OPTIMUM FORCE SYSTEM FOR <i>EN-MASSE</i> RETRACTION OF SIX MAXILLARY ANTERIOR TEETH IN LABIAL ORTHODONTICS

Thote, Abhishek M.; Uddanwadiker, Rashmi; Sharma, Krishna Kumar; Shrivastava, Saurabh; Reddy, Venkateswar

doi:10.1142/s0219519419500660

Cited by 6 publications

(2 citation statements)

References 19 publications

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“…Also it results in downward and backward rotation of maxilla which helps in correcting mild class III malocclusion. Related studies were reviewed [16].…”

Section: Discussionmentioning

confidence: 99%

Comparative Evaluation of the Stress Distribution and Transverse Displacement of the Circummaxillary Sutural System by Four Different Designs of Rapid Maxillary Expansion Appliances Using 3D Finite Element model: A Study Protocol

Lakhe

Jhaveri²,

Nasre

2021

JPRI

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Background: In adolescent patient’s Rapid maxillary skeletal expansion (RME) is used with predictable clinical results for correcting transverse maxillary skeletal contraction. During RME, heavy force is directed towards the maxillary skeletal base. These forces also have effect on the palatal bone, adjacent skeletal structures and dentition. Tooth supported RME apply significant pressure on the teeth leading to varying amount of buccal inclination of premolars and molars and dental expansion. Implant assisted expanders take skeletal anchorage thus minimizing or negating the effect of heavy pressure on the teeth and supporting structures. Finite Element Analysis is a form of computer simulation. It is a non-invasive, precise method for obtaining quantitative and comprehensive knowledge about the physiological responses that occur in tissues. It outperforms other experimental methods because it creates a three-dimensional model that allows for simulation and analysis of orthodontic force systems in all three dimensions. Objective: The present study intends to make an assessment of four different RME designs (Banded HYRAX, Banded MARPE, MSE expander, Orthoeasy PAL expander) in terms of distribution of stress in the circummaxillary Sutural system and resulting displacement of the bones in the craniofacial complex upon activation of the respective appliance. Methodology: CBCT scan data of an adolescent patient will be taken from archives of a reputed scan centre. 3D skull model will be generated using CBCT data and .stl/ DICOM format will be converted into Finite Element model. The different types of RME appliances will be designed over the FE model. The expanders will be activated and the stresses generated at the sites of interest would be studied. Results: The study is expected to permit a clinician to select the design of RME appliances, which will produce suitable stress and displacement that will help to increase transverse width of maxilla to correct the underlying skeletal discrepancy. Conclusion: This study will help to arrive at a conclusion about which designs of RME will best suit clinical application of mechanics for orthopaedic expansion in a particular case.

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“…Also it results in downward and backward rotation of maxilla which helps in correcting mild class III malocclusion. Related studies were reviewed [16].…”

Section: Discussionmentioning

confidence: 99%

Comparative Evaluation of the Stress Distribution and Transverse Displacement of the Circummaxillary Sutural System by Four Different Designs of Rapid Maxillary Expansion Appliances Using 3D Finite Element model: A Study Protocol

Lakhe

Jhaveri²,

Nasre

2021

JPRI

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“…Author Credits: Sakshi Umalkar Source [42] Complications Complications while insertion may include trauma to a periodontal ligament or root tooth due to a change of angle of insertion. There could be damage to the nerve or slippage of mini screw, fracture, nasal and sinus perforation also.…”

Section: Table 2: Benefits and Drawbacks Of Tadsmentioning

confidence: 99%

Modern Anchorage Systems in Orthodontics

Umalkar¹,

Jadhav²,

Paul³

et al. 2022

Cureus

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Anchorage has been a vital topic since the origin of orthodontics. In the orthodontic process, gentle, constant pressure is applied to the teeth that need to be moved against the other teeth, which serve as the anchoring unit. The anchoring teeth must be completely stable. The introduction of temporary anchorage devices to the orthodontic field has made it possible to overcome conventional anchorage and its limitations. Mini implants have widened the horizon of the orthodontic field. Skeletal anchorage has, to a large degree, replaced conventional anchorage in a situation where anchorage is considered either critical, insufficient, or likely to result in undesirable side effects such as vertical displacements generated by intermaxillary force systems. Over the last few years, anchorage control with mini-implants has acquired plenty of significance in the clinical management of orthodontic patients. The mode of anchorage facilitated by these implant systems has a unique characteristic owing to their temporary use, which results in a transient, albeit absolute anchorage. The foregoing properties, together with the recently achieved simple application of these screws, have increased their popularity, establishing them as a necessary treatment option in complex cases that would have otherwise been impossible to treat. This comprehensive review aims to present and discuss the historical view, clinical uses, benefits, and drawbacks of the mini-screw implants used to obtain a temporary anchorage for orthodontic applications. Topics to be discussed include classification, types and properties, types of screw, head, and thread, their clinical applications, sites, and placement method selection.

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Estimation of Orthodontic Force Parameters with Developed Computer Application for En-Masse Retraction of Six Maxillary Anterior Teeth

Thote

Patil

Shrivastava³

2021

Lecture Notes in Mechanical Engineering

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OPTIMUM FORCE SYSTEM FOR EN-MASSE RETRACTION OF SIX MAXILLARY ANTERIOR TEETH IN LABIAL ORTHODONTICS

Cited by 6 publications

References 19 publications

Comparative Evaluation of the Stress Distribution and Transverse Displacement of the Circummaxillary Sutural System by Four Different Designs of Rapid Maxillary Expansion Appliances Using 3D Finite Element model: A Study Protocol

Comparative Evaluation of the Stress Distribution and Transverse Displacement of the Circummaxillary Sutural System by Four Different Designs of Rapid Maxillary Expansion Appliances Using 3D Finite Element model: A Study Protocol

Modern Anchorage Systems in Orthodontics

Estimation of Orthodontic Force Parameters with Developed Computer Application for En-Masse Retraction of Six Maxillary Anterior Teeth

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