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. 2008 Feb;66(2):272-6.
doi: 10.1016/j.joms.2007.06.652.

Panoramic findings for predicting eruption of mandibular premolars associated with dentigerous cyst after marsupialization

Ryosuke Fujii  1 , Masayoshi Kawakami, Masamitsu Hyomoto, Junichi Ishida, Tadaaki Kirita
Affiliations

Panoramic findings for predicting eruption of mandibular premolars associated with dentigerous cyst after marsupialization

Ryosuke Fujii et al. J Oral Maxillofac Surg. 2008 Feb.

Abstract

Purpose: The purpose of this study was to investigate the eruption of mandibular premolar teeth associated with dentigerous cysts.

Patients and methods: A total of 60 cyst-associated teeth in the mandibular premolars were examined retrospectively by using normalized panoramic radiographs. The subjects were divided into 2 groups: the erupted group, in which the teeth had erupted spontaneously after marsupialization, and the nonerupted group. Patient age, as well as impacted premolar angulation to the adjacent teeth axes, the cusp depth, space/tooth size, eruption period and cyst size, as measured on initial images, were used as parameters.

Results: Using a logistic model of our data, we found that patient age less than 10 years, cusp depth less than 5.1 mm, angulations less than 25 degrees, and space/tooth size greater than 1.0 enhanced the success of eruption.

Conclusion: Our findings present predictors of successful eruption of impacted mandibular premolars associated with dentigerous cysts after marsupialization.

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