Different Dental Implant Techniques and Procedures
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Dental implants come in a number of different sizes, shapes and types and are indicated differently in different scenarios.
Broadly implants can be classified into two categories:
- Endosteal: These dental implants are placed within the jawbone. Typically made of titanium and shaped like small screws, they are the most commonly used type of implant.
- Subperiosteal: These dental implants are placed under the gum but on, or above, the jawbone, not within it. This type of implant may be used in patients who do not have enough healthy natural jawbone and cannot, or do not want to, undergo a bone re-building procedure.
The most common implant procedure is Single tooth restoration. In the event of a missing tooth, a single implant can be inserted in its place and topped with a crown of choice. If the implant is in the esthetic zone, immediate implant loading procedure can be attempted.
However in many cases, the amount of bone available in the jaws is insufficient. This maybe he case in patients of increased age or patients with systemic conditions such as diabetes. However, it isn’t a lost cause and such patients can still hope for a strong and stable artificial dentition that significantly improves their lifestyle. Your dentist might advocate a specialized technique for you in accordance to your needs and here is why.
- Bone augmentation: This procedure involves restoring or regenerating bone in your jaw when it is not able to support implant otherwise. Using bone additives and growth factors to fortify the bone has achieved significantly positive results.
- Sinus lift: While placing an implant in the upper back region, a frequently encountered problem is the absence of sufficient bone below the sinus space. In such cases the maxillary sinus elevation or augmentation involves adding bone below the sinus to help in additional anchorage of the implant.
- Mini-Dental implants: Also called small or narrow diameter implants, they are narrower and shorter than commonly used implants. They are used when the space between teeth is very small but the patient would desire a very secure connection.
- All on 4: All on four is a viable alternative to placement of full arch implants for complete mouth rehabilitation. Four dental implants are placed in the bone, in special angulations without the need for bone augmentation. Special abutments are used so that a temporary set of replacement teeth can be placed the same day. After about 6 months, once the implants have integrated completely with the bone, the permanent replacement will be placed and you can assume a regular diet.
- Pterygoid and zygomatic implants: Many a times, the bone in the upper jawbone is just insufficient for placement of implants and no bone augmentation procedure can guarantee sufficient anchorage of implants. In such cases support can be derived from additional bones placed higher than the maxilla (the upper jawbone). These are the pterygoid and zygomatic bones. Mini dental implants are placed in these bone and the restoration derives support from them.