Effect of location on primary stability and healing of dental implants.

Abstract:

PURPOSE:To study implant primary stability and bone healing using resonance frequency analysis in different anatomical locations 4 months after placement. MATERIAL AND METHODS:Fifty-six partially edentulous patients restored by dental implants were included. Overall, 214 implants were placed without bone or soft tissue augmentation. All implants were placed with the same drilling protocol and implant insertion torque (35-40 N · cm). RESULTS:The mean implant stability quotient (ISQ) value at baseline for all the locations was 75.4 mm (95% confidence interval, 74.20-76.59 mm). Higher ISQ values were found in the mandible. A significant difference between ISQ values of each location (P < 0.001) was identified. The mean values obtained showed an increase (3.4%) in all the locations, being greater in the posterior lower and upper maxillae (3.8%), whereas for the anterior maxilla, it was the least (1.5%) 4 months after healing. This increase was statistically significant in the posterior upper and lower maxillae (P < 0.001). CONCLUSION:Higher implant stability was found in mandible compared with maxilla in both periods, immediately after insertion and 4 months later. Therefore, according to ISQ values, restoring implants immediately after insertion or after a healing period of 4 months represents safe time points.

journal_name

Implant Dent

journal_title

Implant dentistry

authors

Monje A,Suarez F,Garaicoa CA,Monje F,Galindo-Moreno P,García-Nogales A,Wang HL

doi

10.1097/ID.0000000000000019

subject

Has Abstract

pub_date

2014-02-01 00:00:00

pages

69-73

issue

1

eissn

1056-6163

issn

1538-2982

journal_volume

23

pub_type

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