TL;DR
- Dental crowns cover and protect a damaged tooth that remains in the mouth, while dental bridges replace one or more missing teeth.
- Crowns are used when a tooth has too much damage for a filling but enough structure to save. Bridges are used when a tooth is gone, and the adjacent teeth are healthy enough to serve as anchors.
- Both are fixed restorations (permanently cemented) and look and function like natural teeth.
- The right choice depends on whether the tooth can be saved, not on preference. A dentist determines this after an exam and X-rays.
What Are Dental Crowns and Bridges?
Dental crowns and bridges are fixed restorations that address two distinct problems. A crown covers a tooth that is still present but too damaged or weakened to function on its own, while a dental bridge replaces a tooth that has been lost entirely. Both are permanently cemented in place, look like natural teeth, and support normal chewing and speech function.
With that basic distinction in mind, the next step is to understand how each treatment works in practice, when it is recommended and what the procedure actually involves. The sections below break down crowns and bridges in more detail, so it becomes easier to see which option applies in different dental situations.
What Does a Dental Crown Do and When Is One Needed?
A dental crown is a cap that covers the entire visible portion of a tooth above the gum line, restoring its shape, size and strength. It is the appropriate restoration when a tooth has sustained damage beyond what a filling can reliably address.
Common reasons a crown is recommended:
- A cavity that is too large for a filling to support, especially when more than half of the tooth structure is lost, means a filling no longer has enough surrounding tooth to hold it securely.
- A cracked or fractured tooth where the crack extends into or near the cusp; a crown holds the tooth together and prevents the crack from spreading.
- A tooth that has had root canal treatment (RCT); after RCT, the tooth becomes more brittle, and a crown protects it from fracture under bite forces.
- A severely worn tooth from bruxism (grinding) that has lost significant height or surface structure.
At Norwood Dental, crowns are available using CEREC® in-office technology, which captures a digital scan of the prepared tooth and mills the ceramic crown chairside, eliminating the traditional 2–3 week lab wait and the need for a temporary crown.
What Are Dental Bridges and When Are They Recommended?
Dental bridges for missing teeth are used to fill the space left by one or more missing or extracted teeth. Norwood Dental places three types of bridges depending on the patient’s specific situation:
1. Traditional bridge: Replaces a missing tooth by using the teeth on both sides of the gap for support. These supporting teeth, called abutment teeth, are covered with crowns, and a false tooth (pontic) is placed in between. The result is a fixed, non-removable restoration that fills the space and distributes bite force across the adjacent teeth.
2. Cantilever bridge: Used when there is a healthy tooth on only one side of the missing tooth. The bridge is attached to that single supporting tooth. It is used less often and is usually recommended in areas of the mouth that do not experience heavy biting force.
3. Maryland bridge: It is a more conservative option. Instead of full crowns, a metal or ceramic framework is bonded to the back of the neighboring teeth. It is commonly used for front teeth, where only a small amount of tooth preparation is preferred.
A bridge is recommended when the tooth is already lost, and the adjacent teeth are sound enough to serve as anchors. When bone loss is present or the adjacent teeth are compromised, a dental implant may be the more appropriate option. Your dentist will assess this at the evaluation appointment.
How Are Dental Crowns and Bridges Placed? The Procedure Explained
Both dental crowns and bridges follow a similar preparation sequence. Here’s the approach Dr. Daniel Ross, Dr. Brandon Bussler and Dr. Kristina LeCount follow at our clinic in Norwood:
Crown Placement
The steps for a traditional crown placement at Norwood Dental are:
- The exam and X-rays confirm the tooth can be saved with a crown and that no underlying infection requires treatment first.
- Local anesthesia is administered. The tooth is reshaped by filing down the outer surface to create space for the crown to sit over it.
- A digital scan (or physical impression) of the prepared tooth is taken. For CEREC® crowns, the crown is designed and milled in the office on the same day. For lab-fabricated crowns, a temporary crown is placed while the permanent one is made off-site.
- The permanent crown is seated, the fit and bite are checked, adjustments are made if needed, and the crown is cemented in place.
Bridge Placement
Bridge placement follows a similar path, with additional steps for the abutment teeth:
- Local anesthesia is administered. The abutment teeth on either side of the gap are reshaped to accept the anchor crowns.
- A mold or digital scan of the prepared abutment teeth and the gap is taken and sent to the dental laboratory.
- A temporary bridge is placed while the permanent one is fabricated, typically for 2–3 weeks.
- The permanent bridge is seated, the fit and bite are verified, and the bridge is cemented in place.
Crown vs. Bridge: How Do You Know Which One You Need?
Here is a simple table to help you make the right decision:
| Aspects | Dental Crown | Dental Bridge |
| Tooth still present? | Yes | No |
| Adjacent teeth altered? | No | Yes, reshaped as anchors |
| Visits needed? | 1 (CEREC®) or 2 (lab) | Typically 2 |
| Replaces tooth root? | No | No |
| Typical lifespan | 10–15+ years | 10–15 years |
One trade-off unique to bridges: the abutment teeth must be reduced in size to accept the anchor crowns, which is a permanent and irreversible change to otherwise healthy teeth. For patients where the neighboring teeth are intact and undamaged, a dental implant avoids this and preserves the adjacent teeth. Your dentist will discuss whether an implant is a viable alternative based on your bone levels and overall oral health.
What to Do Next for Damaged or Missing Teeth
At Norwood Dental, patients are guided through treatment decisions based on findings from an examination and X-rays. Dental crowns are used when a natural tooth can still be preserved but needs strengthening. Dental bridges are recommended when a tooth is missing, and the space needs to be restored for proper function and bite balance.
Both treatments are time-tested and widely used in clinical dentistry. The choice depends on the condition of the existing teeth and supporting structures rather than personal preference alone. To book an evaluation for dental crowns or dental bridges in Norwood, MN, contact Norwood Dental:
Address: 222 E Wilson St, P.O. Box 717, Norwood, MN 55368
Phone: (952) 467-3518
Email: appointments@norwood-dental.com
Hours: Mon–Tue & Thu 7:00 am–5:00 pm | Wed 7:00 am–7:00 pm | Fri 7:00 am–1:00 pm | Sat–Sun closed
Frequently Asked Questions
Both typically last 10–15 years or longer with proper care. Lifespan depends on oral hygiene, bite forces and whether habits like grinding or chewing ice are managed. Night guards significantly extend the life of both restorations.
Both procedures are performed under local anesthesia. You will feel pressure and vibration but not pain during treatment. Mild soreness for a few days after is normal and manageable with over-the-counter pain relief.
Not currently; bridges require laboratory fabrication, which takes 2–3 weeks. CEREC® same-day technology applies to single crowns only. A temporary bridge is placed while the permanent one is made.
Adjacent teeth drift toward the gap over time, altering your bite. The opposing tooth can over-erupt into the space. Both changes make future restoration more complex and can accelerate wear on remaining teeth.
Minor issues can sometimes be adjusted or repaired, but significant damage usually requires replacement of the restoration.
