Permanent teeth, Dentistry FAQ - Page 2

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Why Are My Permanent Teeth Loose? Causes and Concerns

Teeth may become loose? I have recently noticed that my permanent teeth feel loose; they gently move when I touch them with my other teeth. What could be the reason for this, and is there a possibility that they might fall out?


Dr. Zeng Guanghui Reply:
If a permanent tooth is loose, it may be due to the primary molars not having fallen out yet. It is advisable to consult a dentist for further examination.

[Read More] Why Are My Permanent Teeth Loose? Causes and Concerns


Jaw Injury from Car Accident: Dental Concerns and Recovery Insights

Jaw injury from a car accident? Hello Doctor: I was in a car accident recently and my chin was impacted. The roots of my lower four permanent teeth are fine, but initially, they were a bit loose and very painful. Now, they feel somewhat numb, and when I drink water, I experience ...


Dr. Zeng Guanghui Reply:
The above situation may be due to the compression of the periodontal ligament nerves surrounding the tooth during impact, which could even affect the dental pulp nerves inside the tooth. If the symptoms persist, it is advisable to consult a dentist for further evaluation and to d...

[Read More] Jaw Injury from Car Accident: Dental Concerns and Recovery Insights


Can I Still Get a Dental Filling After Losing My Baby Tooth?

Missing primary incisors Dear Doctor: Since my front baby tooth was extracted over six months ago and has not yet been restored, there is currently about 0.2mm of space remaining. Is there still a chance to restore the tooth?


Dr. Zeng Guanghui Reply:
Primary teeth should naturally exfoliate during the mixed dentition phase. If they remain in the mouth until the age of 21, it may be due to the absence of successor permanent teeth. After the extraction of a primary incisor, if the remaining space is only 0.2 mm, it may not be p...

[Read More] Can I Still Get a Dental Filling After Losing My Baby Tooth?


Understanding Baby Tooth Nerve Death: When to Extract for Healthy Adult Teeth

Pulp necrosis of primary teeth The primary tooth has experienced nerve necrosis and is gradually turning black. The dentist advised that the tooth needs to be extracted, otherwise it may affect the development of the permanent teeth. I have been hesitant about whether to proceed ...


Dr. Zeng Guanghui Reply:
It is recommended to consult a dentist for further examination.

[Read More] Understanding Baby Tooth Nerve Death: When to Extract for Healthy Adult Teeth


Understanding Retained Baby Teeth: Causes and Treatment Options

Retained primary teeth? Doctor, I would like to ask: I have not lost my primary incisors, and there are no permanent teeth below them. They have been painful and have required ongoing treatment for a long time. In March of this year, I had the teeth extracted, leaving a gap. What...


Dr. Zhang Xiangyuan Reply:
Dear netizen, based on your description, there is no permanent tooth present below the extracted primary incisor. For the vacant space, it is recommended that you consult a dentist for an evaluation. Depending on the actual conditions (size of the gap, alignment of the teeth, occ...

[Read More] Understanding Retained Baby Teeth: Causes and Treatment Options


Do 3-Year-Olds Need Crowns for Decayed Front Teeth Under Sedation?

A 3-year-old received a dental crown for their front teeth under sedation anesthesia? Is it necessary to place a crown on a 3-year-old's front tooth that has decayed down to the gum line and has a hollow cavity? Is the risk of sedation anesthesia high? Can the crown be place...


Dr. Qiu Qiongyao Reply:
Hello, Xiu: Regarding your question, it is quite difficult to assess the growth of the teeth without directly observing them, and the anesthesia aspect still needs to be determined based on the child's condition. It is recommended that a physician conduct a personal examinat...

[Read More] Do 3-Year-Olds Need Crowns for Decayed Front Teeth Under Sedation?


Addressing Misaligned Teeth in Children: What Parents Should Know

The child's teeth are misaligned! Hello! My five-year-old child recently lost a front tooth. We took him to a local clinic for an X-ray, and the doctor mentioned that the permanent tooth is growing in crooked and needs to be extracted. However, that clinic does not have the ...


Dr. Zeng Guanghui Reply:
If a child's permanent teeth are growing in crooked, it is important to consider the possibility of supernumerary teeth. If supernumerary teeth are present and impacted within the gums, it is recommended to surgically remove them under anesthesia, as a 5-year-old may not be ...

[Read More] Addressing Misaligned Teeth in Children: What Parents Should Know


When and Why Should You Consider Dental Sealants for Your Child?

Regarding gap filling in joints? Hello, I would like to ask under what conditions is it necessary to perform pit and fissure sealing? Or at what age should pit and fissure sealing be done? Thank you!


Dr. Qiu Qiongyao Reply:
Hello: Pit and fissure sealants are a treatment used to fill the grooves of newly erupted permanent teeth to prevent cavities. Typically, children need sealants on their first molars around the age of 6, so once a child has their first molar, it is important to apply sealants. Th...

[Read More] When and Why Should You Consider Dental Sealants for Your Child?


Why Is My 4-Year-Old's Tooth Turning Gray? Causes and Solutions

A four-year-old has one tooth that has turned gray? Dear Dentist, My son is four years old, and recently I noticed that one of his front teeth has turned gray, but there are no cavities. In addition to him brushing his teeth by himself, we also help him with brushing. What coul...


Dr. Cao Guoqing Reply:
Hello, A-Ya: Regarding the issue of dental discoloration in children, based on clinical experience, there are several possible causes: First, the child may have taken specific antibiotics (such as tetracycline) during early childhood, which does not affect function but may result...

[Read More] Why Is My 4-Year-Old's Tooth Turning Gray? Causes and Solutions


Impact of Maternal Nutrition on Tooth Development During Pregnancy

Size of teeth Hello, doctor! I would like to ask if there is a direct relationship between nutrition during pregnancy and the development of primary and permanent teeth in the embryo. Thank you for your response!


Dr. Zeng Guanghui Reply:
Hello: During pregnancy, around the 4th to 5th week of embryonic development, the dental buds for primary teeth begin to form. The dental buds for permanent teeth start to develop in the infant's jawbone at around the 4th to 6th month of gestation. Therefore, nutritional int...

[Read More] Impact of Maternal Nutrition on Tooth Development During Pregnancy


When Will My Child's Permanent Teeth Erupt? A Parent's Concern

Permanent teeth do not erupt? Hello Dr. Chiu, My child is currently 6 years old. In March, we had to extract a loose front tooth due to severe decay. The dentist mentioned that the tooth was loose because a new tooth was about to erupt. However, it has been over 5 months now, a...


Dr. Qiu Qiongyao Reply:
Hello, Chiouya: The timing for the eruption of children's incisors can vary. Generally, it is normal for them to emerge between the ages of 6 and 8, but some children may experience a slower eruption. You may consider taking your child for an X-ray to check the status of the...

[Read More] When Will My Child's Permanent Teeth Erupt? A Parent's Concern


Root Canal Treatment for a 4-Year-Old: What Parents Should Know

A 4-year-old child experiencing nerve spasms? Hello, I would like to ask about a child's root canal issue. My child is currently 4 and a half years old and has been experiencing tooth pain. We took him to a pediatric dental clinic and visited two different places. X-rays wer...


Dr. Zeng Guanghui Reply:
Hello, sir: Thank you for your inquiry. Here is my response and advice: If there is a cavity in the tooth accompanied by pain, it indicates that the dental pulp has become inflamed. If the pain is persistent or spontaneous, or if there is already pus formation in the periodontal ...

[Read More] Root Canal Treatment for a 4-Year-Old: What Parents Should Know


Concerns About Retained Baby Teeth and Orthodontic Options at 17

The primary teeth have not yet fallen out? 1. Doctor, I am 17 years old and during my last dental cleaning, the dentist told me that I still have a baby tooth that hasn't fallen out. I noticed that this tooth is a bit loose now. If it falls out, will it grow back? 2. Doctor...


Dr. Zeng Guanghui Reply:
Hello, Miss: Thank you for your question. I would like to respond to your inquiry and provide the following advice: At 17 years old, if a primary tooth has not yet fallen out, it may be due to incomplete resorption of the tooth root during the transition to permanent teeth. If th...

[Read More] Concerns About Retained Baby Teeth and Orthodontic Options at 17


Addressing Crowded Teeth: Solutions for Your Child's Dental Growth

The spaces between the teeth are too small, leading to issues with the gums? 1. My child, born in 2001 (10 years old), has already developed the upper left teeth 1, 2, and 4, as well as the upper right teeth 1, 2, and 4 (for at least six months). 2. The upper left third molar an...


Dr. Zeng Guanghui Reply:
Hello, sir: Thank you for your inquiry. I would like to respond to your question and provide the following advice: The first, second, and fourth permanent teeth in the upper left and lower right have erupted, but the third molar is unable to erupt properly due to insufficient spa...

[Read More] Addressing Crowded Teeth: Solutions for Your Child's Dental Growth


How to Manage Cavities in Children Before Dental Treatment

Cavities Hello, doctor. I have a 6-year-old child with a cavity, and one of the molars has lost about 1/4 of its structure. Due to certain circumstances, we may need 1-2 months before we can go to the hospital for treatment. What methods can we use to slow down the progression of...


Dr. Qiu Qiongyao Reply:
Hello Jon: To delay tooth decay, you can use toothpaste containing fluoride, minimize the intake of sweets and sugary drinks, and rinse your mouth or clean your teeth after each meal. However, it is crucial to visit a dental clinic as soon as possible to assess whether it is the ...

[Read More] How to Manage Cavities in Children Before Dental Treatment


Addressing Misaligned Baby Teeth: Impact on Permanent Teeth and When to See a Dentist

Misalignment of primary teeth in young children? 1. The puppy is currently 2 years and 2 months old, but due to the use of a pacifier, the incisors are slightly misaligned (protruding). Will this affect the development of the permanent teeth? How should it be corrected? 2. The ...


Dr. Zeng Guanghui Reply:
Hello Sir: Thank you for your inquiry. Here are my responses and recommendations: For a two-year and two-month-old child who is still in the primary dentition stage, if the use of a pacifier is causing the primary incisors to become misaligned (protruded), it is important to quic...

[Read More] Addressing Misaligned Baby Teeth: Impact on Permanent Teeth and When to See a Dentist


Managing Impacted Baby Teeth: When to See a Pediatric Dentist

The occurrence of impacted teeth in primary dentition? Hello, doctor. My baby is almost 1 year and 7 months old, and most of the primary teeth have erupted. However, I recently noticed that there is a gap next to the lower front tooth where the second tooth has not come in. It se...


Dr. Zeng Guanghui Reply:
Hello, Miss: Thank you for your inquiry. Here is my response to your question along with some suggestions: By the age of two, all primary teeth should typically have fully erupted under normal circumstances. If the lower teeth have not yet erupted, it may be due to insufficient s...

[Read More] Managing Impacted Baby Teeth: When to See a Pediatric Dentist


Managing Dead Baby Teeth: When to Extract or Treat?

Deciduous tooth necrosis, with swollen gums and pus? Last April, my daughter fell and chipped a corner of her upper front tooth. Three months later, the tooth turned black, and the dentist said it was dead. Another three months passed, and the gums around the dead tooth became sw...


Dr. Zhuang Suhui Reply:
Hello: If it is possible to perform a root canal treatment to save the tooth, that would be the best option. I suggest you give it a try; how will you know it won't be successful if you don't attempt it? Even if it doesn't work out, it won't be too late to ext...

[Read More] Managing Dead Baby Teeth: When to Extract or Treat?


Treatment Options for a Child's Broken Baby Tooth: What to Do Next

The upper left primary incisor has fractured and needs to be extracted. Recommendations for subsequent treatment? Hello, my child is 1 year and 8 months old and has fractured the upper left front tooth due to a fall, which has already been extracted. I would like to know how to t...


Dr. Qiu Qiongyao Reply:
It is recommended to wait until the primary teeth are fully erupted, around 2 and a half years old, before placing fixed dental prostheses.

[Read More] Treatment Options for a Child's Broken Baby Tooth: What to Do Next


Potential Issues of Retained Baby Teeth: What You Need to Know

Is there any risk of complications if primary teeth are still present? Hello, Doctor: Recently during a dental visit, I was informed that I have a primary tooth among my 28 teeth, specifically the second to last tooth on the upper left side. Will this cause any problems? Thank yo...


Dr. Zhuang Suhui Reply:
If you currently have 28 teeth (excluding wisdom teeth), the second to last tooth cannot be a primary tooth, as there are only 20 primary teeth, evenly distributed across four quadrants, with 5 teeth in each quadrant. Permanent teeth total 28, with 7 teeth in each quadrant. The s...

[Read More] Potential Issues of Retained Baby Teeth: What You Need to Know


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