Effect of Elongated Cervical Collar on a Marginal Bone Level of Osseointeg-rated Dental Implants (a Clinical Study of System Impladent)

Authors: A. Šimůnek ;  D. Kopecká ;  Cevallos M. D. L. ;  I. Krulichová ;  Z. Škrabková
Authors‘ workplace: Katedra stomatologie LF UK, Hradec Králové, vedoucí doc. MUDr. V. Hubková, CSc. Ústav lékařské biofyziky LF UK, Hradec Králové, vedoucí prof. MUDr. Pravoslav Stránský, CSc.
Published in: Česká stomatologie / Praktické zubní lékařství, ročník , 2001, 5, s. 153-157


The aim of the clinical study is evaluation of the effect of the machined (smooth)cervical collar on marginal bone level. Authors placed 69 modified fixtures Impladent. Theseimplants differed from the standard fixtures by their geometry, surface, and type of cervicalcollar. Marginal bone level was measured both after the healing period and after one year offunctional loading of implants. The marginal bone lost was always more accentuated in theimplants with elongated smooth cervical collar. Other parameters (geometry and surface of thefixture) did not have any effect on the bone level. Authors concluded that implants withelongated smooth cervical collar are, from the viewpoint of the marginal bone level, unconvenient.

Key words:
dental implant – osseointegration – hydroxyapatite – coated implant

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Maxillofacial surgery Orthodontics Dental medicine
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