Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz
Gewählte Publikation:
SHR Neuro Krebs Kardio Lipid Stoffw Microb
Huber, S; Rentsch-Kollàr, A; Grogg, F; Katsoulis, J; Mericske, R.
A 1-year controlled clinical trial of immediate implants placed in fresh extraction sockets: stability measurements and crestal bone level changes.
Clin Implant Dent Relat Res. 2012; 14(4):491-500
Doi: 10.1111/j.1708-8208.2010.00294.x
Web of Science
PubMed
FullText
FullText_MUG
- Führende Autor*innen der Med Uni Graz
- Huber Sandra
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- Abstract:
- The aim of this study was to measure stability and crestal bone level changes of implants placed in fresh extraction sockets in elderly patients. Thirty-five patients who were in need of tooth extractions were recruited for this study. They received a total of 65 implants in both jaws to support fixed or removable prostheses. The teeth were carefully extracted, the implants set directly in the root socket, and resonance frequency analysis (RFA) measurements were simultaneously performed (Time 1=T1). After a healing time of 6 to 10weeks the measurements were repeated (Time 2=T2). Orthograd periapical radiographs were taken when the new prostheses were fabricated and after 1year of loaded period. The distance between the first visible bone implant contact (BIC) and the implant-shoulder was measured and crestal bone loss was calculated (ΔBIC). Mean RFA and BIC were compared for various subgroups (p<.05). By means of a fixed effects model, the impact of the parameters gender, jaw, and prosthetic indication on RFA measurements was analyzed (p<.016). The mean implant stability quotient (ISQ) values were 64.4±6.7 at T1 and 64.0±at 8.6T2, with a trend to higher values for male patients. The mixed model showed that only the jaw had a statistically significant impact on ISQ values, with higher values for the mandible. Mean crestal bone loss was small with 0.49±0.81mm, ranging form 0.1 to 2.4mm. Twenty percent of the implant sites lost more than 1-mm crestal bone. No differences were found in subgroups. Good primary and secondary stability of the implants was reached in both jaws. Crestal bone loss was small but may not be fully predictable for a single site. This treatment modality can be applied successfully in elderly patients and can be suggested for various prosthetic indications in both jaws. © 2010 Wiley Periodicals, Inc.
- Find related publications in this database (using NLM MeSH Indexing)
- Aged -
- Alveolar Bone Loss - classification
- Alveolar Process - diagnostic imaging
- Biomechanical Phenomena -
- Dental Implantation, Endosseous - instrumentation
- Dental Implantation, Endosseous - methods
- Dental Implants -
- Dental Prosthesis Design -
- Dental Prosthesis Retention -
- Dental Prosthesis, Implant-Supported -
- Female -
- Follow-Up Studies -
- Humans -
- Male -
- Middle Aged -
- Osseointegration - physiology
- Radiography, Bitewing -
- Surface Properties -
- Tooth Socket - surgery
- Treatment Outcome -
- Vibration -
- Wound Healing - physiology
- Find related publications in this database (Keywords)
- crestal bone level
- immediate implants
- RAF measurements