Permanent teeth, Dentistry FAQ

Tooth loss issues? I had to have my lower right second molar extracted due to certain factors, and that area along with my wisdom tooth is now missing. The dentist mentioned that there was a possibility that the corresponding upper right molar might grow out more after the extrac...

Tooth pain after dental filling? During my dental cleaning and X-ray, some cavities were discovered, with two being close to the nerve. The dentist mentioned that after filling, there shouldn't be any pain, so root canal treatment wouldn't be necessary. Initially, the g...

Pediatric Dentistry - Should a child's loose primary teeth be extracted? Hello Dr. Chiu, I have a question regarding my child who is about 6 years and 8 months old. Recently, while brushing his teeth, he mentioned that his teeth feel loose. Is it a sign that his primary te...

Direct placement of crowns on decayed primary teeth? My daughter is currently 5 years and 7 months old. An X-ray revealed cavities in her molars, and the doctor mentioned that since the decay is from the side, there is a high chance that a root canal will be necessary. The doctor...

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...

Child's front tooth trauma? Hello Doctor: I would like to ask about my son, who is currently 3 and a half years old. He bumped his teeth at preschool, and his right front tooth (primary tooth) had a little bleeding. Later, he didn't complain of pain, but a few days late...

When to evaluate the need for nerve block? Hello Doctor: My son visited the dentist last week due to a toothache. The dentist suggested placing medication and observing for a week before deciding whether to simply fill the cavity or perform a root canal. Today, during the follow-...

I would like to confirm if it is a case of supernumerary teeth? I have five lower front teeth, and currently, they do not affect my occlusion or other functions. All five have successfully transitioned to permanent teeth, although they slightly crowd the canines, which is not vis...

How long are the teeth beneath the permanent teeth? Hello Dr. Huang, In 2013, I experienced pain in the upper right back tooth, and a CT scan confirmed the presence of a supernumerary tooth located beneath the second molar (this supernumerary tooth is not a wisdom tooth, as my ...

Should early childhood dental crossbite be corrected? Hello Doctor, my son just turned three years old, and we noticed that since he was two, his teeth are in a crossbite. When he closes his mouth, his lower teeth are positioned outside of the upper teeth. Neither my husband nor ...

At what age can toddlers' biting behavior be corrected? Doctor, my child is 3 years old and has an overbite where the lower teeth are positioned in front of the upper front teeth. What should we do? Can it be corrected now, or should we wait until they are older and have the...

The primary teeth have fallen out, and the permanent teeth have fully erupted? Hello, doctor. I would like to ask, my child's lower primary teeth have fallen out, and the permanent teeth have been partially erupted for about a month. How long does it usually take for them to...

Do children need to wear a retainer after having their permanent teeth extracted? Hello, doctor: My 7-year-old child had a permanent tooth extracted. Does he need to have a spacer placed? The therapist at the dental center said that it is not necessary to place a spacer now and t...

Children's tooth replacement with non-resorbed roots? Hello, doctor. My child has currently lost 4 teeth, and each time a new tooth has emerged before the old one was removed; none of the teeth were loose. When the teeth were extracted, the doctor mentioned that the roots we...

Insufficient space for permanent teeth growth? The primary difference between the two orthodontic treatment options lies in the timing and approach to creating space for the permanent teeth. 1. **Waiting for Full Dentition Before Orthodontics**: This method involves allowing all...

Should tooth extraction be done before orthodontic treatment or vice versa? Hello, my child is in the fourth grade this year (she is relatively small for her age), but the teeth next to her upper front teeth have not yet fallen out (they are a bit loose). I initially wanted to ex...

The primary incisor fell out due to a fall? My daughter is currently 2 years and 3 months old. Two days ago, she fell and knocked out her upper left front tooth along with the root. We went to the emergency room that day for an X-ray, and the break was very clean. The doctor ment...

The canine tooth is growing on the gums? Hello, my canine tooth is growing on the gum, positioned above the space between the second premolar and the first molar. The primary tooth that should have been replaced by the canine is still present, which is why it has erupted in the w...

After a primary tooth is fractured, the permanent tooth has not erupted? Hello Dr. Tseng, my puppy is seven years old this year. Last autumn, while riding a bicycle, he had an accident that caused one of his upper incisors (primary tooth) to break (tooth 2.1) when it became loose...

The primary teeth have not yet fallen out? Hello Doctor: I am 25 years old, and the tooth next to my front tooth is still a primary tooth. I have visited a dentist, and the doctor said that my primary tooth has become fixed, and the permanent tooth cannot push it down, so it has ...