Occlusion, Dentistry FAQ - Page 2

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Is a Palate Expander Necessary for Jaw Alignment and Dental Health?

What is the necessity of a maxillary expander? Hello, Doctor. 1. I am a 20-year-old male who has had a full mouth X-ray and a temporomandibular joint (TMJ) X-ray. The TMJ specialist indicated that the articular discs on both sides are anteriorly displaced, with the right side b...


Dr. Lin Jiayong Reply:
Hello: Issues related to orthodontics or aesthetic medicine are highly individualized and non-essential medical procedures, making it difficult to provide generalized answers online. Additionally, they often involve significant out-of-pocket expenses. It is advisable to choose a ...

[Read More] Is a Palate Expander Necessary for Jaw Alignment and Dental Health?


Understanding Tooth Surface Roughness and Its Impact on Dental Health

Roughness of the tooth surface? Hello, Doctor. However, I feel that the rough area is on the surface of my front teeth, not the inner side. This shouldn't be an occlusion issue, right? I also want to ask if micro-hydroxyapatite can help with enamel regeneration? Additionally...


Dr. Lin Jiayong Reply:
Hello: 1. It is recommended to have an in-person consultation to identify the true cause of the illness. 2. Additionally, discussions related to research or assignments are not within the scope of services provided by this website.

[Read More] Understanding Tooth Surface Roughness and Its Impact on Dental Health


Understanding Roughness on Front Teeth: Causes and Solutions

Rough surface of the teeth? Is the rough feeling on my front tooth due to enamel wear? Could it be caused by using an electric toothbrush, or is it due to excessive consumption of acidic foods and drinks leading to erosion? However, why is it that only one front tooth is noticeab...


Dr. Lin Jiayong Reply:
Hello: 1. It may be caused by misalignment of the teeth (anterior-posterior crossbite) or malocclusion (where a particular incisor bears more occlusal load). 2. Textbooks and literature primarily suggest fluoride products (mouthwash/toothpaste/fluoride varnish) for the prevention...

[Read More] Understanding Roughness on Front Teeth: Causes and Solutions


Understanding the Soft Feel of Your New Porcelain Dental Crown

All-ceramic crown Hello Doctor, I recently had a connected porcelain crown placed on my upper four teeth, and it has been permanently bonded. I would like to ask why the sensation when my tongue touches the inner side feels soft, somewhat like chewing gum sticking to the roof of ...


Dr. Lin Jiayong Reply:
Hello: It is recommended to return to the clinic for a detailed discussion with the original physician, including the reasons for the connection of the four teeth, the condition of the periodontal and pulpal tissues, the structural condition of the teeth themselves, and whether t...

[Read More] Understanding the Soft Feel of Your New Porcelain Dental Crown


Understanding Bite Discomfort After Temporary Dentures: Key Insights

Sudden changes in bite alignment? Hello, Doctor. While waiting for the implant to integrate with the bone, I was wearing a temporary denture (fitted in a clear retainer, which only covers 3/4 of my teeth, leaving three molars on one side uncovered). Recently, after removing the r...


Dr. Lin Jiayong Reply:
Hello: I'm not quite clear on your question, but I recommend discussing any overly detailed concerns with your implant and orthodontic specialists. However, I can provide some information: the vertical height of the posterior teeth must differ by at least 4mm between the upp...

[Read More] Understanding Bite Discomfort After Temporary Dentures: Key Insights


Understanding Tongue and Tooth Friction: Concerns and Solutions

Friction between the tongue and teeth? Hello Doctor: About last November, I had a deep cavity in my molar, and the doctor explained that I needed a root canal treatment. However, I experienced recurrent inflammation during the process, and later underwent microscopic root canal t...


Dr. Lin Jiayong Reply:
Hello: It is recommended to consult with the oral surgery or oral diagnosis department at a medical center. If necessary, a biopsy of the tongue mucosa may be performed. Inappropriate prosthetics or repeated long-term irritation can indeed trigger the development of oral cancer.

[Read More] Understanding Tongue and Tooth Friction: Concerns and Solutions


Impact of Orthodontic Treatment on Airway and Tongue Positioning

Orthodontic issues? In orthodontics, if we do not consider counter-clockwise or clockwise rotation, the positioning of the anterior teeth can indeed affect the airway behind the tongue. Specifically, if the anterior teeth are retracted, it may lead to a posterior positioning of t...


Dr. Lin Jiayong Reply:
Hello: It is advisable to first establish clear treatment goals. If the aim is to achieve properly aligned teeth and stable occlusion, then follow the orthodontist's recommendations. If the goal is to treat sleep apnea and mandibular advancement, then proceed according to th...

[Read More] Impact of Orthodontic Treatment on Airway and Tongue Positioning


Impact of Orthodontics on Airway and Tongue Positioning: Key Considerations

Orthodontic issues If orthodontic treatment does not consider counter-clockwise or clockwise rotation, how can it affect the airway behind the tongue? Is it due to the retraction of the anterior teeth? I have mild sleep-disordered breathing, with dental crowding and a retruded ma...


Dr. Lin Jiayong Reply:
Hello: It is advisable to first set clear treatment goals. If the aim is to achieve properly aligned teeth and stable occlusion, then follow the orthodontist's recommendations. If the goal is to treat sleep apnea and mandibular advancement, then proceed according to the advi...

[Read More] Impact of Orthodontics on Airway and Tongue Positioning: Key Considerations


Is Filling Gaps in Front Teeth a Good Solution for Dental Issues?

Front tooth filling, dental gap? Hello, I have had large gaps between my front teeth since childhood, which has caused my upper front teeth to grow poorly, and the teeth on either side are quite small. I have consulted a dentist who mentioned that this is due to missing teeth. Cu...


Dr. Lin Jiayong Reply:
Hello: If the gap between teeth exceeds 2.5 mm or if there is a malocclusion or deep bite, direct resin filling is not recommended.

[Read More] Is Filling Gaps in Front Teeth a Good Solution for Dental Issues?


Can Uneven Jaw Length Cause Clicking Sounds When Opening Mouth?

Asymmetrical length of the right and left sides of the mandible can cause a clicking sound when opening the mouth to its maximum extent? Hello, Doctor. I am 20 years old and visited a dentist when I was 11, during which X-rays were taken. The doctor's findings were as follow...


Dr. Lin Jiayong Reply:
Hello: The primary treatment goal of orthodontics should be to achieve proper alignment of the teeth. Other related issues (such as facial appearance and joint clicking) may improve as well, but if expectations are set too high, the outcomes may not meet those expectations. If te...

[Read More] Can Uneven Jaw Length Cause Clicking Sounds When Opening Mouth?


Understanding Oral White Lines: When to Seek Dental Advice

Follow-up Inquiry #199703 Dear Dr. Tseng, Thank you very much for your response and explanation regarding the inquiry in "<a href='https://adoctor.tw/article/199703'>#199703</a>". I have understood it clearly. I would like to ask Dr. Tseng the fol...


Dr. Zeng Guanghui Reply:
Hello Mr. Kris: 1. The term "protrusion" refers to the tactile sensation of roughness upon palpation. If it is only slightly protruding, it may be due to mechanical irritation of the mucosa caused by the friction between the upper and lower teeth during occlusion, leadi...

[Read More] Understanding Oral White Lines: When to Seek Dental Advice


Can Cracked Metal-Ceramic Crowns Be Repaired or Need Replacement?

Metal-ceramic crown fracture? Hello, Doctor. I have the following questions I would like to ask, thank you. 1. My fixed dental prosthesis is a metal-ceramic crown, but shortly after it was completed, a small hole appeared, revealing the metal underneath. Can this type of dental ...


Dr. Lin Jiayong Reply:
Hello: When considering porcelain fractures, two issues need to be addressed. First, excessive occlusal forces can lead to cracks; identifying and alleviating the underlying cause is essential to prevent future porcelain fractures. Common causes include a tendency to chew hard ob...

[Read More] Can Cracked Metal-Ceramic Crowns Be Repaired or Need Replacement?


Can Malocclusion Affect Your Sleep Quality?

Can malocclusion affect sleep? Can malocclusion affect sleep? I didn't have any issues when I was younger, but now that I'm older, I do. I personally believe my malocclusion isn't very severe; my lower jaw is slightly shifted to the right.


Dr. Lin Jiayong Reply:
Hello, malocclusion can affect sleep, and individuals will likely be aware of it. Common manifestations include waking up with soreness in the temporomandibular joint, teeth grinding leading to tooth damage and sensitivity, bite marks or bruising on the cheeks or tongue, and in s...

[Read More] Can Malocclusion Affect Your Sleep Quality?


Can Malocclusion Affect Your Sleep Quality?

Can malocclusion affect sleep? Can malocclusion affect sleep? I didn't have this issue when I was younger, but it has developed as I've grown older. I personally believe my malocclusion isn't very severe; my lower jaw is slightly shifted to the right.


Dr. Lin Jiayong Reply:
Hello: Malocclusion can affect sleep, and individuals will definitely be aware of it. Common manifestations include waking up with soreness in the temporomandibular joint, teeth grinding leading to dental damage and sensitivity, bite marks or bruising on the cheeks or tongue, and...

[Read More] Can Malocclusion Affect Your Sleep Quality?


Choosing Between Ceramic Veneers and Full Porcelain Crowns for Dental Repair

Ceramic veneers and full ceramic crowns? Hello, Doctor. I would like to ask about my front tooth, which has had a chip for over ten years due to external force (approximately one-eighth of the tooth's surface). At that time, the dentist assessed that the nerve condition was ...


Dr. Lin Jiayong Reply:
Hello: The primary indication for veneers is to restore the aesthetics, shape, and alignment of teeth. If you expect to exert excessive occlusal function, you may ultimately be disappointed (the veneers may break or completely detach, etc.). It is advisable to first adjust the oc...

[Read More] Choosing Between Ceramic Veneers and Full Porcelain Crowns for Dental Repair


Understanding and Managing Tooth Occlusion Pain: Causes and Solutions

Dental occlusion pain Hello Doctor, I have a problem with tooth occlusion pain, similar to the issue reported by the woman in the link below. I have visited several clinics but have not been able to identify the problem; there are no cavities or periodontal disease. Taking anti-i...


Dr. Zeng Guanghui Reply:
Hello Mr. Pan: It is possible that there are small cracks in the tooth structure, which may irritate the dental nerve during occlusion and cause inflammation. It is recommended to consult a dentist for further diagnosis and treatment. Dr. Tseng Guang-Hui, Department of Dentistry,...

[Read More] Understanding and Managing Tooth Occlusion Pain: Causes and Solutions


Understanding Tooth Pain: Causes and Solutions for Chewing Difficulties

Biting hard objects & occlusal pain Hello Doctor, I would like to consult you regarding an issue. On May 1st, I bit into a small bone from a pig and have since felt subjective pain in my upper right first molar whenever I bite into anything, making it impossible to chew foo...


Dr. Zeng Guanghui Reply:
Hello Ms. Gao: Inability to chew food may be caused by cracked teeth leading to sensitive pulp inflammation, or it could be due to inflammation or injury of the periodontal ligament. There is also a possibility that there is an infection or inflammation at the root apex. It is re...

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


Understanding Zygomatic Bone Fractures: Recovery and Surgical Options

Zygomatic bone fracture Hello: 1. A family member recently suffered a left zygomatic bone fracture due to a car accident. However, the doctor assessed that it does not affect oral occlusion or other functions, and surgery is not necessary, but regular follow-ups are recommended. ...


Dr. Zeng Guanghui Reply:
Hello Ms. Hsiao: 1. If the zygomatic bone fracture is non-displaced and does not affect occlusal function, surgery may not be necessary, and follow-up examinations can be scheduled in approximately 3 to 6 months. 2. It is recommended to consult with an oral and maxillofacial surg...

[Read More] Understanding Zygomatic Bone Fractures: Recovery and Surgical Options


Understanding Dental Insurance Coverage and Re-treatment Policies in Taiwan

Health insurance reimbursement issues? Hello, Doctor! I have a few questions to ask. 1. Some online users mentioned that a dental filling for the same tooth can only be claimed after two years, and if another dentist takes over, it becomes out-of-pocket expenses. 2. A medical...


Dr. Lin Jiayong Reply:
Hello: Returning to the root of the issue, the majority of cases arise from the initial inappropriateness of the restoration (more than two-thirds of the anterior crown is missing, or the occlusal cusps or marginal ridges of posterior teeth are weak or consist of only residual ro...

[Read More] Understanding Dental Insurance Coverage and Re-treatment Policies in Taiwan


Can Misalignment Affect Your Sleep Quality? Understanding Dental Impact

Can malocclusion affect sleep? If you are concerned that your malocclusion may affect your sleep, what constitutes malocclusion? Can malocclusion lead to shoulder and neck pain that impacts sleep? I have a slight malocclusion (my lower jaw is slightly shifted to the right 🤏), but...


Dr. Lin Jiayong Reply:
Hello: Occlusal stability refers to the ability of the posterior teeth on both sides to occlude tightly and evenly distribute the occlusal contacts, with a 2mm deviation in the midline of the anterior teeth being acceptable. It is recommended to consult an orthodontist. Additiona...

[Read More] Can Misalignment Affect Your Sleep Quality? Understanding Dental Impact


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