Tongue and maxilla reach their approximate adult size by the age of 8 years, while the growth of the mandible continues. Disturbance of mandibular growth by interfering with growth centers bilaterally could prevent class III malocclusion and save patients the complications of orthognathic surgery. Are there any studies on inducing bilateral condylar fractures to control mandibular growth?
The problem with condylar cartilage is that it is believed to be a site and not a center, although it can be stimulated to some extent by growth modification. We have done an ultrasound study to stimulate mandibular growth with functional appliance. Also we have used infrared to do the same thing. Please check my publications.
In one of our unpublished studies , we found that infrared application without functional appliance retarded mandibular growth but with insignificance difference from the control group. We couldn't publish it because of the sample size.
The etiology of Class III malocclusion often extends beyond mandibular morphology. We have published research showing non-surgical elongation of the anterior cranial base, which corrects the Class III profile. We have also published research which shows non-surgical increases in midfacial bone volume in adults, which addresses the Class III phenotype. Our previous paper in the Amer J Orthod Dentofac Orthop localized the growth in the condyle, which is likely due to a stem cell population that resides in the intermediate cell layer. Best wishes - Prof Dave Singh
There are insufficient data to make
clear recommendations regarding the efficacy of
interfering with growth centers.
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