Patients who needed to have their teeth replaced could not be offered this option for there was no evolution during the 1980s when it comes to the knowledge of dental implants. There has been an increase in the use of implants to replace missing teeth since the research that started in Sweden in the 1970s was introduced to the American dental community 20 years ago. Nowadays, root form implants are the vast majority of dental implants being used in the United States. Created to look like the tooth root, these metallic posts or screws are usually made form titanium.
While the root is anchored to the jawbone by ligaments, the crown in a natural tooth sticks out above the gum line. Between a tooth and an implant, the difference is in the manner by which they are connected to the jawbone. In terms of anchoring the root to the bone, responsible for this is a number of small protruding ligaments from the root surface. Also serving as a cushion for the tooth is the shock absorber system that is created here which allows the tooth to move slightly. In this case, there are no ligaments because there is direct contact between the implant and the bone.
There is a narrow, cylinder shaped hole that is drilled onto the jawbone beginning the process of placing a dental implant and then the implant is screwed into place. For 2 to 4 months, the metal surface fuses with the surrounding bone and afterwards the final prosthesis or restoration can be attached. It is the medical community wherein the biologic principles surrounding these procedures have been derived considering the similarities in the materials used for bone plates and screws used in orthopedic surgery and those used to make the dental implants.
What can be replaced by dental implants is a single tooth, several teeth, or a whole arch of missing teeth. Any procedure that cuts down the intact adjacent teeth can lead to a risk for the young individual involving dental pulp or damage to the tooth nerve. This actually prevents teeth which are free of fillings or cavities from being damaged. Considering a single tooth, a three part system is involved in replacing it.
The implant to replace the root, a cap or crown, usually a metallic restoration covered with porcelain, to replace the natural crown, and an interconnecting piece, referred to as the abutment. Patients who are not satisfied with removable appliances, like partial or full dentures, may find a much more gratifying result by replacing the removable appliances with ones fixed in place via dental implants. Actually, anchoring a loose denture is the greatest service that implant dentistry can give. Years of denture wearing reduce the size of the underlying jawbone to the point where the denture simply will not remain seated during function. Placement of dental implants to provide two or more anchor points can eliminate the instability and produce a very solid, functional prosthesis.
In order for a patient to experience a predictably good treatment result, several requirements are necessary. The implant should be placed considering an adequate width and height for the jawbone. Besides how old the dentures or partial dentures are and the patient is, the location and size of certain anatomic structures like the sinuses in the upper jaw and the nerve canal in the lower jaw can influence the suitability of the jawbone to receive dental implants.
There are some procedures which can be done to increase the size of the bone receiving the dental implants if there are deficiencies in the size of the jawbone. Less success in this procedure can be felt by those who have glandular or bone metabolism abnormalities like osteoporosis, have active infection present in the mouth, or those who smoke.
For the American Dental Association, they do not recognize any specialty considering the practice of implant dentistry. With postgraduate courses, general dentists are trained after graduating from dental school but residency programs offer advanced training for dental specialists. Growing to be the most recognized standard of care for replacing teeth is the era of implant dentistry which has made a positive impact on dental patients.
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