Occlusion, Dentistry FAQ

Understanding Ear and Jaw Discomfort: Possible TMJ Disorders

Discomfort near the temporomandibular joint and the ear? Hello Doctor: About two to three months ago, I suddenly felt a significant discomfort in my left ear. It wasn't pain, but more like a pressure and swelling sensation similar to having water in my ear. Since it was a ho...

Dr. Lin Jiayong Reply:
Hello: If you have symptoms such as left joint tenderness due to malocclusion or misalignment, it may not be directly related to the ear symptoms you mentioned. I recommend that you consult with the oral surgery department at a medical center for a detailed evaluation. Wishing yo...

Can Molars Be Treated with Crowns Only, Without Pins?

Dental pins and molars? Hello, doctor. I have had my molar ground down and switched clinics to get a crown. The dentist mentioned that because it has already been reduced in size, it would be difficult to place a dental post. They advised me to avoid using leverage when eating, a...

Dr. Lin Jiayong Reply:
Hello: Your issue may require a diagnosis in conjunction with the actual occlusion situation and X-ray images for discussion. Wishing you peace and health.

Understanding Clicking Sounds in the Left TMJ: Causes and Solutions

Occasionally, there is a clicking sound in the left temporomandibular joint? Hello, doctor. I have been wearing an occlusal splint for over 10 years, but occasionally I hear a clicking sound from the left temporomandibular joint. I would like to ask if the clicking sound in the j...

Dr. Huang Zhicheng Reply:
Dear Vivian, Thank you for your letter. The clicking sound in your joints is one of the symptoms of temporomandibular joint (TMJ) disorder, which may sometimes be accompanied by muscle or joint soreness. However, we cannot rule out other neurological issues or dental problems th...

Addressing Occlusion Issues with Full Porcelain Crowns: Key Concerns

Occlusal issues with all-ceramic crowns? I had full porcelain crowns placed on my front eight teeth, and I am currently wearing temporary dentures. I have a concern regarding my deep bite; my dentist mentioned that when the full porcelain crowns are installed, some of my lower te...

Dr. Lin Jiayong Reply:
Hello: 1. Due to the necessary thickness of dentures, it is sometimes unavoidable to remove opposing natural teeth, which is a regrettable necessity. 2. Yes, if the height is increased by more than 2mm, literature indicates that there is a potential risk of joint injury. 3. If yo...

Unexplained Tooth Pain After Orthodontics: Seeking Solutions for Discomfort

Unexplained tooth pain after orthodontic treatment and misalignment of the bite? I have been undergoing orthodontic treatment for almost three years. Since March of this year, I have been experiencing severe pain in my front teeth. I reported this to my orthodontist, who suggeste...

Dr. Huang Tingfang Reply:
It is recommended that you continue your follow-up treatment at the major hospital where you had your X-ray done.

Impacted Wisdom Teeth: Can Extraction Solve Crowding Issues?

The eruption of wisdom teeth can lead to crowding of the lower teeth? Hello Doctor, my lower left wisdom tooth has erupted about 3/4, but the upper left wisdom tooth has only erupted a little bit. Currently, the lower left wisdom tooth has caused misalignment of my lower front te...

Dr. Lin Jiayong Reply:
Hello: Based on your description, I still recommend that you have your left wisdom tooth extracted. As for the occlusion issue, it needs to be discussed based on clinical observation. Wishing you safety and good health.

Understanding Mandibular Development Issues After Orthodontic Treatment

Mandibular development issues? Hello Doctor, my height is 183 cm and my weight is 63 kg. It has been over a year since I completed my orthodontic treatment, and my bite is normal. My wisdom teeth have not erupted yet. (I experienced a noticeable growth spurt from the third year o...

Dr. Zeng Guanghui Reply:
1. Yes. 2. The normal occlusion of the upper and lower incisors is not directly related to the forward growth of the jaw; the growth of the jaw is primarily associated with the growth curve. 3. When the jaw grows, it grows as a whole. If viewed from the side, a short jaw without ...

Improving Jaw Deviation After Condylar Fracture: Rehabilitation Insights

Condylar fracture with mandibular deviation upon opening the mouth? Hello, doctor. I had a car accident over two years ago that resulted in a left condylar fracture. After undergoing intraoral surgery, I still have a deviation (subluxation). I am currently using an occlusal splin...

Dr. Huang Tingfang Reply:
Dear Anonymous Miss: Hello! As mentioned, it is acceptable for the mandible to deviate when opening the mouth due to muscle traction after a condylar fracture, as long as the occlusion is normal, it should not affect the quality of life. Rehabilitation can improve the condition, ...

Understanding Occlusal Splints and TMJ Treatment: Your Questions Answered

Occlusal splint bite points and joint clinic irrigation? Dear Dr. Huang, 1. I have been suffering from temporomandibular joint pain for nearly ten years, making it difficult for me to chew food. I have been using an occlusal splint, but my mouth can only open two fingers wide, a...

Dr. Huang Zhicheng Reply:
Dear Salina, 1. The principles and functions of occlusal splints are varied, but generally, the goal is to achieve an even occlusion, which should be discussed with your dentist. 2. After wearing an occlusal splint for one night, the muscles may adjust, resulting in variations i...

Do Adults Need Braces for Slightly Crooked Teeth?

Orthodontics Doctor, may I ask if, in general adults, teeth can continue to shift forward and become misaligned even if there are no wisdom teeth issues or other oral problems? If I feel that my teeth have become slightly more crooked than before, is it necessary to undergo ortho...

Dr. Zeng Guanghui Reply:
If there is a malocclusion or skeletal discrepancies causing dental occlusion abnormalities, or if there is periodontal disease, it may lead to the entire dental arch being pushed forward. It is advisable to consult a dentist for further examination.

Post-Tooth Extraction: Unusual Sensations and Concerns Explained

The teeth behind the extraction site feel strange after the tooth extraction? I had my first lower right premolar extracted two weeks ago, and then a week later, I had an upper premolar extracted (I am using Invisalign for orthodontics, but the aligners haven't arrived yet, ...

Dr. Lin Jiayong Reply:
Hello: If you see small black spots on your teeth while brushing, it may indicate cavities. If the bottom of your teeth appears white, it could be food debris. However, it is best to visit a healthcare facility for a proper diagnosis as soon as possible! Wishing you safety and he...

Understanding Jaw Pain After Dental Fillings: Causes and Solutions

Dental filling; pain in front of the ear when opening the mouth; temporomandibular joint pain; occlusal issues? Hello! Two weeks ago, I visited the dentist for a routine check-up. In addition to a teeth cleaning, the dentist filled a cavity on my upper right tooth where the previ...

Dr. Lin Jiayong Reply:
Hello: First, let's clarify your concerns. 1. You are experiencing discomfort in your temporomandibular joint (TMJ). 2. You had a dental filling two weeks ago, but you do not feel any issues with your bite. If the above is correct, we should first address the symptoms of you...

Understanding Metal Dental Crowns: A Guide to Aesthetics and Durability

About metal braces? Hello Dr. Lin, I have a few questions regarding my dental crown after having a root canal on my molar. The dentist who placed the crown suggested that a metal crown would be less damaging to my teeth during occlusion. However, a friend of mine also got a metal...

Dr. Lin Jiayong Reply:
Hello: 1. The outer layer is made of ceramic, and the purpose of firing the ceramic to metal is for aesthetic reasons. Compared to ceramic, noble metals are indeed more resistant to wear. 2. As mentioned above, ceramics are prone to cracking and can more easily detach over time. ...

Can I Get Braces with Severe Cavities? Expert Dental Advice

Orthodontics Hello Doctor: I have an issue with malocclusion. Generally, the upper teeth should slightly cover the lower teeth, but my teeth just touch the lower teeth without any overlap. Recently, I have been considering getting braces, but I have several cavities that are quit...

Dr. Huang Tingfang Reply:
Dear Miss lulu6352741: Regarding the issue of malocclusion you mentioned, orthodontic treatment would be a better option! Otherwise, if you opt for dentures, the teeth may be longer, but cavities still need to be addressed first! Please communicate more with your dentist! Thank y...

Can a Single Molars Support Chewing After Tooth Extraction?

Orthodontics - Is it feasible to have occlusion with only one lower left molar remaining? Hello, I recently consulted about orthodontics and received a treatment plan that includes the extraction of the following teeth: the upper left and right first premolars, the lower right se...

Dr. Huang Tingfang Reply:
Dear Ms. Chin, Hello! Regarding the extraction of that tooth, the orthodontist will make a professional assessment, and it is advisable to trust their judgment. If you are still not satisfied with their explanation, you may seek a second opinion. Since there is only one molar le...

Should You Get Crowns for Your Wisdom Tooth and Second Molar?

Wisdom tooth root canal treatment Hello, Dr. Huang. Over two years ago, I lost my first molar, and my second molar has undergone root canal treatment. Currently, my wisdom tooth is also undergoing root canal treatment. The doctor has suggested that I should get crowns for both my...

Dr. Huang Zhicheng Reply:
Hello, it is recommended to place a crown on teeth after root canal treatment to prevent the risk of fracture or breakage during eating in the future. Teeth that have undergone root canal therapy no longer receive nutrient supply, making them more prone to brittleness. Therefore,...

Understanding Temporomandibular Joint Disorder After Orthodontic Treatment

Temporomandibular Joint Disorder (TMJ Disorder) Hello, doctor. I originally had a malocclusion, so I went for orthodontic treatment. Now, after about a year of treatment, my teeth have been making increasingly loud clicking sounds, and sometimes they even get stuck. I went for a ...

Dr. Huang Zhicheng Reply:
Dear Ms. Lai, Regarding the aforementioned issue, more severe joint problems cannot be resolved solely through orthodontics; however, orthodontic treatment can alleviate the initial severity. A bite splint can help achieve a more ideal occlusion and reduce the strain on the musc...

Understanding Jaw Joint Disorders After Wisdom Tooth Extraction

Temporomandibular joint disorder (TMJ disorder) Hello Doctor: About four months ago, I had my upper left and lower left wisdom teeth extracted. Approximately one month after the extraction, I began experiencing pain in my temporomandibular joint (TMJ). Prior to the extraction, I ...

Dr. Huang Zhicheng Reply:
Hello, it is recommended that you maintain proper oral hygiene on the right side of your mouth and ensure you get enough rest. Please also make sure to wear your occlusal splint properly. Given the current situation, a more detailed diagnosis cannot be provided. Please visit a de...

Dealing with a Lost Crown After Root Canal Treatment: What to Do?

A few years after root canal treatment, the crown came off? Hello, Doctor. I would like to ask about my dental crown that I had placed after a root canal treatment a few years ago. It suddenly fell off today, leaving a large cavity. Since I am currently abroad and unable to seek ...

Dr. Lin Jiayong Reply:
Hello, please start by eating soft foods (avoid anything harder than an apple) and maintain oral hygiene. You may use an electric toothbrush and mouthwash (do not scrub the affected tooth vigorously). Please seek dental treatment as soon as you return to Taiwan. Thank you.

Understanding Temporomandibular Joint Disorders: Symptoms and Next Steps

Temporomandibular joint disorder (TMJ disorder) Hello Doctor, I recently noticed that when I open my mouth wide, I hear a clicking sound in my ears (not very loud), and during the process of opening my mouth, my jaw shifts to the right before returning to the left. I also have a ...

Dr. Lin Jiayong Reply:
Hello, your issue can be addressed in two parts: 1. The joint issue should be evaluated by an oral and maxillofacial surgeon to determine if a splint can help improve the condition. 2. The tinnitus should be assessed by an otolaryngologist. It is recommended that you visit a larg...

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