once—four on th...
Dr. Qiu Qiongyao Reply:
When children are teething, they may experience some discomfort. Since children cannot express themselves verbally, they may become a bit fussy. If there is no fever, it indicates that there is no infection at the teething site. At home, it is important to maintain oral hygiene b...[Read More] Is It Normal for an 11-Month-Old to Cut Six Teeth at Once?
Understanding Dental Cysts: Treatment Options and Nerve Risks Explained
Cyst?! Hello Dr. Liu, Recently, I took my boyfriend for a dental check-up, and the dentist discovered a cyst in the gum tissue beneath his lower fifth tooth. My boyfriend mentioned that about 1 to 2 years ago, when he visited the dentist, he was informed about the cyst issue. A...
Dr. Liu Tiancai Reply:
Hello: Cysts associated with the mandibular premolars are usually related to root canal infections. Thorough root canal debridement and disinfection can cure most apical lesions. Please consult an endodontist. The management of periapical cysts can vary based on the dentist'...[Read More] Understanding Dental Cysts: Treatment Options and Nerve Risks Explained
Managing Gum Abscess After Root Canal Treatment: Options and Risks
A periodontal abscess has developed on a molar tooth that has undergone root canal treatment? Hello Doctor: About ten years ago, I had a root canal treatment on my upper right molar and also had a crown placed. However, since mid-year this year, I have developed a gum abscess tha...
Dr. Liu Tiancai Reply:
Hello: The presence of a pus-filled abscess on a tooth after root canal treatment indicates a root canal infection or a fracture in the tooth root. If there are spiral pins inside your tooth, they must be removed before proceeding with further root canal treatment. It is advisabl...[Read More] Managing Gum Abscess After Root Canal Treatment: Options and Risks
Common Dental Concerns: Root Canals, Dentures, and Oral Care Tips
Dental issues Hello Dr. Lin, I have some questions regarding dental care. 1. Is root canal treatment covered by health insurance? If it is just a simple procedure to create a dental crown, what is the typical duration of the treatment? What is the normal lifespan of a dental cr...
Dr. Lin Qingye Reply:
Hello Miss Vicky, 1. Root canal treatment is included in the National Health Insurance coverage, and the fabrication of dentures varies based on the complexity. In the best-case scenario, they can last at least 10 years, although the user's habits should also be taken into...[Read More] Common Dental Concerns: Root Canals, Dentures, and Oral Care Tips
Small Bump in Mouth: What Could It Be and Should You Worry?
A small lump has developed in the oral cavity? Hello Doctor: I am 23 years old. Three days ago, I noticed a small bump on the left side at the back of my mouth. It is not easily visible to the naked eye, but I can definitely feel it with my tongue. It is pink in color and looks s...
Dr. Zeng Guanghui Reply:
A small lesion has developed in the left posterior area of the mouth, which is noticeable to the tongue and appears pink in color. This is likely a soft tissue lesion of the oral mucosa caused by infection or chronic mechanical irritation (such as from sharp edges of teeth). It m...[Read More] Small Bump in Mouth: What Could It Be and Should You Worry?
Understanding Dental Issues: Evaluating Dentists and Implant Readiness
Dental issues? 1. If someone has their tooth filled and the dentist has ground down to the dentin, does that mean the dentist is incompetent or a bad dentist? 2. If the overall health is good but the only issue is insufficient bone density, can dental implants be placed at your...
Dr. Lin Qingye Reply:
Hello Mr. Passerby: 1. When cavities reach the dentin, there may be a sensation of sensitivity or pain. It is essential to completely remove the decay to prevent infection of the pulp chamber. 2. a. In cases of insufficient bone volume, surgical options such as the use of bon...[Read More] Understanding Dental Issues: Evaluating Dentists and Implant Readiness
Understanding Daytime Teeth Grinding in Children: Causes and Solutions
Bruxism during the day? There is a five-year-old girl in the family who had a seizure on September 17, which led to a viral infection affecting the brainstem, resulting in meningitis. She is currently still unconscious, unable to speak, see, or hear. During the day, when she is n...
Dr. Qiu Qiongyao Reply:
It is recommended to first consult a neurologist to determine if the symptoms are caused by abnormal secretion of brain neurochemicals, and then proceed to a dental consultation for treatment.[Read More] Understanding Daytime Teeth Grinding in Children: Causes and Solutions
Understanding Gum Swelling and Ulceration: Causes and Remedies
Gingival redness, swelling, and ulceration? Hello Doctor: On Tuesday morning, I noticed that the inside of my upper right gums was swollen, affecting an area around three teeth, centered on the second-to-last molar. After two days, the swelling subsided, but then I noticed a brea...
Dr. Wu Jinjun Reply:
Hello: Possible diagnoses include: 1. Spontaneous periodontal abscess with candidal infection. 2. Recurrent oral ulcers. It is recommended that you consult a physician for a thorough examination to determine the exact issue. Dr. Wu Jin-jun, Chief of Dentistry, Hsinchu Hospital, D...[Read More] Understanding Gum Swelling and Ulceration: Causes and Remedies
Understanding Gum Swelling and Treatment Options for Dental Infections
Gum swelling and pain? I have swelling and pain in my lower right gum (the area is visibly swollen on my face), which has developed into cellulitis. When I visited the dentist for treatment, they only cleaned one tooth (did not drain the pus) and prescribed antibiotics. I would l...
Dr. Zhuang Suhui Reply:
This situation is likely not a tumor. Cellulitis may reduce with cleansing and antibiotic treatment, but it is still important to identify the underlying cause (such as periodontal disease, pericoronitis of wisdom teeth, pulpitis, or retained root fragments). Thoroughly eliminati...[Read More] Understanding Gum Swelling and Treatment Options for Dental Infections
Understanding Hard Bumps on the Lower Lip: Causes and Concerns
Lips Recently, I noticed some small, hard bumps on my lower lip. They are painless and not itchy. They are not easily visible to the naked eye, but I can feel them when I touch them with my tongue. I haven't bitten my lip recently and have no harmful habits. Could you please...
Dr. Zeng Guanghui Reply:
There is a small, hard nodule on the lower lip that is not painful or itchy. It is not very noticeable to the naked eye, but can be felt with the tongue. It is advisable to first check for any swelling or small blisters on the lower lip and consider the possibility of angular che...[Read More] Understanding Hard Bumps on the Lower Lip: Causes and Concerns
Understanding Salivary Gland Disorders: Causes of Excessive and Insufficient Saliva
I haven't received a response yet? What are the diseases related to the salivary glands? What conditions can lead to decreased saliva production? What conditions can cause increased saliva production?
Dr. Liu Tiancai Reply:
Hello: There are many diseases of the salivary glands, enough to write a book! Your question is a bit difficult to answer, but generally, one common condition that leads to decreased salivary secretion is Sjögren's syndrome, also known as dry eye syndrome. This autoimmune di...[Read More] Understanding Salivary Gland Disorders: Causes of Excessive and Insufficient Saliva
Understanding Dental Issues in Children: Fluoride Use and Treatment Options
A person who is unaware or uninformed? Hello, my son is 5 years old and has lost 4 of his front teeth, two of which are broken in half. I took him to see a doctor, who said that the decayed parts should be filled before placing crowns, but two of the front teeth need to be extrac...
Dr. Liu Tiancai Reply:
Hello: Children's primary teeth have permanent teeth developing underneath, so it is important to keep them clean to prevent internal infections that could affect the permanent teeth. (There is usually no need for crowns.) If there is nerve necrosis, root canal treatment or ...[Read More] Understanding Dental Issues in Children: Fluoride Use and Treatment Options
Understanding Dental Cysts: Treatment Options and Recovery Insights
Gingival cyst issue 2 Hello, I previously asked you about the tooth below my front tooth that underwent root canal treatment due to nerve necrosis. I had it treated at a small clinic! I consulted Dr. Chiu from the Endodontics Department at National Cheng Kung University. He menti...
Dr. Liu Tiancai Reply:
Hello: The shadow beneath the tooth is caused by bacteria within the root canal. If the root canal treatment is performed thoroughly and the filling is dense, the previously resorbed bone will regenerate. X-rays will show the shadow gradually diminishing, but this may take about ...[Read More] Understanding Dental Cysts: Treatment Options and Recovery Insights
Understanding Pediatric Dental Care: Cavities, Treatments, and Fluoride Safety
Dentistry Hello Dr. Liu: My son is 5 years old and has 4 cavities in his front teeth, with 2 of them broken halfway. I took him to see a doctor, who said that the decayed parts should be filled first before placing crowns, and that the other 2 front teeth need to be extracted and...
Dr. Liu Tiancai Reply:
Hello: Children's primary teeth have permanent teeth developing underneath, so it is important to keep them clean to prevent internal infections that could affect the permanent teeth. (There is usually no need for crowns.) If there is nerve necrosis, root canal treatment or ...[Read More] Understanding Pediatric Dental Care: Cavities, Treatments, and Fluoride Safety
Understanding Tooth Fractures: Pain Management and Treatment Options
Tooth fracture Hello Doctor, I have a small chip in my tooth (but it doesn't hurt). I use dental floss after every meal to prevent cavities from worsening and for easier cleaning. Recently, I decided to visit a nearby clinic for a filling. However, when the dentist used den...
Dr. Liu Tiancai Reply:
Hello: The dental pulp (commonly known as the dental nerve) is located at the center of the tooth, approximately 2-3 millimeters from the surface. If tooth decay reaches the nerve, it can cause pain when drinking cold water, spontaneous pain, pain during biting, and even lead to ...[Read More] Understanding Tooth Fractures: Pain Management and Treatment Options
Understanding Cysts in the Maxilla: Causes, Treatment, and When to Seek Help
Cyst in the maxilla? Hello Doctor: I have a cyst on my upper jaw that is approximately 1 centimeter in diameter. It has been present for 7 days and has been increasing in size over time. It is painful, and its color is similar to that of my upper jaw, but it appears more red. Yes...
Dr. Zeng Guanghui Reply:
Oral soft tissue cysts can generally be classified into odontogenic and non-odontogenic types. Non-odontogenic cysts are typically the result of developmental processes or abnormal growth of non-odontogenic epithelial tissue. In contrast, odontogenic cysts arise from long-term in...[Read More] Understanding Cysts in the Maxilla: Causes, Treatment, and When to Seek Help