Concerns About 3D Dental Sculpting: Wear and Seam Issues Explained - Dentistry

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3D Dental Sculpting Issues


Hello Doctor, last week I had a 3D dental restoration done on my upper first molar.
The dentist mentioned that the decay was extensive, so an overlay crown was used.
However, I have two concerns that I would like to ask about: 1.
Given my strong bite and nighttime bruxism, will the surface of the newly placed 3D restoration wear down in the short term? For example, will it become indented or flattened? 2.
Is it normal for there to be a seam between the 3D restoration and the tooth? Is it normal to feel a groove when I run my fingernail over it? Thank you, Doctor!

mei, 30~39 year old female. Ask Date: 2022/08/07

Dr. Lin Jiayong reply Dentistry


Hello: 1.
It is recommended to wear a bite guard or protective splint at night to prevent the 3D dental restoration from directly bearing the force of grinding.
2.
It is advisable to have the dentist check during your follow-up appointment to see if any reinforcement is needed!

Reply Date: 2022/08/07

More Info


When it comes to concerns about 3D dental sculpting, particularly regarding wear and seam issues, it’s essential to understand the materials and techniques involved, as well as how they interact with your individual dental health and habits.

1. Wear and Tear on 3D Dental Sculpting: Given your situation of having a strong bite and experiencing nighttime bruxism (teeth grinding), it is indeed possible for the surface of a newly placed 3D dental sculpting to wear down more quickly than expected. The materials used in 3D dental sculpting, often composite resins or ceramics, are designed to withstand normal chewing forces. However, excessive force from grinding can lead to accelerated wear, which may manifest as flattening or indentations on the surface.
To mitigate this risk, it is highly advisable to use a night guard or occlusal splint. This device can help absorb some of the forces exerted during grinding, thereby protecting your dental work. If you notice any changes in the surface texture or if you experience discomfort, it’s crucial to return to your dentist for an evaluation. They may need to adjust the sculpting or recommend additional protective measures.

2. Seam Issues with 3D Dental Sculpting: It is not uncommon for there to be a slight seam or junction between the 3D sculpting and your natural tooth structure. This can occur due to the nature of the bonding process and the precision of the fit. However, if you can feel a noticeable groove or if the seam is pronounced enough to catch your fingernail, this may indicate that the fit is not optimal. Ideally, the transition between the sculpting and your natural tooth should be smooth to prevent plaque accumulation and potential decay at the margins.

If you have concerns about the seam, it’s best to discuss this with your dentist. They can assess whether the fit is acceptable or if adjustments are necessary. Sometimes, additional bonding material can be applied to create a smoother transition, which can enhance both the aesthetic and functional aspects of the dental work.

In summary, while 3D dental sculpting offers a modern solution for restoring teeth, it is essential to consider your individual dental habits and the quality of the fit. Regular follow-ups with your dentist can help ensure that your dental work remains in good condition and that any issues are addressed promptly. If you have ongoing concerns about wear or fit, do not hesitate to seek a second opinion or further evaluation from a dental professional. Your oral health is paramount, and ensuring that your dental restorations are functioning correctly is key to maintaining it.

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