Effect of microthread on the maintenance of marginal bone level: A 3-year prospective study

Dong Won Lee, Young Shill Choi, Kwang Ho Park, Chang Sung Kim, Ik Sang Moon

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Abstract

Objectives: The purpose of the present study was to evaluate the long-term effect of the microthread on the maintenance of marginal bone level. Material and methods: Seventeen patients were selected and two types of Astra Tech implants were installed, with the Microthread™ on the coronal portion of the fixture [Astra Tech Single Tooth Implant (ST)] or without the Microthread™ [Astra Tech TiOblast Implant (TB)]. ST and TB were installed adjacent to each other within the same partially edentulous sites and marginal bone loss was evaluated by radiographic image. The marginal bone-level alteration of the each fixture after prosthesis insertion was analyzed. Results: The marginal bone loss of ST and TB differed significantly during the observation period (P<0.01). Marginal bone levels of both ST and TB were stabilized after 1 year of lading. Conclusions: The Microthread™ might have an effect in maintaining the marginal bone loss against loading.

Original languageEnglish
Pages (from-to)465-470
Number of pages6
JournalClinical Oral Implants Research
Volume18
Issue number4
DOIs
Publication statusPublished - 2007 Aug 1

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All Science Journal Classification (ASJC) codes

  • Oral Surgery

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