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Assessment of Stability of Craniofacial Implants by Resonant Frequency Analysis

Authorized Users Only
2016
Authors
Ivanjac, Filip
Konstantinović, Vitomir
Lazić, Vojkan
Đorđević, Igor
Ihde, Stefan
Article (Published version)
Metadata
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Abstract
Implant stability is a principal precondition for the success of implant therapy. Extraoral implants (EO) are mainly used for anchoring of maxillofacial epithesis. However, assessment of implant stability is mostly based on principles derived from oral implants. The aim of this study was to investigate clinical stability of EO craniofacial disk implants (single, double, and triple) by resonance frequency analysis at different stages of the bone's healing. Twenty patients with orbital (11), nasal (5), and auricular (4) defects with 50 EO implants placed for epithesis anchorage were included. Implant stability was measured 3 times; after implant placement, at 3 months and at least after 6 months. A significant increase in implant stability values was noted between all of the measurements, except for triple-disk implants between third and sixth months, and screw implants between 0 and third months. Disk implants showed lower implant stability quotient (ISQ) values compared with screw impl...ants. Triple-disk implants showed better stability compared with single and double-disk implants. Based on resonance frequency analysis values, disk implants could be safely loaded when their ISQ values are 38 (single disks), 47 (double disks), and 48 (triple disks). According to resonance frequency analysis, disk implant stability increased over time, which showed good osseointegration and increasing mineralization. Although EO screw implants showed higher ISQ values than disk implants, disk-type implants can be safely loaded even if lower values of stability are measured.

Keywords:
Craniofacial extraoral implants / disk implants / implant stability / resonance frequency analysis
Source:
Journal of Craniofacial Surgery, 2016, 27, 2, E185-E189
Publisher:
  • Lippincott Williams & Wilkins, Philadelphia
Funding / projects:
  • Interraction of etiopathogenetic mechanisms of periodontal disease and periimplantitis with the systemic disorders of the present day (RS-41008)

DOI: 10.1097/SCS.0000000000002443

ISSN: 1049-2275

PubMed: 26854784

WoS: 000374761200031

Scopus: 2-s2.0-84957634332
[ Google Scholar ]
5
3
URI
https://smile.stomf.bg.ac.rs/handle/123456789/2166
Collections
  • Radovi istraživača
Institution/Community
Stomatološki fakultet
TY  - JOUR
AU  - Ivanjac, Filip
AU  - Konstantinović, Vitomir
AU  - Lazić, Vojkan
AU  - Đorđević, Igor
AU  - Ihde, Stefan
PY  - 2016
UR  - https://smile.stomf.bg.ac.rs/handle/123456789/2166
AB  - Implant stability is a principal precondition for the success of implant therapy. Extraoral implants (EO) are mainly used for anchoring of maxillofacial epithesis. However, assessment of implant stability is mostly based on principles derived from oral implants. The aim of this study was to investigate clinical stability of EO craniofacial disk implants (single, double, and triple) by resonance frequency analysis at different stages of the bone's healing. Twenty patients with orbital (11), nasal (5), and auricular (4) defects with 50 EO implants placed for epithesis anchorage were included. Implant stability was measured 3 times; after implant placement, at 3 months and at least after 6 months. A significant increase in implant stability values was noted between all of the measurements, except for triple-disk implants between third and sixth months, and screw implants between 0 and third months. Disk implants showed lower implant stability quotient (ISQ) values compared with screw implants. Triple-disk implants showed better stability compared with single and double-disk implants. Based on resonance frequency analysis values, disk implants could be safely loaded when their ISQ values are 38 (single disks), 47 (double disks), and 48 (triple disks). According to resonance frequency analysis, disk implant stability increased over time, which showed good osseointegration and increasing mineralization. Although EO screw implants showed higher ISQ values than disk implants, disk-type implants can be safely loaded even if lower values of stability are measured.
PB  - Lippincott Williams & Wilkins, Philadelphia
T2  - Journal of Craniofacial Surgery
T1  - Assessment of Stability of Craniofacial Implants by Resonant Frequency Analysis
VL  - 27
IS  - 2
SP  - E185
EP  - E189
DO  - 10.1097/SCS.0000000000002443
ER  - 
@article{
author = "Ivanjac, Filip and Konstantinović, Vitomir and Lazić, Vojkan and Đorđević, Igor and Ihde, Stefan",
year = "2016",
abstract = "Implant stability is a principal precondition for the success of implant therapy. Extraoral implants (EO) are mainly used for anchoring of maxillofacial epithesis. However, assessment of implant stability is mostly based on principles derived from oral implants. The aim of this study was to investigate clinical stability of EO craniofacial disk implants (single, double, and triple) by resonance frequency analysis at different stages of the bone's healing. Twenty patients with orbital (11), nasal (5), and auricular (4) defects with 50 EO implants placed for epithesis anchorage were included. Implant stability was measured 3 times; after implant placement, at 3 months and at least after 6 months. A significant increase in implant stability values was noted between all of the measurements, except for triple-disk implants between third and sixth months, and screw implants between 0 and third months. Disk implants showed lower implant stability quotient (ISQ) values compared with screw implants. Triple-disk implants showed better stability compared with single and double-disk implants. Based on resonance frequency analysis values, disk implants could be safely loaded when their ISQ values are 38 (single disks), 47 (double disks), and 48 (triple disks). According to resonance frequency analysis, disk implant stability increased over time, which showed good osseointegration and increasing mineralization. Although EO screw implants showed higher ISQ values than disk implants, disk-type implants can be safely loaded even if lower values of stability are measured.",
publisher = "Lippincott Williams & Wilkins, Philadelphia",
journal = "Journal of Craniofacial Surgery",
title = "Assessment of Stability of Craniofacial Implants by Resonant Frequency Analysis",
volume = "27",
number = "2",
pages = "E185-E189",
doi = "10.1097/SCS.0000000000002443"
}
Ivanjac, F., Konstantinović, V., Lazić, V., Đorđević, I.,& Ihde, S.. (2016). Assessment of Stability of Craniofacial Implants by Resonant Frequency Analysis. in Journal of Craniofacial Surgery
Lippincott Williams & Wilkins, Philadelphia., 27(2), E185-E189.
https://doi.org/10.1097/SCS.0000000000002443
Ivanjac F, Konstantinović V, Lazić V, Đorđević I, Ihde S. Assessment of Stability of Craniofacial Implants by Resonant Frequency Analysis. in Journal of Craniofacial Surgery. 2016;27(2):E185-E189.
doi:10.1097/SCS.0000000000002443 .
Ivanjac, Filip, Konstantinović, Vitomir, Lazić, Vojkan, Đorđević, Igor, Ihde, Stefan, "Assessment of Stability of Craniofacial Implants by Resonant Frequency Analysis" in Journal of Craniofacial Surgery, 27, no. 2 (2016):E185-E189,
https://doi.org/10.1097/SCS.0000000000002443 . .

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