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Dentigerous cysts involving permanent incisors: four case reports
R P Seddon1, D E Fung, K M Barnard
1King's College School of Medicine and Dentistry, University of London.
International Journal of Paediatric Dentistry
|August 1, 1992
Summary
Traumatized primary incisors can lead to dentigerous cysts in permanent incisors. Early radiographic monitoring of discolored primary teeth is recommended to prevent these cysts.
Area of Science:
- Dentistry
- Oral Pathology
- Pediatric Dentistry
Background:
- Dentigerous cysts are developmental odontogenic cysts.
- They commonly arise in association with unerupted permanent teeth.
- Trauma to primary teeth is a potential etiological factor.
Observation:
- Four cases of dentigerous cysts affecting permanent incisors are presented.
- In all cases, the primary predecessor tooth showed signs of trauma, discoloration, and suspected non-vitality.
- These clinical and radiographic findings suggest a link between primary incisor trauma and subsequent cyst development.
Findings:
- The pathogenesis is hypothesized to involve epithelial proliferation within follicular tissues.
- This proliferation is likely induced by chronic periapical inflammation originating from the traumatized primary predecessor.
- This inflammatory process may trigger the cystic transformation of follicular remnants.
Implications:
- Regular radiographic surveillance of primary incisors exhibiting discoloration is crucial.
- Early detection and management of traumatized primary teeth can potentially prevent dentigerous cyst formation.
- This highlights the importance of monitoring primary dentition for long-term effects on permanent tooth development.
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