The impact of a modified cutting flute implant design on osseointegration.

Abstract:

:Information concerning the effects of the implant cutting flute design on initial stability and its influence on osseointegration in vivo is limited. This study evaluated the early effects of implants with a specific cutting flute design placed in the sheep mandible. Forty-eight dental implants with two different macro-geometries (24 with a specific cutting flute design - Blossom group; 24 with a self-tapping design - DT group) were inserted into the mandibular bodies of six sheep; the maximum insertion torque was recorded. Samples were retrieved and processed for histomorphometric analysis after 3 and 6 weeks. The mean insertion torque was lower for Blossom implants (P<0.001). No differences in histomorphometric results were observed between the groups. At 3 weeks, P=0.58 for bone-to-implant contact (BIC) and P=0.52 for bone area fraction occupied (BAFO); at 6 weeks, P=0.55 for BIC and P=0.45 for BAFO. While no histomorphometric differences were observed, ground sections showed different healing patterns between the implants, with better peri-implant bone organization around those with the specific cutting flute design (Blossom group). Implants with the modified cutting flute design had a significantly reduced insertion torque compared to the DT implants with a traditional cutting thread, and resulted in a different healing pattern.

authors

Jimbo R,Tovar N,Marin C,Teixeira HS,Anchieta RB,Silveira LM,Janal MN,Shibli JA,Coelho PG

doi

10.1016/j.ijom.2014.01.016

subject

Has Abstract

pub_date

2014-07-01 00:00:00

pages

883-8

issue

7

eissn

0901-5027

issn

1399-0020

pii

S0901-5027(14)00058-7

journal_volume

43

pub_type

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