Child Dental Patient with PRIMARY FAILURE OF ERUPTION

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   the Child Dental Patient with


 

 

Primary Failure of Eruption

 

            

 

Primary Failure of Eruption (PFE): definition

Total or partial failure of eruption without any mechanical obstacle
Affecting temporary and/or permanent teeth

Prevalence is less than 1%

Clinical features
Posterior teeth are affected
Posterior infraclusion

 

Grover PS, Lorton L. The incidence of unerupted permanent teeth and related clinical cases. Oral Surg Oral Med Oral Pathol. 1985;59(4):420-5.
Stellzig-Eisenhauer A, Decker E, Meyer-Marcotty P, Rau C, Fiebig BS, Kress W, et al. Primary failure of eruption (PFE)--clinical and molecular genetics analysis. J Orofac Orthop. 2010;71(1):6-16.

 

Radiological aspects


  • Variable inclusion depth
  • Variable axes
  • Impact on the root morphology of the mandibular molars
  • CBCT is essential to detect possible areas of ankylosis and possible internal resorptions