DETERMINATION OF THE MOST APPROPRIATE STRESS DISTRIBUTION BY FINITE ELEMENT ANALYSIS IN FIXATION WITH RESORBABLE SCREWS AFTER BILATERAL SAGITTAL SPLIT RAMUS OSTEOTOMY SURGERY

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SARKARAT F.; BOHLULI B.; ANSARI SH.; SHAHABI H.

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Journal: Journal of Dental Medicine Year:2009 | Volume:22 | Issue:3 (60) Page(s): 78-85

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Title

DETERMINATION OF THE MOST APPROPRIATE STRESS DISTRIBUTION BY FINITE ELEMENT ANALYSIS IN FIXATION WITH RESORBABLE SCREWS AFTER BILATERAL SAGITTAL SPLIT RAMUS OSTEOTOMY SURGERY

Author(s)

SARKARAT F. | BOHLULI B. | ANSARI SH. | SHAHABI H. | Issue Writer Certificate

Keywords

FIXATIONQ3

FINITE ELEMENT ANALYSISQ3

STRESSQ3

STABILITYQ3

RESORB ABLEQ3

RAMUSQ3

Abstract

Background and Aim: Due to the complications associated with FIXATION by Titanium screws and plates in Bilateral Sagittal Split RAMUS Osteotomy (BSSRO) surgery, the use of RESORB ABLE polymers has been increasingly recommended. Since there are not enough studies on this issue, this study aimed to assess the most appropriate STRESS distribution in FIXATION with RESORB ABLE screws after BSSRO surgery by FINITE ELEMENT ANALYSIS (FEA).Materials and Methods: This experimental study was performed on simulated human mandible using Ansys and Catia softwares. The osteotomy line was applied to the simulated model and experimental loads of 75, 135 and 600 N were respectively exerted according to the natural direction of occlusal force. The distribution pattern of STRESS was assessed and compared for FIXATION with one RESORB ABLE screw, two RESORB ABLE screws in vertical pattern, two RESORB ABLE screws in horizontal pattern, three RESORB ABLE screws in L pattern and three RESORB ABLE screws in inverted backward L pattern using Ansys software. Results: Among the four simulated FIXATIONs, L pattern showed the highest primary STABILITY. Two screws in vertical pattern were also associated with sufficient primary STABILITY and less trauma and cost for patients. One screw did not provide enough STABILITY under 600 N.Conclusion: Polymer-based RESORB ABLE screws (polyglycolic acid and D, L polylactide acid) provided satisfactory primary STABILITY in BSSRO surgery.

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APA: Copy

SARKARAT, F., BOHLULI, B., ANSARI, SH., & SHAHABI, H.. (2009). DETERMINATION OF THE MOST APPROPRIATE STRESS DISTRIBUTION BY FINITE ELEMENT ANALYSIS IN FIXATION WITH RESORBABLE SCREWS AFTER BILATERAL SAGITTAL SPLIT RAMUS OSTEOTOMY SURGERY. JOURNAL OF DENTAL MEDICINE, 22(3 (60)), 78-85. SID. https://sid.ir/paper/25670/en

Vancouver: Copy

SARKARAT F., BOHLULI B., ANSARI SH., SHAHABI H.. DETERMINATION OF THE MOST APPROPRIATE STRESS DISTRIBUTION BY FINITE ELEMENT ANALYSIS IN FIXATION WITH RESORBABLE SCREWS AFTER BILATERAL SAGITTAL SPLIT RAMUS OSTEOTOMY SURGERY. JOURNAL OF DENTAL MEDICINE[Internet]. 2009;22(3 (60)):78-85. Available from: https://sid.ir/paper/25670/en

IEEE: Copy

F. SARKARAT, B. BOHLULI, SH. ANSARI, and H. SHAHABI, “DETERMINATION OF THE MOST APPROPRIATE STRESS DISTRIBUTION BY FINITE ELEMENT ANALYSIS IN FIXATION WITH RESORBABLE SCREWS AFTER BILATERAL SAGITTAL SPLIT RAMUS OSTEOTOMY SURGERY,” JOURNAL OF DENTAL MEDICINE, vol. 22, no. 3 (60), pp. 78–85, 2009, [Online]. Available: https://sid.ir/paper/25670/en

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