Delayed exchange of primary teeth by permanent teeth, complicated by multiple impacted permanent and supernumerary teeth combined with severe malocclusion and crossbite, may need treatment. The permanent first and second molars are rarely affected, but the spontaneous eruption is usually delayed (Zhu et al 2018). Affected individuals are more likely to have cyst formation surrounding the impacted teeth.
Multiple impacted teeth
19 January 2020
HP:0011069 Increased number of teeth
The most common features of cleidocranial dysplasia/ dysostosis are among others: