Synonyms: GDD
Gnathodiaphyseal dysplasia (GDD) is a bone dysplasia characterized by bone fragility frequent bone fractures at a young age cemento-osseous lesions of the jaw bones bowing of tubular bones (tibia and fibula) and diaphyseal sclerosis of long bones associated with generalized osteopenia. GD follows an autosomal dominant mode of transmission.
Data from Orphanet are used to provide information on a disease's name, synonym(s), and overview. Reference: Access aggregated data from Orphanet at Orphadata. Orphadata: Free access data from Orphanet. © INSERM 1999. Available on http://www.orphadata.org. Data version April 2026
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Gnathodiaphyseal dysplasia?
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Advocacy Organizations
The Chandler Project
The Chandler Project brings awareness and shines a light on transformative research surrounding achondroplasia and other skeletal dysplasias by offering support to a global community and network of patients, parents, and caregivers seeking information on scientific discoveries, pharmaceutical advancements and surgical treatment options.
Wave of Support, Inc
Empowering those affected by bleeding disorders and other rare disease through advocacy, resources, education, and support
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Clinical Trials
For a list of clinical trials in this disease area, please click here.