izvorni znanstveni rad
Dental implants are used as a substitute for dental trauma. In order to eliminate the human factor during the manual placement of the implant a system of dental guides was developed. Dental guides are positioned on the patient anatomy to provide assistance in drilling and cutting operations of a surgeon. While in use guides can be unstable on the anatomy, so to preoperatively analyze stability of these guides a mathematical model is used to asses stability while designing the guide. Main hypothesis in this study is that there is no significant difference in stability scores between lateral parts of the dental arch. In total, ten 3D scanned dental castings were prepared and used to calculate stability scores between “left” and “right” part of the dental arch. Stability scores for left part (MT=1, 46 ± 0, 07 ; MR= 3, 6 ± 0, 31) and right part (MT=1, 47 ± 0, 09 ; MR= 3, 7 ± 0, 37) are very similar in stability scores. MT is a parameter of translational stability, and MR of rotational stability. Hypothesis was tested using two tailed t-test (α=0.01) which confirmed the main hypothesis, that there is no significant difference in stability scores between lateral sides of dental arch.
dental guides, stability, dental arch
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