Journal List > J Korean Acad Periodontol > v.39(Suppl) > 1049819

J Korean Acad Periodontol. 2009 Dec;39(4):413-423. Korean.
Published online December 31, 2009.  https://doi.org/10.5051/jkape.2009.39.4.413
Copyright © 2009 Korean Academy of Periodontology
A retrospective study of survival rate of dental implants placed in osteoporosis patients
Geun Lee, Yoo-Jung Um, Ui-Won Jung, Chang-Sung Kim, Seong-Ho Choi, Kyoo-Sung Cho and Jung-Kiu Chai
Department of Periodontology, Research institute of periodontal regeneration, College of Dentistry, Yonsei University, Korea.

Correspondence: Dr. Jung-Kiu Chai. Department of Periodontology, College of Dentistry, Yonsei University, Shinchon-dong 134, Seodaemum-gu, Seoul, 120-752, Korea. Email: jkchai@yuhs.ac , Tel: 82-2-2228-8820, Fax: 82-2-392-0398
Received November 25, 2009; Accepted December 01, 2009.

Abstract

Purpose

The presented study aims to evaluate the effects of osteoporosis on dental implants by analyzing a 12-year cumulative survival rate of implants placed in patients with osteoporosis.

Methods

37 patients with history of osteoporosis were selected from a pool of dental implant patients treated at the Department of Periodontology in Yonsei University Hospital between 1993 and 2007. The cumulative survival rate is quantified using data collected from 164 placed implants in the selected 37 patients.

Results

3 out of the 164 implants failed and the cumulative survival rate was observed at 95.1%. The survival rates of the implants according to patients' age were 97.41% (<60) and 100% (60≤. The lower survival rate was directly proportional to younger age, and this relationship is statistically significant (P<0.05). The survival rates of implants according to diagnostic criteria were 95.45% (osteopenia) and 98.59% (osteoporosis; 2 out of 142 implants placed in osteoporosis patients failed). The difference in the two survival rates is statistically significant (P<0.05). The survival rates according to the region of implants do not have statistically significant difference. The survival rates according to the different length and diameter of the implants do not have statistically significant difference. The survival rates of implants accompanied and not accompanied by bone augmentation were 92.11% and 100%, respectively. The difference in the two survival rates is statistically significant (P<0.05). The survival rates of implants placed in patients with and without history of medication for osteoporosis treatment are 96.67% and 99.04%, respectively. The difference in the two survival rates is statistically significant (P<0.05).

Conclusions

A high cumulative survival rate of dental implants, similar to one found in non-osteoporosis patients, is observed in osteoporosis patients, indicating the possibility that placing dental implants on patients with osteoporosis can be considered with high treatment predictability.

Keywords: dental implants; osteoporosis; survival rate

Tables


Table 1
Distribution of Subjects According to Gender and Age at the Time of Implant Placement
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Table 2
Distribution of Implant System
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Table 3
Distribution of Implant Surface
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Table 4
World Health Organization (WHO): Diagnostic Criteria for Osteoporosis (WHO, with permission)
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Table 5
The Distribution of Patients with Diagnostic Criteria for Osteoporosis
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Table 6
The Distribution of Implants According to Location
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Table 7
The Distribution of Implants According to Diameter and Length
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Table 8
The Distribution of Implants with Augmentation and Non Augmentation
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Table 9
The Distribution of Implant with Osteoporosis Treatment at the Time of Implant Placement
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Table 10
Life Table Analysis for Implant Survival
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Table 11
Survival Rate of Placed Implants According to Age at the Time of Implant Placement
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Table 12
Survival Rate of Placed Implants According to Diagnosis Osteopenia or Osteoporosis
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Table 13
Survival Rate of Placed Implants According to Location
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Table 14
Survival Rate of Placed Implants According to Diameter and Length
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Table 15
Survival Rate of Placed Implants with Augmentation and Non Augmentation
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Table 16
Survival Rate of Placed Implants with Osteoporosis Treatment and Non Treatment
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Table 17
Analysis of Failed Implants
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