Comparative study: Osstem TSIII CA and Straumann SLActive.

A Prospective comparative clinical study of Osstem TSIII CA and Straumann SLActive Bone level implants to early loading in case of single rehabilitation of maxillary molar.
By: Jin-Yong Lee, Sun Kyoung Kim, Jung-Woo Lee, Soo-Hwan Byun, Jong-Sik Kim, Hosik Choi, Jae-Rim Lee, Kyungsub Lim, Bo-Yoon Chung, Min kyoo Kim, Jai-Bong Lee, Young-Jun Lim, Jong-Ho Lee


Purpose of study:

The aim of this study was to evaluate the clinical outcome of early loading of the Osstem TSIII Ca-SA and compared with Straumann SLActive (Bone level).


Patients & Methods:

Inclusion criteria

Sex: male or female
Age: from 20 years to 75 years
Position: the unilateral loss of one molar(FDI positions 15-17, 25-27) in the maxilla
Bone: 10mm or more the height of the residual alveolar bone (at least 3 months healing of the extraction socket)

Devices

The implants were selected according to the available bone condition of the patient.

  • Osstem TSIII Ca-SA Implant; diameters 4.5 and 5.0 mm, lengths of 10mm
  • Straumann SLActive Bone Level Implants; diameters 4.1 mm and 4.8mm, lengths  of 10 mm

Assessment

Implant Stability, Radiographs, Soft tissue analysis, Implant Success Rate and the Treatment Failure. Success of Implant should not be as follows: Persistent or irreversible discomfort, pain and paresthesia, peri-implantitis accompanied by abscess, Implant mobility, and radiolucent lesion around implants.


Results:

Flow diagram of patients and implants placed

Flow diagram of patients and implants placed

Comparison of implant stability

Comparison of implant stability

Marginal bone level changes

Radiographic measurements of distance between implant shoulder and bone contactFig 3. Radiographic measurements of distance between implant shoulder and bone contact. A: Measurement method,   B: Visit 2 C: Visit 4   D: Visit 5   E: Visit 6

Comparison of marginal bone level

Soft tissue analysis; plaque index, calculus index, sulcus bleeding index, probing depth

Soft tissue analysis; plaque index, calculus index, sulcus bleeding index, probing depthSoft tissue analysis; plaque index, calculus index, sulcus bleeding index, probing depthSoft tissue analysis; plaque index, calculus index, sulcus bleeding index, probing depth


Conclusions:

There were no significant differences in the clinical outcomes between the two groups at 12-month after early loading. At the time of implant placement, subjects for available early loading are 90.9% and 90.6% in the test and control group. In early loading implant, the success rate after 1 year of follow-up was 96.4% for both implant systems except loss of follow up. “This study was supported by a grant of the Korea Healthcare technology R&D Project, Ministry for Health, Welfare & Family Affairs, Republic of Korea. (A120092)”

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