J Adv Prosthodont.  2011 Dec;3(4):229-235. 10.4047/jap.2011.3.4.229.

A 5-year retrospective clinical study of the Dentium implants

Affiliations
  • 1Department of Prosthodontics, Institute for Clinical Dental Research, Guro Hospital, Korea University Medical Center, Seoul, Korea.
  • 2Advanced Prosthodontics, Postgraduate School of Clinical Dentistry, Institute for Clinical Dental Research, Korea University, Seoul, Korea.
  • 3Department of Preventive Dentistry, Guro Hospital, Korea University Medical Center, Seoul, Korea.
  • 4Department of Prosthodontics, School of Dentistry, Pusan National University, Pusan, Korea.
  • 5Advanced Prosthodontics, Postgraduate School of Clinical Dentistry, Institute for Clinical Dental Research, Korea University Medical Center, Korea University, Seoul, Korea. swshin@korea.ac.kr

Abstract

PURPOSE
The aim of this retrospective study was to evaluate cumulative survival rate (CSR) of Implantium implants followed for 5 years and association between risk factors and the CSR.
MATERIALS AND METHODS
A total of two hundred forty-nine Implantium Implants System (Dentium, Seoul, Korea) placed in ninety-five patients from 2004 to 2009 were investigated with several identified risk factors (sex, systemic disease, smoking, alchohol, reason of tooth loss, length, arch (maxilla or mandible), replace tooth type (incisor, canine, premolar or molar) Kennedy classification, prosthodontic type, prosthodontic design, opposite dentition, abutment type, occlusal material, occlusal unit, splint to tooth, cantilever, other surgery). Clinical examination (mobility, percussion, screw loosening, discomfort, etc.) and radiographic examination data were collected from patient records including all problems during follow-up period according to protocols described earlier. Life table analysis was undertaken to examine the CSR. Cox regression method was conducted to assess the association between potential risk factors and overall CSR.
RESULTS
Five of 249 implants were failed. Four of these were lost before loading. The 5-year implant cumulative survival rate was 97.37%. Cox regression analysis demonstrated a significant predictive association between overall CSR and systemic disease, smoking, reason of tooth loss, arch, Kennedy classification and prosthodontic design (P<.05). The screw related complication was rare. Two abutment screw fractures were found. Another complications of prosthetic components were porcelain fracture, resin facing fracture and denture fracture (n=19).
CONCLUSION
The 5-year CSR of Implantium implants was 97.37%. Implant survival may be dependent upon systemic disease, smoking reason of tooth loss, arch, Kennedy classification and prosthodontic design (P<.05). The presence of systemic diseases and combination of other surgical procedures may be associated with increased implant failure.

Keyword

Dental implant; Survival rate; Risk factors

MeSH Terms

Bicuspid
Dental Implants
Dental Porcelain
Dentition
Dentures
Follow-Up Studies
Humans
Life Tables
Percussion
Prosthodontics
Retrospective Studies
Risk Factors
Smoke
Smoking
Splints
Survival Rate
Tooth
Tooth Loss
Dental Implants
Dental Porcelain
Smoke

Figure

  • Fig. 1 Dentium implant (Dentium Co., Seoul, Korea).

  • Fig. 2 Reference point for measuring of marginal bone loss. A: junction between implant machined collar bevel and rough surface, B: implant to marginal bone contact level, C: inter-thread distance.

  • Fig. 3 Age distribution of the patient at the implant installation.

  • Fig. 4 Box plot chart with the mean marginal bone level change (blue and red line). A black line shows a difference between the maximum and minimum bone level change.


Cited by  1 articles

A 5-year prospective clinical study of Neobiotech implants for partially edentulous patients
Wilmart Labriaga, Ju-Hee Hong, Jin-Hong Park, Sang-Wan Shin, Jeong-Yol Lee
J Korean Acad Prosthodont. 2017;55(3):272-278.    doi: 10.4047/jkap.2017.55.3.272.


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