Treatment of open bite with microscrew implant anchorage

Park, Hyo‐Sang; Kwon, Tae-Geon; Kwon, Oh-Won

doi:10.1016/j.ajodo.2003.07.019

Cited by 167 publications

(147 citation statements)

References 8 publications

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“…This finding correlated with studies done by Hyo-Sang Park, Madhur Upadhyay where along with a retraction, 2mm of intrusion was also seen [5,19].…”

Section: Discussionsupporting

confidence: 80%

“…Here tipping occurred because point of force application was below the center of resistance [5,25,26]. Here amount of tipping is less when compared to force from molar hook.…”

Section: Discussionmentioning

confidence: 99%

“…Here tipping occurred because the point of force application was below the center of resistance. The center of resistance of the six anterior teeth was estimated to be halfway\between the center of resistance of the four incisors and canines(red dot in figure) [5,14,20] as told by Melsen, Hyo-Sang Park and others i.e. 13.5 mm apical and 14.0mm posterior to the incisal edge of the upper central incisor.…”

Section: Discussionmentioning

confidence: 99%

“…Reinforcement of anchorage can be done by including as many teeth as possible to the anchor unit [5]. Other methods of reinforcing anchorage are: use of Interarch elastics, Transpalatal arch, Nance holding appliance, headgear with one pound pressure per side or at least 128gm on each side for 16-18 hours every day [6,7], muscular forces, cortical anchorage, use of torque, etc.…”

Section: Introductionmentioning

confidence: 99%

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En-masse Retraction of the Maxillary Anterior Teeth by Applying Force from Four Different Levels – A Finite Element Study

Keluskar

Revankar³

2014

JCDR

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Objective: To find out if it is possible to control maxillary anterior teeth in sagittal and vertical plane during retraction by altering the vertical levels of force application in the posterior region, i.e. identifying the type of movement of the maxillary anterior teeth which occurs when force would be applied from four different levels i.e. High, Medium, and Low pull Implants and from a conventional Molar hook and also to quantify the retraction and intrusion components of force thus setting a guideline for the implant height placement. Materials and Methods:A Finite Element Model of maxillary dentition along with alveolar bone, brackets and wire was developed with defined material properties. The model was analysed to calculate the displacement when force was applied from different levels.Results: From all points of force application, anterior teeth tipped lingually in the sagittal plane, whereas in the vertical plane extrusion was seen when retracted from molar hook and intrusion was seen when retracted from implants. For every mm of apical displacement of implant, the retraction component of force reduces approximately by around 1% and intrusion component of force increases approximately by around 0.3%. Conclusion:Based on the results of this study we can reckon that by changing the position of implant in vertical plane one will have very little effect on the type of tooth movement. As the point of force application moves apically, type of tooth movement in the sagittal plane remained almost constant and in vertical plane intrusion is slightly increased.

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“…This finding correlated with studies done by Hyo-Sang Park, Madhur Upadhyay where along with a retraction, 2mm of intrusion was also seen [5,19].…”

Section: Discussionsupporting

confidence: 80%

“…Here tipping occurred because point of force application was below the center of resistance [5,25,26]. Here amount of tipping is less when compared to force from molar hook.…”

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

En-masse Retraction of the Maxillary Anterior Teeth by Applying Force from Four Different Levels – A Finite Element Study

Keluskar

Revankar³

2014

JCDR

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“…The P2 1 and P2 2 change value in Group A indicated that there was only a mild intrusion of incisors because the point of force application is more apical to the centre of resistance than with conventional mechanics [5,9]. On the contrary, P2 1 …”

Section: Discussionmentioning

confidence: 99%

Effectiveness of Mini Implants in Three-Dimensional Control during Retraction - A Clinical Study

Victor

Prabhakar

Karthikeyan

et al. 2014

JCDR

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Introduction: Three-dimensional control throughout the orthodontic treatment is essential for uncompromised results. Mini screws introduced for orthodontic anchorage has given the clinician an option of absolute three dimensional control. The purpose of this study was to compare and measure the vertical control and torque control of incisors and molar during enmass retraction with titanium microimplants and conventional molar anchorage.

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Implant Orthodontics: An Interactive Approach to Skeletal Anchorage

Park¹

2012

Integrated Clinical Orthodontics

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Treatment of open bite with microscrew implant anchorage

Cited by 167 publications

References 8 publications

En-masse Retraction of the Maxillary Anterior Teeth by Applying Force from Four Different Levels – A Finite Element Study

En-masse Retraction of the Maxillary Anterior Teeth by Applying Force from Four Different Levels – A Finite Element Study

Effectiveness of Mini Implants in Three-Dimensional Control during Retraction - A Clinical Study

Implant Orthodontics: An Interactive Approach to Skeletal Anchorage

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