What Are Dental Filling and Dental Crowns?
What Is Dental Filling?
Fillings in teeth must be repaired if cavities or other damages occur. The Dental Filling Process is done by entirely removing the decayed part of the teeth before filling the tooth again with any of the restorative agents such as tooth-colored resin or amalgam.
Most patients prefer a composite filling since it matches very well with their natural dental structure and conserves greater tooth structure when compared to other dental restorations.
Note: A 2022 systematic review of 11 randomized clinical trials evaluated 812 posterior restorations and reported 58 failures during an average follow-up of about 40 months. The study found no significant difference in clinical performance between bulk-fill and conventional composite materials.
What Is a Dental Crown?
Custom restoration, dental crowns cover the majority of visible areas of a damaged tooth. Unlike fillings, which only fill the missing parts, these crowns offer protection around the remaining parts of the tooth.
The dental crowns are often suggested when the tooth is severely decayed, has a huge filling, possesses considerable structural damage, or fracture. Crowns are also applied post root canal treatment to safeguard the tooth from future damage.
Note: Research supports the importance of appropriate restoration after Root Canal Treatment. One systematic review found a 10-year survival rate of approximately 81% for root canal treated teeth restored with crowns, compared with 63% for those restored with direct restorations.
Dental Implants vs Dental Bridges: Side-by-Side Comparison
| Aspect | Dental Filling | Dental Crown |
|---|---|---|
| Primary Purpose | Repairs cavities and smaller areas of tooth damage. | Restores and protects severely damaged or weakened teeth. |
| Amount of Damage | Best for small to moderate cavities where enough healthy tooth structure remains. | Generally recommended when a large portion of the tooth is damaged, fractured, or weakened. |
| Tooth Structure | Preserves more natural teeth because only the damaged portion is removed. | Requires tooth preparation to accommodate the crown over the remaining tooth. |
| Strength & Protection | Provides good support for teeth with limited damage. | Provides greater coverage and protection for significantly weakened teeth. |
| Coverage | Fills only the cavity or damaged portion of the tooth. | Covers most or all of the visible portion of the tooth. |
| Cracked Teeth | May be suitable for minor damage, depending on the crack. | Often considered when a tooth is significantly cracked or structurally compromised. |
| After Root Canal | May be suitable when substantial tooth structure remains. | Often considered when significant tooth structure has been lost and additional protection is needed. |
| Treatment Time | Usually completed in a single dental appointment. | Traditional crowns may require preparation followed by fabrication and placement; some dentists offer same-day crowns. |
| Procedure | Decay is removed and the cavity is filled with restorative material. | The tooth is prepared and a custom-made crown is placed over it. |
| Longevity | Lifespan varies by material and circumstances. Research has reported median survival exceeding 16 years for amalgam and approximately 11 years for composite restorations. | Can also last many years with proper care. Longevity depends on material, oral hygiene, bite forces, and maintenance. |
| Maintenance | Requires regular brushing, flossing, dental checkups, and monitoring for recurrent decay or wear. | Requires the same oral hygiene routine, with particular attention to the crown margins. |
| Best For | Teeth with limited decay or damage and adequate remaining structure. | Teeth with extensive decay, fractures, large restorations, or substantial loss of tooth structure. |
Which Restoration Is Best for You?
In the question of whether to use dental crowns or fillings, there is no clear winner. Fillings are typically favored when the affected tooth is only slightly damaged and sufficient tooth structure remains. Crowns are considered more appropriate when the tooth is severely damaged, broken, greatly restored, or should be reinforced.
The goal should not simply be to choose the strongest restoration. The goal is to preserve as much healthy natural tooth structure as possible while providing the protection and function the tooth needs.
How Mayfield Ranch Dental Helps You?
Mayfield Ranch Dental is your trusted advanced and emergency dentist in Round Rock, Texas. We offer comprehensive and best restorative dentistry in Round Rock, including
- Dental Bridges
- Dental Crowns
- Dental Fillings
- Dental Implants
- Dentures
- Full Mouth Rehabilitation
- And all other dental treatments under one roof at best prices
We are experienced and affordable dentists in Round Rock with flexible scheduling and personalized care. Contact us today!
Frequently Asked Questions
1. Can Mayfield Ranch dentist replace my old filling with a crown?
Yes. When the filling of your tooth is quite large, failing rapidly, or if the tooth itself is weak, broken, or cracked in any way, our expert dentist recommends you go for a crown. For this process to proceed, an x-ray may be required in order to assess if your tooth is able to support the new restoration.
2. Can I get a filling instead of a crown to save money?
It may be possible. If there is a sufficient quantity of tooth structure, it might be possible for you to receive a filling instead of a crown. However, placing a filling on a very weak tooth can put the tooth itself at risk. Consequently, our dentist will have to decide if it will be safe for you to have a filling placed on your tooth.
3. Does a crown completely protect a tooth from future cavities?
No. The filling does cover visible parts of the tooth; however, decay can continue forming around the crown edges as well as the exposed tooth surface. Therefore, your tooth will still need brushing, flossing any fluoride treatment when necessary and regular visits to the dentist.
4. Can a cracked tooth be repaired with a filling?
It depends on the location and severity of the crack. Small structural defects may sometimes be restored with a filling, while deeper or more extensive cracks may require a crown or other treatment. In some cases, a crack extending below the gum line can make the tooth difficult or impossible to save.