All posts by AllSmiles

Zirconia Crowns

Why Does My Dark Tooth Still Show Through a Zirconia Crown?

I had a root canal on my upper left front tooth in 2006. Since then, I’ve needed three crowns on that tooth. The first two had metal backing, and the most recent one is zirconia, which my dentist recommended as the best material.

Last fall, my new dentist recommended a crown and a veneer for the adjacent tooth. He said it would help correct the tooth width discrepancy and give me a more uniform smile. I agreed because I wanted a better smile

The result was disappointing. The tooth beneath the crown is very dark, and now the crown looks gray. The veneer doesn’t match the crown or my other teeth.

My dentist attempted to correct the color by placing something inside the crown, but it didn’t solve the problem. He said the discoloration of the root canal tooth is too severe to fully hide.

I can’t believe that there isn’t a reliable way to fix this issue. Is my situation unusually challenging? Thanks. Kim from Nashville

Kim,

Zirconia crowns are strong, but they don’t have the most natural appearance on their own. Especially for front teeth, cosmetic dentists usually enhance zirconia by layering it with porcelain.

Masking a Dark Tooth Requires Precision

The primary challenge in your situation is not the crown material but the darkness of the tooth beneath it. Covering the tooth takes planning, skill, and teamwork between the dentist and the lab.

The dentist must communicate both the final shade and the color of the prepared tooth. This involves photographs and detailed instructions. Some dentists apply an opaquer before sending the case to the lab, while others rely on the ceramist for that step.

Why Do Experience and Teamwork Matter?

Achieving a natural result with a crown on a dark tooth depends heavily on experience. Not every dentist or ceramist regularly handles complex color masking.

Strong dentist–ceramist teams have these advantages:

  • Experience with difficult shade-matching cases
  • Use of customized layering techniques
  • Close collaboration to refine color and translucency

Many cosmetic dentists work with specialized ceramists who focus on aesthetic cases. The results are a higher level of detail and artistry.

How Cosmetic Dentists Create Depth Instead of a Flat White Crown

Overusing opaquer can solve one problem but create another. If too much is applied, the crown may appear unnaturally white and lack the subtle variations seen in natural teeth.

A more refined approach includes:

  • Placing opaquer in deeper layers to block dark color
  • Adding translucent porcelain on top to simulate enamel
  • Building depth to help light reflect naturally

Whether the opaquer is applied to the tooth or within the crown, the goal is to hide the darkness while preserving a natural look for the crown.

Challenges of Blending a Veneer with a Crown

Your dentist’s recommendation to use a veneer on the adjacent tooth reflects a conservative approach. Veneers require less removal of natural tooth structure than crowns.

However, matching a veneer to a crown can be challenging. It requires precise color control and a high level of technical skill to ensure both teeth look consistent in shape, shade, and translucency.

Plano, Texas, female dentist Dr. Miranda Lacy sponsors this post.

Oral Health

I Think My Energy Drinks Are Causing Gum Disease

I think energy drinks are running my teeth. My work and family schedules are full, so I need to stay up for the kids when they get home from school. I haven’t seen a dentist yet this year, but I’m afraid that my habit will cause me to need dentures prematurely. My gums are bleeding. What can I expect when I’m able to get a dental appointment? Thanks. Justyn from Cincinnatti

Justyn,

Sugary drinks don’t automatically cause cavities. The trouble starts when you let the liquid sit in your mouth instead of swallowing it. Decay often develops around the necks of the back teeth, especially on the inside surfaces of the lower molars, where saliva doesn’t rinse as easily.

When you take small sips throughout the day and hold the drink in your mouth, you give bacteria more time to feed on sugar. Even after a dentist treats these areas with fillings, continuing the same habit can lead to new decay forming around the edges of those restorations.

Before changing what you drink, it helps to understand how you drink it. Small adjustments can significantly reduce the damage without requiring you to give up beverages you enjoy.

  • Take larger gulps instead of frequent small sips
  • Swallow promptly rather than holding the drink in your mouth
  • Limit how long sugary liquids contact your teeth

Why Bleeding Gums Need Prompt Attention

Bleeding gums usually signal gingivitis, the earliest stage of periodontal disease. Like tooth decay, gingivitis results from bacteria accumulating along the gumline. When you change how you feed those bacteria and keep the area clean, the gums often heal.

Some people avoid brushing near bleeding gums because they worry about causing harm. Gently but thoroughly brushing the gumline removes the bacteria that prevent healing. Combined with flossing and regular professional cleaning, this approach typically resolves the problem.

Plano, Texas, female dentist Dr. Miranda Lacy sponsors this post.

Tooth Extraction

What Should Be Done If My Tooth Root Broke After Extraction

I had an upper first molar extracted, and it didn’t go smoothly. A piece of the root broke during the procedure. My dentist referred me to an oral surgeon to remove the remaining fragment, but the appointment isn’t for three months.

I feel uneasy about delaying treatment that long. Could waiting cause complications? Should I go ahead with the surgery, or is it sometimes okay to leave a small root tip alone? – Thanks. Kanyn

Kanyn,

Root fractures during extractions are not rare. Some roots have sharp curves or thin ends, making complete removal challenging.

If your dentist stopped rather than attempting a difficult retrieval, that decision is likely to reflect caution. Recognizing limits and referring when necessary protects you from avoidable complications.

Is a Three-Month Delay Appropriate?

The body begins healing immediately after an extraction. Within weeks, new bone begins to form in the socket. After three months, the healing can make surgical access more involved.

Root fragments that require removal are usually addressed within days, not several months.

Why Is an Upper First Molar Different?

Upper first molars sit close to the sinus cavity. That anatomy increases the stakes.

Because of that relationship, surgeons must weigh several risks:

  • Sinus involvement: Retrieval attempts can displace the root into the sinus.
  • Surgical complexity: Removing a root from the sinus requires delicate surgical care.
  • Increased difficulty with healing time: The longer you wait, the more bone forms around the fragment.

What Should You Do Now?

Seek a second opinion promptly, ideally from an oral surgeon. If imaging shows a very small fragment sitting safely near the sinus, monitoring may be reasonable. If not, removal should occur within the next few days.

Plano, Texas, female dentist Dr. Miranda Lacy sponsors this post. She caters to anxious patients.

Cosmetic Dentistry, Uncategorized

My Dark Tooth Still Shows Through the Crown

I injured an upper tooth when I was 16 and had a root canal, which left it discolored. Over the years, I’ve tried to improve its appearance with my general dentist, but each step became more invasive. I’m now left with a discolored crown and an irritated gum line.

I feel worn down by the process, but I don’t want to rush into more treatment without understanding my options. My goal is a tooth that looks natural and feels comfortable.

I’ve had one consultation with a local cosmetic dentist. I’ve considered whether an all-porcelain or a porcelain-layered zirconia crown would yield the best result, but I also understand that the dentist’s experience and comfort with the material matter more than the material itself. What question can I ask to anticipate the results from this dentist? Thanks. Yadira from Chicago

Yadira,

Cosmetic dentistry relies heavily on judgment, proportion, and an eye for detail. While a dentist may train extensively, not all pursue the artistic side of dentistry. Those who do usually showcase their work.

Looking at completed cases on a dentist’s website gives you more insight than reading about techniques or materials.

Ways to Evaluate a Dentist’s Aesthetic Work

A dentist’s smile gallery serves as a practical screening tool. It allows you to assess whether their outcomes align with your goals before you ever schedule a visit.

As you review photos, consider the following carefully.

  • Do the restorations look natural rather than uniform?
  • Do the teeth reflect subtle color variation and depth?
  • Would you feel confident having similar work done on your own smile?

A Balanced View of Cost, Insurance, and the Role of Materials

Practices that emphasize affordability and insurance participation often operate under financial constraints that limit time, materials, and lab collaboration. High-level cosmetic dentistry usually requires flexibility in all three areas.

When it comes to crown materials, an experienced cosmetic dentist can achieve excellent results with layered zirconia, e.max, or feldspathic porcelain. Just as you wouldn’t judge a painter by the brand of paint alone, you shouldn’t judge a cosmetic dentist by material choice without seeing their work.

Plano, Texas, female dentist Dr. Miranda Lacy sponsors this post.

Gum Disease

How to Treat Swollen and Bleeding Gums During Pregnancy

Why are my gums still puffy after delivering my baby in February 2025? Will I need to get a gum contour? Thanks. Melody from WY

Melody,

We understand your concerns. The following information can help you determine whether at-home care will be enough and when to see a dentist.

Why Are Gums Irritated During Pregnancy?

Expectant mothers often experience pregnancy gingivitis, a condition that heightens gum sensitivity to plaque. This inflammation often leads to tenderness and increased bleeding during your daily routine. Because your case involves substantial swelling, you should take extra care to manage the inflammation immediately.

What Can You Do at Home for Pregnancy Gingivitis?

Diligent oral hygiene usually resolves most cases of gum irritation. You can implement several simple changes to your daily routine to help soothe your gums and reduce swelling.

  • Focus on the gum line: Clean the area where the tooth meets the gum carefully with a soft-bristle brush.
  • Prioritize flossing: Ensure you reach the tight spaces between teeth every day.
  • Monitor peroxide use: Rinse with 3% hydrogen peroxide only occasionally, as daily use for over two weeks can lead to an oral yeast infection.

When Should You See a Dentist?

Consult your dentist if your hygiene routine does not improve gum swelling and irritation. Delay gum contouring or other surgical work until your gums are healthy. Addressing the source of the irritation prevents the swelling from returning after a dental procedure.

Plano, Texas, female dentist Dr. Miranda Lacy sponsors this post.

Dental Bridge

Should I Get a Partial Denture Instead of a Long Dental Bridge?

My dentist recommends a six-tooth bridge that includes two natural teeth and three implants. That sounds drastic to me, though. Would you recommend getting a removable partial plate instead? Or should I get two bridges? Thanks for your opinion. Dylan from KS

Dylan,

While we can’t give a personalized assessment without examining you, we can help explain the proposed plan. Joining two natural teeth with three implants under one fixed bridge raises several vital questions worth considering.

How Do Teeth and Implants Differ?

Teeth naturally have slight mobility because periodontal ligaments support them. Implants don’t move at all because they anchor directly into the bone. When you connect these two systems with a rigid bridge, you create a biomechanical mismatch. Some studies indicate that it can be effective with careful planning, while others caution about potential long-term risks.

Connecting all the front teeth into a single unit creates another challenge: if one component fails, the entire bridge may need to be replaced.

How to Maintain a Dental Bridge

Large, connected bridges can be challenging to clean, especially in the front. Basic flossing won’t work, and daily cleaning becomes more involved. Before committing, consider whether this level of maintenance feels realistic:

  • Using floss threaders or water flossers to clean under the bridge
  • Taking extra time to prevent gum inflammation or plaque buildup

Consistent cleaning is crucial for protecting both teeth and implants.

What Are Your Options?

I’m not sure why your dentist didn’t suggest a single implant to replace the missing tooth. A stand-alone implant is often the least complicated and most predictable solution. A removable partial—such as a flipper—offers another acceptable, lower-cost option. Both methods eliminate the risks associated with attaching natural teeth to implants and simplify the cleaning process.

Plano, Texas, female dentist Dr. Miranda Lacy sponsors this post.

General Dentistry

Are My Gums Damaged from My Last Dental Cleaning?

I’m concerned that the dental hygienist who cleaned my teeth last week may have ruined my gums. They were bleeding throughout the appointment. I mentioned it to the hygienist, and he said that I had a lot of calculus below the gumline, so he spent time removing it. It felt like he was cutting my gums. The appointment seemed rough, but the hygienist said it was uncomfortable because he had to remove deposits. What can I look out for if my gums are damaged? Thanks. Micah from Lansing, MI

Micah,

You mentioned that earlier hygienists spent only minutes cleaning your teeth. That’s troubling, because removing hardened calculus below the gumline takes 40 minutes to an hour. Shorter cleanings typically access the visible surfaces, leaving deeper buildup untouched.

If the buildup remained for months or years, your recent cleaning likely felt more painful and caused bleeding. That’s not unusual. When long-standing deposits are removed, the gums react by bleeding as inflammation subsides.

Can a Hygienist Cause Gum Damage During a Cleaning?

Hygienists can contribute to gum damage indirectly by failing to clean thoroughly. The resulting inflammation gradually breaks down the bone supporting your teeth, leading to periodontal disease.

  • Chronic plaque and calculus keep the gums irritated.
  • Persistent inflammation can cause bone loss over time.

Your recent hygienist likely helped reverse years of neglect by performing a thorough cleaning. She may have caused some temporary soreness while protecting your long-term oral health.

In rare cases, overly forceful cleaning could irritate otherwise healthy gums. If that occurred, the tissue would heal quickly without permanent damage.

Plano, Texas, female dentist Dr. Miranda Lacy sponsors this post.

Dentures

What If I am Allergic to My Partial Denture?

What if I am allergic to my partial denture? My gums get sore, and my tongue burns every time I wear it. At the end of the day, I can feel tiny bumps on my gums. The irritation goes away if I stay home for a few days and don’t need to wear the partial denture. Can I exchange it for something else, or will I need to pay for a new partial? My dentist mentioned a bridge, but that seems extreme. I would rather research another type of partial. Thanks. Juliette from Wilmington, DE

Juliette – Dentists can design partial plates from several materials. While a fixed bridge can work, it may not be practical for every patient. A dentist who listens carefully will suggest other solutions when cost or allergy is a concern.

Why Might I Feel Burning or Irritation from My Partial Denture?

Burning in the lips or tongue can be a sign of a contact allergy. This happens when your body reacts to one of the materials used in your denture.

What Should I Do If I Think I’m Allergic to My Partial?

If you notice irritation, leave the partial out until you know which material is causing the problem. A mouth rinse may provide temporary relief, but it will not address the underlying issue.

How Can I Determine Which Material Is Safe for Me?

Your dentist can work with an allergist for testing. These tests identify which materials your body tolerates and which cause reactions. Once you know the results, your dentist can make a new partial with a non-irritating material.

Which Dental Materials Are Most Likely to Cause Allergies?

Dentures and partials can be made from several materials:

  • Acrylic – common and inexpensive, but more likely to cause reactions.
  • Valplast – a flexible nylon-based resin, rarely linked to allergies.
  • Metals – nickel and some other alloys may trigger allergies in sensitive patients.

Will My Insurance Cover Allergy Testing?

In many cases, medical insurance covers allergy testing. This can make it easier to find a safe and affordable long-term solution.

Plano, Texas, female dentist Dr. Miranda Lacy sponsors this post.

Tooth Eruption

Why Hasn’t My Permanent Canine Tooth Erupted Yet?

I am 17 and still have my upper left baby canine teeth. My dentist took an X-ray in February and said the baby canine should fall out soon. Nothing has changed, so I’m wondering if I should be concerned. Also, is there some type of tooth replacement I can get until the tooth erupts? I just want to fill the gap. Thanks. Konnor from MA

Konnor,

Permanent canine teeth usually erupt between the ages of 10 and 12. If they haven’t appeared by age 14, it is concerning. Canine teeth can become impacted, requiring intervention to erupt. Addressing the problem early increases the chances of guiding the tooth into proper alignment.

Delaying treatment can result in the tooth fusing to the bone. Once this happens, the tooth can no longer be moved and must be extracted. For both dental health and social reasons, waiting until 16 or 17 is far from ideal.

How to Determine Why a Canine Tooth Won’t Erupt

A dentist or orthodontist can use a panoramic X-ray to determine whether the root of the unerupted canine is fully formed. Extracting the baby canine at the right time can help the permanent tooth emerge, especially if it’s close to the surface.

If the baby canine is already loose, that’s an encouraging sign—the permanent tooth may be near the surface and erupt on its own. If the baby tooth isn’t loose, the X-ray will help judge how close the adult tooth is and whether it needs help erupting.

Given your concerns about the current dentist, it’s reasonable to get a second opinion from an orthodontist to determine the status of the canine tooth.

What to Expect with Guided Tooth Eruption

If guided tooth eruption is needed, the procedure is not overly complex. Here’s how it works:

  • A minor surgical procedure exposes the crown of the impacted canine. Then:
  • A bracket is bonded directly to the crown of the tooth.
  • A small chain is attached to the bracket.
  • The chain connects to a spring or wire.
  • As the tooth moves downward, the chain is shortened gradually.

This process continues until the tooth is fully in position. The entire process usually takes about a year.

Why Avoid a Replacement Tooth Where One Hasn’t Erupted?

Avoid placing a replacement tooth in the area at this stage. It could block the permanent canine from erupting properly, complicating treatment.

Plano, Texas, female dentist Dr. Miranda Lacy sponsors this post.

Dental Implant

My Dentist Lost His License After I Paid for Dental Implants

I paid upfront for full mouth dental implants, and I dentist lost his license. I found out from a news report that the doctor had a serious issue with dental sedation for a patient and lost his license. My dentist placed all the implants, and I’ve been wearing temporary teeth since May. We were waiting for my jawbone and the implants to fuse, but now my dentist can’t complete the work. I drove by the dental office, and of course, it is closed. Is there any way I can find the dentist or get a refund? – Lenoir from DE

Lenoir

We understand your concerns. This is a challenging situation.

Although the dental office is currently closed, your dentist may have sold his practice to another dentist or dental practice. Investigate that because the sales contract would include the requirement for the new dental practice to complete your full-mouth dental implants treatment.

You can also contact the Delaware Dental Board and ask for advice. A local attorney may be willing to advise you for a fee.

Plano, Texas, female dentist Dr. Miranda Lacy sponsors this post.