Dental ImplantsA revolutionary change was caused by dental implants in dentistry. For the tooth roots that have been lost Implants are man made replacements. Dental implants can be described as metal posts that replace missing teeth. They even bond naturally with the jawbone thus behaving like real roots. Titanium, which is a metal that is bio-compatible with human tissues, is used in most of the dental implants. Without any known ill effects Titanium implants have been used for decades. These implants may be used in both the lower jaw (mandible) or the upper jaw (maxilla)
What advantages do implants give me?Dental implants can be put to use in a variety of ways. They offer better solutions in some instances than conventional dental restorations. If removable or complete dentures are to be avoided Implants are the only solution. Here are some of the ways dental implants can be used:
- a single missing tooth can be replaced by Dental implants. In this case, to support a permanently cemented bridge using an implant would avoid drilling the adjacent teeth needed. When the abutment teeth do not have any fillings This is often desirable. The reason being that the Tooth enamel is precious. Once it’s drilled it can’t be replaced. No matter how carefully it’s done the act of drilling, can still stress the tooth’s nerve. The vitality of the pulp tissue is sometimes compromised. A root canal is needed when this happens,. Another thing to consider is that dental crowns and bridges do not last forever as much as we’d wish otherwise. They can decay can form under the margins and chip or break, necessitating replacements. The need for extra crowns and future dental work is reduced By A single dental implant.
- a removable partial denture can be replaced by Dental implants. Removable bridges are not always as we would like kind to the tissues and as firm. they tend to move around a bit, When they’re not, sometimes wiggling or loosening the teeth they rest on, which are called abutments. Sometimes abutment teeth need to be removed as in time they can become loose. A new, larger removable denture is needed when this happens. Removable dentures make cleaning around some teeth quite difficult as they collect a lot of plaque. And at the spot where tooth meets the gums in the remaining teeth there’s always the chance that decay will form. These problems tend to be avoided with implants, or, at least, minimized.
- A full upper or lower denture can be replaced by Dental implants. To have implants placed in their jaws, most people have enough bone remaining. New techniques exist in the off-chance that there’s not enough bone, to regenerate the amount needed to successfully have implants.
- For full or partial dentures Dental implants provide more retention. Two-four implants can be inserted for increased stability instead of placing five, six, or more implants. The final prosthesis will be more stable when this happens, giving a greater sense of security. Also, than the one being replaced the prosthesis is often smaller.
- Removable bridges can be avoided by Dental implants. Often, a fixed bridge is eliminated as an option due to the loss of a critical tooth. Either a critical abutment has been removed or there are not enough teeth to support a fixed bridge, or the span will be too long. a removable bridge is suggested as a fixed (cemented) bridge cannot be employed to replace the missing teeth regardless of the cause. Is the only option to replace missing teeth is a removable bridge when there are not enough suitable abutments? This is the time to consider dental implants.
- In order to avoid denture Dental implants can be used in complex cases while the patient still has some teeth left. These patients are certainly not strangers to the dental chair and they usually have existing bridges. Situation may be that a key abutment tooth has cracked, or, a root canal has failed or their periodontal condition has worsened. A dentist may in any of these conditions be forced to suggest that unless dental implants are placed in strategic areas, complete (removable) dentures will be needed. This step is too horrific to contemplate, for most people, let alone experience. But complete (removable) dentures can be avoided with proper planning with the success of dental implants.
If I lost teeth due to periodontal disease, can I still have dental implants?Definitely yes. An adequate amounts of bone for dental implants is present in Most patients. However, more bone is needed before implants can be placed in some instances. To graft and regenerate the amount of bone needed for dental implants there are predictable procedures. Enough dental implants can be placed once sufficient amounts of new bone have been regenerated to support a new dental prostheses.
But still, each mouth is different. How do you know I have enough bone for dental implants?if or not there is enough bone to place the dental implants is determined by Dental x-rays and clinical exams. Often before making that determination more information is needed though sometimes, the dentist feels comfortable in proceeding with the placement of a dental implant in conjunction with a clinical examination.
As to how much bone is present in a jaw the dental CAT scans provide the most accurate information. Unlike dental x-rays CAT scans view the jaw in three dimensions. And gives optimum information to the surgeon placing the dental implants.
Are there any dangers that I should be worried about, when having implants placed?Yes. The mandible (the lower jaw) is at highest risk. There is a risk of injury to the mandibular nerve when implants are needed toward the back of the jaw - in the premolar and molar areas. Starting from behind the last tooth and exiting just behind the canine (or eye tooth); this nerve runs through the length of the mandible in the premolar area.
How can I make certain the mandibular nerve is not in the way in my case?The course of the mandibular nerve can be visualized with X-rays, often including a dental CAT scan. While the risk of injury is very small and seldom occurs, it does exist.
Are there other anatomic areas of common concern when having implants placed?Yes, the maxillary sinus. In the area above the maxillary (upper) molars this is the large cavity. It sits behind the cheekbones, under the eyes,and to the right and left of the nose. When we have a cold it’s the space that fills with mucous. The maxillary sinus is a concern during implant placement because it is hollow. It can’t support anything as it’s hollow.
Is there a way to grow more bone in the sinus so I can have an implant?Yes. Sinus lift is the procedure used to grow more bone in the maxillary sinus. In this area is not difficult to place a bone graft, and yields excellent results. Implants can be placed once enough bone has grown, in an area that years ago, was deemed as an impossible site for dental implants.
What else do I have to worry about besides the mandibular nerve and the maxillary sinus, when having dental implants placed?
To hold an implant sometimes the bone is too narrow. There are a variety of ways in these cases, by which we can increase the width of the bone. This technique is called a ridge augmentation. Ridge augmentations are performed months before placing implants Depending on the need, or at the same time the implants are placed.
Regardless of the amount of available the bottom line is that, techniques exist to place implants in nearly all difficult spots. Sometimes it takes a team of surgeons to accomplish the task, and Park Avenue Periodontal Associates has assembled a team of experienced surgeons that can meet the most complicated of challenges.
What about infections from dental implant surgery?Infections do occur though rare. The verdict is not in With regard to the dental literature, as to whether antibiotic therapy should cover every implant surgery. In fact, the weight of evidence is against routine antibiotic coverage. However, the final decision in using antibiotics rests with each operator and their patients.
Can an implant be rejected?Yes. Implants can be rejected, but not in the way we know "rejection" can occur in organ transplants, like with kidneys and hearts. We know dental implants are bio-compatible. There are no known allergic reactions to commercially-pure, titanium implants. which are the most prevalent kind used today. But failures do occur.
The failures we see in dental implants can be explained more in theory, than in fact. For instance, bacteria can contaminate implants. When this happens, an infection might cause the implant to be lost. Naturally, great efforts are taken to insure sterile conditions during implant procedures, from the way the implants are packaged to the hygienic conditions in the operating room.
But a curious fact exists: when an individual has many implants placed, why does only one fail, for example, and all the others "take?" What was different about the one that failed? Probably nothing. What we have come to believe is that the single greatest cause for dental implant failure is that bacteria are already in the jaw bone "before" the implants are placed. The implant passes through this bacteria-laden bone, like smashing through a bees’ nest, and that the seeds of implant failure have been sent into high gear. When this happens, it could take a week or a month, or even half a year, before the implant fails.
Apart from the potential pitfalls, how long does it take for the implants to "work?"Though it can vary for specific reasons, the general rule of thumb is that implants placed in the mandible (lower jaw) heal in 3-4 months, while the maxilla (upper jaw) takes 6-7 months. Augmenting the bone, performing sinus lifts, needing jaw reconstruction, etc., will lengthen healing periods. Remember, healing times are related to human biology. Healing can not be made to go any quicker than how we were intended to heal.
Is there a second surgical stage when getting implants?Yes. The first stage is when the implants are placed in the jaw and the bone "attaches" or integrates to the implants. In a manner of speaking, the implant becomes part of your body. Months later, the surgeon performs a second procedure to expose the implant and place a "healing abutment" on it. Soon after this is done, the dentist can begin making the desired restoration.
With all the things to worry about, how successful are implants?Titanium implant dental fixtures are predictably successful & there is a high degree of success in implants placed by most periodontists and dental surgeons today. Specifically 95% successful in the mandible (lower jaw) and 90% successful in the maxilla (upper jaw). Based from surgeon to surgeon and among implant types, these percentages may vary slightly but as a rule.
When an implant fails, can another be placed in the same spot?Usually, yes. When an implant fails, it is removed. The site is prepared for another dental implant if conditions are right. Sometimes the surgeon does it at the time the implant is removed, while at other times, it is tried only after a prescribed healing period again. It meets with a high degree of success regardless of when an implant is placed in the site of a failure.
Dental implants have opened up treatment vistas for patients and have changed the way we practice dentistry.
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