J Korean Assoc Oral Maxillofac Surg.  2009 Dec;35(6):462-466.

Eruption and Autotransplantation of a Permanent Tooth Related to Dentigerous Cyst in Mixed Dentition

Affiliations
  • 1Department of Oral Maxillofacial Surgery, College of Dentistry, Yonsei University, Seoul, Korea. kimoms@yuhs.ac
  • 2Research Center for Orofacial Hard Tissue Regeneration, College of Dentistry, Yonsei University, Seoul, Korea.

Abstract

PURPOSE
Dentigerous cyst is the most common intra-osseous lesion of the jaw. Dentigerous cysts can cause delays in eruption of the affected permanent tooth in mixed dentition. It has been suggested that the affected permanent tooth could be erupted spontaneously after the dentigerous cyst was enucleated. But in some cases, orthodontic treatment or autotransplantation technique is known to be required. This study reviews previously performed prognoses of affected permanent teeth, which will lead to a more efficient treatment plan.
PATIENTS AND METHODS
With 28 patients who have undergone cyst enucleation and 10 patients who have undergone autotransplantation, the prognosis of permanent teeth was observed.
RESULTS
After cyst enucleation, spontaneous eruption of a permanent tooth was observed in 56.3% patients, orthodontic treatment was performed in 25% patients. The success rate of autotransplantation was 60.0 %. DISCUSSION: The first choice for treatment of dentigerous cyst in mixed dentition is to guide spontaneous eruption of permanent teeth. For cases without enough eruption space, the orthodontic treatment should be considered. Autotransplantation should be considered when the spontaneous eruption is not expected. It should be considered that the rate of successful autotransplantation is decreased on maxilla anterior area.

Keyword

Dentigerous cyst; Permanent tooth; Eruption; Enucleation; Autotransplantation
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