SlideShare a Scribd company logo
1 of 39
ឧបមាថាធ្មេញ
Suppose one tooth
ឧបមាថាធ្មេញ
ថាា មតូចទី ២
Suppose one tooth,
second premolar
ឧបមាថាធ្មេញ
ថាា មតូចទី ២
បានវិលពីមុនមក
Suppose one tooth,
second premolar that has
rotated.
ធ្យើងចង់បងវិលវាធ្ោយត្តង់វិញ
We want to de-rotate of
rotated second premolar
ធ្យើងចង់បងវិលវាធ្ោយត្តង់វិញ
ធ្យើងត្បហែលគិតថាអញ្ចឹង
We want to de-rotate of
rotated second premolar
We might be think that
ធ្យើងចង់បងវិលវាធ្ោយត្តង់វិញ
ធ្យើងត្បហែលគិតថាអញ្ចឹង
រឺធ្សេងៗ
ហតទិសធ្ៅកំលំងទាញអញ្ចឹង
រឺធ្សេងៗ
ហតទិសធ្ៅកំលំងទាញអញ្ចឹង
We want to de-rotate of
rotated second premolar
We might be think that
Force direction will be
that
Force direction will be
that
ធ្យើងចង់បងវិលវាធ្ោយត្តង់វិញ
ធ្យើងត្បហែលគិតថាអញ្ចឹង
រឺធ្សេងៗ
ហតទិសធ្ៅកំលំងទាញអញ្ចឹង
រឺធ្សេងៗ
ហតទិសធ្ៅកំលំងទាញអញ្ចឹង
Force direction will be
that
Force direction will be
that
We want to de-rotate of
rotated second premolar
We might be think that
ធ្យើងចង់បងវិលវាធ្ោយត្តង់វិញ
ធ្យើងត្បហែលគិតថាអញ្ចឹង
រឺធ្សេងៗ
ហតទិសធ្ៅកំលំងទាញអញ្ចឹង
រឺធ្សេងៗ
ហតទិសធ្ៅកំលំងទាញអញ្ចឹង
We want to de-rotate of
rotated second premolar
We might be think that
Force direction will be
that
Force direction will be
that
ធ្យើងចង់បងវិលវាធ្ោយត្តង់វិញ
ធ្យើងត្បហែលគិតថាអញ្ចឹង
រឺធ្សេងៗ
ហតទិសធ្ៅកំលំងទាញអញ្ចឹង
(កុំគិតពីកំលំងបត្ចា សសនេតថាអញ្ចឹង)
រឺធ្សេងៗ
ហតទិសធ្ៅកំលំងទាញអញ្ចឹង
(កុំគិតពីកំលំងបត្ចា សសនេតថាអញ្ចឹង)
We want to de-rotate of
rotated second premolar
We might be think that
Force direction will be
that
(example don’t think of
back force or any
anchorage)
Force direction will be
that
(example don’t think of
back force or any
anchorage)
ធ្យើងត្បហែលគិតថាលទធសល
គឺធ្ពញចិតត
រឺធ្សេងៗ
ហតទិសធ្ៅកំលំងទាញអញ្ចឹង
(កុំគិតពីកំលំងបត្ចា សសនេតថាអញ្ចឹង)
រឺធ្សេងៗ
ហតទិសធ្ៅកំលំងទាញអញ្ចឹង
(កុំគិតពីកំលំងបត្ចា សសនេតថាអញ្ចឹង)
We want to de-rotate of
rotated second premolar
We might be think that
Force direction will be
that
(example don’t think of
back force or any
anchorage)
Force direction will be
that
(example don’t think of
back force or any
anchorage)
ធ្យើងត្បហែលគិតថាលទធសល
គឺធ្ពញចិតត
រឺធ្សេងៗ
ហតទិសធ្ៅកំលំងទាញអញ្ចឹង
(កុំគិតពីកំលំងបត្ចា សសនេតថាអញ្ចឹង)
រឺធ្សេងៗ
ហតទិសធ្ៅកំលំងទាញអញ្ចឹង
(កុំគិតពីកំលំងបត្ចា សសនេតថាអញ្ចឹង)
We want to de-rotate of
rotated second premolar
We might be think that
Force direction will be
that
(example don’t think of
back force or any
anchorage)
Force direction will be
that
(example don’t think of
back force or any
anchorage)
រឺធ្សេងៗ
ហតទិសធ្ៅកំលំងទាញអញ្ចឹង
(កុំគិតពីកំលំងបត្ចា សសនេតថាអញ្ចឹង)
ធ្យើងត្បហែលគិតថាលទធសល
គឺធ្ពញចិតត
រឺធ្សេងៗ
ហតទិសធ្ៅកំលំងទាញអញ្ចឹង
(កុំគិតពីកំលំងបត្ចា សសនេតថាអញ្ចឹង)
We want to de-rotate of
rotated second premolar
We might be think that
Force direction will be
that
(example don’t think of
back force or any
anchorage)
Force direction will be
that
(example don’t think of
back force or any
anchorage)
រឺធ្សេងៗ
ហតទិសធ្ៅកំលំងទាញអញ្ចឹង
(កុំគិតពីកំលំងបត្ចា សសនេតថាអញ្ចឹង)
ធ្យើងត្បហែលគិតថាលទធសល
គឺធ្ពញចិតត
រឺធ្សេងៗ
ហតទិសធ្ៅកំលំងទាញអញ្ចឹង
(កុំគិតពីកំលំងបត្ចា សសនេតថាអញ្ចឹង)
We may think that desire
goal
Force direction will be
that
(example don’t think of
back force or any
anchorage)
Force direction will be
that
(example don’t think of
back force or any
anchorage)
រឺធ្សេងៗ
ហតទិសធ្ៅកំលំងទាញអញ្ចឹង
(កុំគិតពីកំលំងបត្ចា សសនេតថាអញ្ចឹង)
ការពិតមិនអញ្ចឹងដូចការ
គិតធ្ោយងាយៗធ្ទ
រឺធ្សេងៗ
ហតទិសធ្ៅកំលំងទាញអញ្ចឹង
(កុំគិតពីកំលំងបត្ចា សសនេតថាអញ្ចឹង)
Please think deeply
before thinking that
Force direction will be
that
(example don’t think of
back force or any
anchorage)
Force direction will be
that
(example don’t think of
back force or any
anchorage)
រឺធ្សេងៗ
ហតទិសធ្ៅកំលំងទាញអញ្ចឹង
(កុំគិតពីកំលំងបត្ចា សសនេតថាអញ្ចឹង)
ការពិតមិនអញ្ចឹងដូចការ
គិតធ្ោយងាយៗធ្ទ
រឺធ្សេងៗ
ហតទិសធ្ៅកំលំងទាញអញ្ចឹង
(កុំគិតពីកំលំងបត្ចា សសនេតថាអញ្ចឹង)
Please think deeply
before thinking that
Force direction will be
that
(example don’t think of
back force or any
anchorage)
Force direction will be
that
(example don’t think of
back force or any
anchorage)
នឹងគឺមិនហមន couple ធ្ទ
That is not couple or
coupling in orthodontics
នឹងគឺមិនហមន couple ធ្ទ
ធ្ត្ចោះ
That is not couple or
coupling in orthodontics
because
នឹងគឺមិនហមន couple ធ្ទ
ធ្ត្ចោះ
That is not couple or
coupling in orthodontics
នឹងគឺមិនហមន couple ធ្ទ
ធ្ត្ចោះ
កំលំងមិនត្សបគ្នា សង That is not couple or
coupling in orthodontics
Line direction of opposite
force not parallel each
other
នឹងគឺមិនហមន couple ធ្ទ
ធ្ត្ចោះ
កំលំងមិនត្សបគ្នា សង
Line direction of opposite
force not parallel each
other
That is not couple or
coupling in orthodontics
couple គឺមិនោចធ្កើត
ធ្ ើងបានធ្ទគឺវាជាការទាញ
មមេតាធ្ទ
កំលំងមិនត្សបគ្នា សង
That is not couple or
coupling in orthodontics,
just force of pulling
complexly
Line direction of opposite
force not parallel each
other
ធ្យើងចង់បានcouple គឺ
ធ្ដើមបីបងវិលធ្មេញធ្ោយត្តង់
កំលំងមិនត្សបគ្នា សង
We want couple but
cannot get it.
Line direction of opposite
force not parallel each
other
ធ្យើងចង់បានcouple គឺ
ធ្ដើមបីបងវិលធ្មេញធ្ោយត្តង់
កំលំងមិនត្សបគ្នា សង
និយាយធ្ោយចំគឺរធ្ញ៉េរញញ៉េ
We want couple but
cannot get it.
Line direction of opposite
force not parallel each
other
Cannot understand or
control the force direction
ធ្យើងចង់បានcouple គឺ
ធ្ដើមបីបងវិលធ្មេញធ្ោយត្តង់
កំលំងមិនត្សបគ្នា សង
ជួនកាលត្តង់ធ្ោយ
មិនដឹងពីធ្មកានិច
We want couple but
cannot get it.
Line direction of opposite
force not parallel each
other
Cannot understand or
control the force direction
ធ្បើធ្យើងចង់បានcouple គឺ
១. ទិសធ្ៅកំលំងនិងចំនួនកំលំងទាំងពីរត្សបគ្នា និងធ្សេើរគ្នា
កំលំងមិនត្សបគ្នា សង
We want couple but
cannot get it.
Line direction of opposite
force not parallel each
other
ជួនកាលត្តង់ធ្ោយ
មិនដឹងពីធ្មកានិច
Cannot understand or
control the force direction
ធ្បើធ្យើងចង់បានcouple គឺ
១. ទិសធ្ៅកំលំងនិងចំនួនកំលំងទាំងពីរត្សបគ្នា និងធ្សេើរគ្នា
២.​
Center of rotation ធ្ៅចំកណ្ត
ត លធ្មេញ
កំលំងមិនត្សបគ្នា សង
Couple
1. Force and direction of
force line must be
parallel and same
force.
2. Center of rotation is at
the middle of tooth.
Line direction of opposite
force not parallel each
other
ជួនកាលត្តង់ធ្ោយ
មិនដឹងពីធ្មកានិច
Cannot understand or
control the force direction
ធ្បើធ្យើងចង់បានcouple គឺ
១. ទិសធ្ៅកំលំងនិងចំនួនកំលំងទាំងពីរត្សបគ្នា និងធ្សេើរគ្នា
២.​
Center of rotation ធ្ៅចំកណ្ត
ត លធ្មេញ
Couple
1. Force and direction of
force line must be
parallel and same
force.
2. Center of rotation is at
the middle of tooth.
ធ្បើធ្យើងចង់បានcouple គឺ
១. ទិសធ្ៅកំលំងនិងចំនួនកំលំងទាំងពីរត្សបគ្នា និងធ្សេើរគ្នា
២.​
Center of rotation ធ្ៅចំកណ្ត
ត លធ្មេញ
Couple
1. Force and direction of
force line must be
parallel and same
force.
2. Center of rotation is at
the middle of tooth.
ធ្បើធ្យើងចង់បានcouple គឺ
១. ទិសធ្ៅកំលំងនិងចំនួនកំលំងទាំងពីរត្សបគ្នា និងធ្សេើរគ្នា
២.​
Center of rotation ធ្ៅចំកណ្ត
ត លធ្មេញ
Couple
1. Force and direction of
force line must be
parallel and same
force.
2. Center of rotation is at
the middle of tooth.
ធ្បើធ្យើងចង់បានcouple គឺ
១. ទិសធ្ៅកំលំងនិងចំនួនកំលំងទាំងពីរត្សបគ្នា និងធ្សេើរគ្នា
២.​
Center of rotation ធ្ៅចំកណ្ត
ត លធ្មេញ
Couple
1. Force and direction of
force line must be
parallel and same
force.
2. Center of rotation is at
the middle of tooth.
ធ្បើធ្យើងចង់បានcouple គឺ
១. ទិសធ្ៅកំលំងនិងចំនួនកំលំងទាំងពីរត្សបគ្នា និងធ្សេើរគ្នា
២.​
Center of rotation ធ្ៅចំកណ្ត
ត លធ្មេញ
CR
Couple
1. Force and direction of
force line must be
parallel and same
force.
2. Center of rotation is at
the middle of tooth.
ធ្បើធ្យើងចង់បានcouple គឺ
១. ទិសធ្ៅកំលំងនិងចំនួនកំលំងទាំងពីរត្សបគ្នា និងធ្សេើរគ្នា
២.​
Center of rotation ធ្ៅចំកណ្ត
ត លធ្មេញ
CR
Couple
1. Force and direction of
force line must be
parallel and same
force.
2. Center of rotation is at
the middle of tooth.
ធ្បើធ្យើងចង់បានcouple គឺ
១. ទិសធ្ៅកំលំងនិងចំនួនកំលំងទាំងពីរត្សបគ្នា និងធ្សេើរគ្នា
២.​
Center of rotation ធ្ៅចំកណ្ត
ត លធ្មេញ
CR
Couple
1. Force and direction of
force line must be
parallel and same
force.
2. Center of rotation is at
the middle of tooth.
ធ្បើធ្យើងចង់បានcouple គឺ
១. ទិសធ្ៅកំលំងនិងចំនួនកំលំងទាំងពីរត្សបគ្នា និងធ្សេើរគ្នា
២.​
Center of rotation ធ្ៅចំកណ្ត
ត លធ្មេញ
CR
Couple
1. Force and direction of
force line must be
parallel and same
force.
2. Center of rotation is at
the middle of tooth.
ធ្បើធ្យើងចង់បានcouple គឺ
១. ទិសធ្ៅកំលំងនិងចំនួនកំលំងទាំងពីរត្សបគ្នា និងធ្សេើរគ្នា
២.​
Center of rotation ធ្ៅចំកណ្ត
ត លធ្មេញ
CR
Couple
1. Force and direction of
force line must be
parallel and same
force.
2. Center of rotation is at
the middle of tooth.
ធ្បើធ្យើងចង់បានcouple គឺ
១. ទិសធ្ៅកំលំងនិងចំនួនកំលំងទាំងពីរត្សបគ្នា និងធ្សេើរគ្នា
២.​
Center of rotation ធ្ៅចំកណ្ត
ត លធ្មេញ
CR
Couple
1. Force and direction of
force line must be
parallel and same
force.
2. Center of rotation is at
the middle of tooth.
ធ្បើធ្យើងចង់បានcouple គឺ
១. ទិសធ្ៅកំលំងនិងចំនួនកំលំងទាំងពីរត្សបគ្នា និងធ្សេើរគ្នា
២.​
Center of rotation ធ្ៅចំកណ្ត
ត លធ្មេញ
CR
ទាញតាមមធ្មោបាយធ្សេងៗ
ទាញតាមមធ្មោបាយធ្សេងៗ
Couple
1. Force and direction of
force line must be
parallel and same
force.
2. Center of rotation is at
the middle of tooth.
Any way to do
Any way to do
សំនួរធ្តើធ្យើងចង់បាន couple
រឺ ទាញយកៗ?
CR
ទាញតាមមធ្មោបាយធ្សេងៗ
ទាញតាមមធ្មោបាយធ្សេងៗ
Question: Do you want
couple or just pushing
without controlling force?
Any way to do
Any way to do
សំនួរធ្តើធ្យើងចង់បាន couple
រឺ ទាញយកៗ?
CR
រឺធ្មវើធ្ម៉េចក៏បានធ្ោយហតមិនមាន side effect
Question: Do you want
couple or just pushing
without controlling force?
Any way to do without or
less side effect.

More Related Content

More from Chhom Karath

arch form KORI copy.pptx
arch form KORI copy.pptxarch form KORI copy.pptx
arch form KORI copy.pptxChhom Karath
 
ច្បាប់ញូតុនទី៣
ច្បាប់ញូតុនទី៣ច្បាប់ញូតុនទី៣
ច្បាប់ញូតុនទី៣Chhom Karath
 
Maxillary arch form
Maxillary arch formMaxillary arch form
Maxillary arch formChhom Karath
 
Front face analysis
Front face analysisFront face analysis
Front face analysisChhom Karath
 
Lateral profile measurement
Lateral profile measurementLateral profile measurement
Lateral profile measurementChhom Karath
 
Occlusal view study
Occlusal view studyOcclusal view study
Occlusal view studyChhom Karath
 
Torque 1 in orthodontics
Torque 1 in orthodonticsTorque 1 in orthodontics
Torque 1 in orthodonticsChhom Karath
 
អ័ក្សធ្មេញលើ Maxillary arch form making
អ័ក្សធ្មេញលើ Maxillary arch form making អ័ក្សធ្មេញលើ Maxillary arch form making
អ័ក្សធ្មេញលើ Maxillary arch form making Chhom Karath
 
Upper canine evaluation score
Upper canine evaluation scoreUpper canine evaluation score
Upper canine evaluation scoreChhom Karath
 
Arch form kori copy
Arch form kori copyArch form kori copy
Arch form kori copyChhom Karath
 
Spacing and primary teeth
Spacing and primary teethSpacing and primary teeth
Spacing and primary teethChhom Karath
 

More from Chhom Karath (20)

bracket size.pptx
bracket size.pptxbracket size.pptx
bracket size.pptx
 
arch form KORI copy.pptx
arch form KORI copy.pptxarch form KORI copy.pptx
arch form KORI copy.pptx
 
Bracket size
Bracket sizeBracket size
Bracket size
 
ច្បាប់ញូតុនទី៣
ច្បាប់ញូតុនទី៣ច្បាប់ញូតុនទី៣
ច្បាប់ញូតុនទី៣
 
Game1
Game1Game1
Game1
 
Shoe horn loop
Shoe horn loopShoe horn loop
Shoe horn loop
 
Opus loop
Opus loopOpus loop
Opus loop
 
V bend
V bendV bend
V bend
 
Closing loop
Closing loopClosing loop
Closing loop
 
Maxillary arch form
Maxillary arch formMaxillary arch form
Maxillary arch form
 
Front face analysis
Front face analysisFront face analysis
Front face analysis
 
Lateral profile measurement
Lateral profile measurementLateral profile measurement
Lateral profile measurement
 
Occlusal view study
Occlusal view studyOcclusal view study
Occlusal view study
 
Micro esthetic
Micro estheticMicro esthetic
Micro esthetic
 
Torque 1 in orthodontics
Torque 1 in orthodonticsTorque 1 in orthodontics
Torque 1 in orthodontics
 
អ័ក្សធ្មេញលើ Maxillary arch form making
អ័ក្សធ្មេញលើ Maxillary arch form making អ័ក្សធ្មេញលើ Maxillary arch form making
អ័ក្សធ្មេញលើ Maxillary arch form making
 
Upper canine evaluation score
Upper canine evaluation scoreUpper canine evaluation score
Upper canine evaluation score
 
Arch form kori copy
Arch form kori copyArch form kori copy
Arch form kori copy
 
Spacing and primary teeth
Spacing and primary teethSpacing and primary teeth
Spacing and primary teeth
 
Tweed occlusion
Tweed occlusionTweed occlusion
Tweed occlusion
 

Couple