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[Impacted bilateral first permanent molars induced by the migrated second permanent molars]
E Saito1, S Watanabe, Y Maeyama
1Department of Pedodontics, School of Dentistry, Higashi Nippon Gakuen Univ.
Shoni Shikagaku Zasshi. the Japanese Journal of Pedodontics
|January 1, 1990
Summary
Impacted lower first permanent molars are rare, often caused by unerupted premolars. Early intervention with extraction and orthodontics can help align these teeth.
Area of Science:
- Dentistry
- Pediatric Dentistry
- Orthodontics
Background:
- Impacted permanent teeth are common, usually due to crowding or supernumerary teeth.
- Maxillary canines and third molars are most frequently impacted.
- Impacted first permanent molars are exceptionally rare.
Observation:
- A patient presented with bilateral impacted lower first permanent molars.
- Radiographs showed unerupted second premolars positioned beneath deciduous molars.
- The impacted first molars were mesially inclined beneath the unerupted second premolars.
Findings:
- The impacted condition of the first molars was attributed to the migration of unerupted second permanent premolars.
- No significant medical or dental history contributed to the impaction.
Implications:
- This case highlights a rare cause of impacted first permanent molars.
- Management involved extraction of deciduous molars and premolars, followed by orthodontic treatment.
- Early diagnosis and intervention are crucial for managing impacted teeth.