11 Baf-A1 Speech Strategies
A few publications described bone quality in accordance with the Misch or Trisi and Rao classifications systems. Assessment methods were often described only briefly (or not at all in one-fifth of the publications). Only one study presented the diagnostic accuracy of the assessment method, while only two presented observer performance. Conclusion: The differing this website definitions and classification systems applied to dental implant planning and placement make it impossible to compare the results of various studies, particularly with respect to whether bone quality or quantity affect treatment outcomes. A consistent classification system for bone tissue characteristics is needed, as well as an appropriate description of bone tissue assessment methods, their diagnostic accuracy and observer performance. To cite this article: Ribeiro-Rotta RF, Lindh C, Pereira AC, Rohlin M. Ambiguity in bone tissue characteristics as presented in studies on dental implant planning and placement: a systematic review. Clin. Oral Impl. Res. Resminostat 22, 2011; 789�C801 doi: 10.1111/j.1600-0501.2010.02041.x ""Objectives: The aim of the present study was to test whether or not immediately loaded implants exhibit the same survival rates as early loaded implants. Material and methods: Eleven patients with bilateral free end mandibles were randomly assigned to treatment either with immediately (test) or early loaded implants (control). Test implants received provisionals in occlusion on the day of surgery, control implants 6 weeks later. Parameters assessed included implant stability quotient (ISQ), plaque, prosthesis stability and radiographs at baseline (implant insertion), 1 and 3 years. The statistical analysis was performed by means of Student's paired t-test and Wilcoxon's signed-rank test. The level of significance was set at PBaf-A1 with 100% for control implants. At baseline, the mean marginal bone level was significantly higher at test implants (mean=0.36?mm, SD ��0.5) compared with control implants (1.08��0.37?mm). For both test and control implants, the bone level significantly decreased from baseline to 3 years (test: 1.51��0.79?mm; control: 0.89��0.94?mm). The bone loss until 3 years was not significantly different between test and control group. There was no significant difference for ISQ both at test and control implants between baseline (test: 63.59��4.62?mm, control: 65.35��7.43?mm) and 3 years (test: 66.47��7.47?mm, control 68.80��8.75?mm). Conclusions: Immediate loading was associated with a lower implant survival rate. Although the test implants were placed with increased sink depth compared with the control implants, the marginal bone levels were not different between test and control at 3 years. To cite this article: Zembi? A, Glauser R, Khraisat A, H?mmerle CHF. Immediate vs.