Related Experiment Videos
[Endosseous titanium implants as orthodontic anchoring elements. Experimental studies and clinical application]
1Klinik für Kieferorthopädie, Rheinisch-Westfälische Technische Hochschule, Medizinische Fakultät, Aachen.
Fortschritte Der Kieferorthopadie
|October 1, 1994
Summary
Titanium implants used for orthodontic anchoring show increased bone contact and density, especially in the mandible, when subjected to continuous force. This suggests improved stability and bone apposition during orthodontic treatment.
Area of Science:
- Biomaterials and Dental Implantology
- Orthodontics and Craniofacial Research
- Bone Biology and Tissue Engineering
Background:
- Titanium implants are increasingly utilized as orthodontic anchorage.
- Understanding the bone response to orthodontic forces applied to implants is crucial for treatment success.
- Previous research has explored implant stability, but long-term bone remodeling under force requires further investigation.
Purpose of the Study:
- To evaluate the effects of long-term orthodontic force application on peri-implant bone quantity and direct bone contact with titanium implants in an animal model.
- To compare bone response between mandibular and maxillary implants under orthodontic loading.
- To assess the clinical feasibility of endosseous implants as orthodontic anchoring elements.
Main Methods:
- Experimental study using Brånemark titanium implants (10 x 3.75 mm) in foxhounds.
- Implants placed in premolar areas after extraction; P3 implants served as test (orthodontic force) and P4 as control.
- Histological and fluorescence microscopy analysis of bone-implant contact, peri-implant bone, and bone apposition; clinical evaluation of implant suitability.
Main Results:
- Mandibular test implants showed broader cortical bone, wider peri-implant bone, denser spongiosa (pressure side), and thicker trabecula (tension side) compared to controls.
- Lamellar bone apposition was evident during force application in mandibular test implants.
- Mean direct bone contact percentages: Control (mandible) 40.5%, Test (mandible) 51.6%, Test (maxilla) 42.4%.
Conclusions:
- Long-term orthodontic force application promotes significant bone apposition and increases direct bone contact with titanium implants, particularly in the mandible.
- The observed bone remodeling indicates enhanced implant stability under orthodontic loading.
- Endosseous implants demonstrate suitability and feasibility as orthodontic anchoring devices, with outcomes influenced by implant site and dimensions.