2011•Journal of Dental Prevention and TreatmentRequires access
Application of Piezosurgery Device in Root Separation and Tooth Hemisection for Maxilla Molars
Xue Liu
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Abstract
Objective To evaluate clinical effects of application of piezosurgery device in root separation and tooth hemisection combined with dowel crown.Methods Totally 18 maxilla molars agreed with the criteria we set were selected.Root separation,tooth hemisection,crown lengthening and furcation involvement therapy when needed were performed with piezosurgery device after consummate root canal therapy.Then the post and core were restored and combined crowns were made.All the cases were followed up for 2 year.Results All of the teeth functioned well except that one patient was lost.X-ray shows no obvious alveolar bone loss.Conclusion A satisfactory treatment effects could beachieved by using the piezosurgery device in root separation and tooth hemisection combined with dowel crown to save maxilla molars with severe defect.