Posts for: January, 2015
Some patients who wear dentures face a kind of Catch-22: their denture fit may have loosened and become uncomfortable over time due to continued bone loss, yet the same bone loss prevents them from obtaining dental implants, a superior tooth replacement system to dentures.
But there may be a solution to this dilemma that combines the stability of implants with a removable denture. A set of smaller diameter implants — “mini-implants” — can support a removable denture with less bone than required by a conventional implant.
Like all living tissue, bone has a life cycle: after a period of growth, the older bone dissolves and is absorbed by the body, a process known as resorption. The forces generated when we bite or chew are transmitted by the teeth to the jawbones, which stimulates new bone formation to replace the resorbed bone. When the teeth are lost, however, the stimulation is lost too; without it, resorption will eventually outpace bone growth and repair, causing the bone mass to shrink.
Removable dentures also can’t supply the missing stimulation — bone loss continues as if the dentures weren’t there; and due to the compressive forces of a denture, bone loss accelerates. As the jawbone structure used to originally form the denture’s fit eventually shrinks, the denture becomes loose and difficult to wear. It’s possible to adjust to the new jaw contours by relining the dentures with new material or creating a new set of dentures that match the current bone mass. Without adequate bone, fixed crowns or bridges anchored by conventional implants may also be out of the picture.
On the other hand, mini-implants with their smaller diameter need less bone than the traditional implant. A few strategically placed within the jaw are strong and stable enough to support a removable denture. One other advantage: these mini-implants can be installed in one visit with local anesthesia and usually without the need for incisions or stitches.
If you would like more information on dentures supported by mini-implants, please contact us or schedule an appointment for a consultation. You can also learn more about this topic by reading the Dear Doctor magazine article “The ‘Great’ Mini-Implant.”
Since as many as 26 percent of older U.S. adults have lost all their teeth, there are a large number Americans who wear full removable dentures, also known as false teeth. You may be one of them.
How much do you know about dentures? See if you can answer the following questions connected with lost teeth and dentures.
- Which word refers to the loss of all permanent teeth?
- What is the name given to the bone that surrounds, supports, and connects to your teeth?
- What tissue attaches the teeth to the bone that supports your teeth?
- Periodontal Ligament
- Periodontal Muscle
- Parietal Ligament
- Achilles Tendon
- When a person loses teeth, the stimulus that keeps the underlying bone healthy is also lost, and the bone resorbs or melts away. Pressure transmitted by dentures through the gums to the bone can accentuate this process, which is called
- None of the above
- A device that replaces a missing body part such as an arm or leg, eye, tooth or teeth is referred to as
- When teeth have to be extracted, bone loss can be minimized by bone grafting. Bone grafting materials are usually a sterile powdered form of
- Allograft (human tissue)
- Xenograft (animal tissue)
- Wearers of full dentures must re-learn to manipulate the jaw joints, ligaments, nerves, and muscles to work differently in order to speak, bite, and chew. The name for this system of interconnected body mechanisms, originating with the root words for “mouth” and “jaw,” is
- Boca biting
- None of the above
- A type of plastic that is artistically formed and colored to make prosthetic teeth and gums look natural is called
- methyl methacrylate
- beta barbital
- Success in denture wearing depends on
- The skill of the dentist
- The talent of the laboratory technician
- The willing collaboration of the patient
- All of the above
Answers: 1c, 2d, 3a, 4b, 5d, 6c, 7b, 8a, 9d. How well did you do? If you have additional questions about full removable dentures, don’t hesitate to ask us.
While the prevention and treatment of tooth decay has improved dramatically over the last half century, it continues to be a major health issue, especially for children. One in four children 5 and younger will develop some form of the disease.
Although tooth decay in children stems from the same causes as in adults — the presence of decay-causing bacteria in plaque, unprotected teeth and the right mix of carbohydrates like sugar left in the mouth — the means by which it occurs may be different. We even define tooth decay differently in children as Early Childhood Caries (ECC), “caries” the dental profession’s term for tooth decay.
ECC highlights a number of cause factors specific to young children, such as: continuous use of a bottle or “sippy cup” filled with juice or other sweetened beverages; at-will breast-feeding throughout the night; use of a sweetened pacifier; or regular use of sugar-based oral medicine to treat chronic illness.
If you noticed sugar as a common denominator in these factors, you’re right. As a primary food source for bacteria, refined sugar is a major trigger for the disease especially if it constantly resides in the mouth from constant snacking or sipping. In fact, it’s the primary driver for a particular pattern of decay known as Baby Bottle Tooth Decay (BBTD). This pattern is specifically linked to sleep-time bottles filled with juice, milk, formula or other sweetened beverages, given to an infant or toddler to help soothe them through the night or during naps.
All these factors cause a cycle of decay. To interrupt that cycle, there are some things you as a parent should do: perform daily hygiene with your child to reduce decay-causing bacteria; reduce the amount and frequency of carbohydrates in the diet, particularly sugar; and protect the teeth by having us apply fluoride or sealants directly to the teeth.
Early tooth decay could affect your child's oral health for years to come. With a little care and vigilance, you improve your chances of avoiding that encounter.
If you would like more information on preventing tooth decay in children, please contact us or schedule an appointment for a consultation. You can also learn more about this topic by reading the Dear Doctor magazine article “Dentistry & Oral Health for Children.”