"Please don't judge me, I haven't seen a dentist in many years!" This is a common quote we hear from many patients who come through our doors. My usual reply is that we never judge! Instead, we are thinking of many different ways we can to address your concerns and how we can help you smile your best. This case was so fun to restore. The story is that this kind patient (teeth pictured above) lost one of his front teeth, which was now being stabilized by a cantilever bridge supported by stainless steel window. Usually this is a temporary solution for a missing tooth, however the stainless steel had lasted over a decade! This patient was finally ready to replace it with a brand new bridge, as he disliked the esthetics (as you might guess!). One of the important factors for this case was that it was front teeth we were dealing with - we need careful treatment planning and prosthodontics, since one wrong move will completely ruin a smile! So we took careful models (lower left photo) along with fabricating a life-like temporary bridge (lower right photo) as we created his porcelain bridge. We cemented the bridge to the patient's delight! He and his wife were very happy with the final result!
There could be several reasons for this appearance. The first of which is the material of the crown. Many caps or crowns are made of porcelain fused to a metal base. The porcelain is designed to mimic natural teeth, however it is layered on top of metal for better strength and support. When there is gum recession, some of the metal layer can be exposed and appears as a dark line along the gum line. Another reason for the dark line could be if the tooth previously had trauma or a root canal done before getting the crown done and gum recession exposed some of the natural tooth. The natural tooth under the crown may be discolored, however this does not always indicate the presence of decay or a cavity. A clinical exam would need to be done to determine the health of the tooth structure under the crown. Lastly, the black line could be decay or a cavity. Although the cap is a false tooth to cover the natural tooth, it does not mean the natural tooth will be immune to cavities. With proper home care (brushing twice a day, flossing once a day) and regular check up visits (at least every 6 months), patients with crowns can ensure their longevity. Some patients will complain of bad breath or halitosis around their old crowns. Indeed bacteria and decay trapped under crowns needing to be replaced will cause an odorous breath. At our office, while porcelain/metal crowns are sometimes indicated, almost 99% of our crowns are made of zirconia, porcelain, or ceramic. With today’s technology, these materials can be very strong, eliminating the need for a metal base. This will also make sure you won’t get the dark metal color showing through around the gum line. With our office’s 3D scan technology (our office loves to keep up with the newest technology), when indicated, we can match a new crown to a previous tooth’s look so your retainer will still fit and your bite will feel just like your old tooth! Take a look at the pictures below to see what may be hiding under old crowns that are due to be replaced. This particular crown (porcelain fused to metal base) served our patient almost 20 years, which is about 20,000 meals! It was finally time for an upgrade to a brand new zirconia crown. Hopefully our patient can get another 20,000 meals out of the new one. After the old cap is removed, all the decay is removed, and adequately built back up with a build-up filling to fill in all the gaps where decay was. The build-up filling will also protect the nerve inside the tooth if it is alive, or protect the root canal treatment which was done. Then we do a 3D scan of the natural tooth so a brand new custom made crown can be made. Our dental lab was given instructions to match the patient's new tooth to their old tooth (to fit their retainer) using the 3D scan seen above.
The final crown restoration will be uploaded after our patient comes back in for its cementation! Our very compliant patient's results after 6 months of wearing her myofunctional appliance. Myofunctional therapy/myofunctional appliance wear is a minimally invasive, and more holistic approach to treating children with maloccolusion (misalignment of teeth like crowding or excessive spacing) in the dental office. It is used to treat patients who are mouth breathers, have a tongue thrust, thumb sucking habits, or other tongue or cheek muscle habits. These are known as incorrect myofunctional habits. A few symptoms of incorrect myofunctional habits are snoring and teeth grinding during sleep. Myofunctional therapy can be used to treat the cause of these symptoms.
A myofunctional appliance is an alternative to braces, which is less expensive, and less painful. More importantly, not only does this treatment straighten teeth, it also helps your child’s face develop to its full potential. This type of treatment is aimed to treat the cause of malocclusion and jaw development, rather than the symptoms (as traditional orthodontics do). While braces/Invisalign can straighten teeth, if the initial cause of the malocclusion is not addressed, the patient’s teeth will relapse back to their maloccclusion. The earlier a child begins treatment to address the causes of malocclusion, the better retention they will have of their straight teeth and the more successful their treatment will be. A tell tale sign of incorrect myofunctional habits is the pediatric patient with bags under their eyes. This indicates a mid-face deficiency and lack of growth. The presence of under eye bags, or venous drainage, is due to the cheek bones failing to grow forward. They instead grow down and back, leading to a "long-face" appearance. This development also acts to narrow the airway, which leads to snoring and teeth grinding. The earlier incorrect myofunctional habits are corrected, the less problems the patient will have later in life. By age 5, majority of children in the US will already show signs of malocclusion and the need for orthodontic treatment. By age 14, 90% of facial development is complete. Though orthodontics can still make the teeth look straight, it cannot significantly change the shape of the face as myofunctional therapy would. Give our office a call to see if your child would be a good candidate for myofunctional therapy. |
AuthorDr. Mat and Dr. Jen will occasionally post cases or pictures from our office! Archives
August 2023
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