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盧宏杰 – 講題摘要

 

 

 

 

盧宏杰 理事長 President Hung Chieh Lu (Taiwan)

‧ 美國紐約大學植牙及牙周病專科醫師
‧ 台灣世界臨床雷射醫學會理事長
‧ 台北市牙科植體學會副祕書長
‧ 中華民國骨鬆協會監事
‧ 美容植牙醫學會理事

 

Topic :

Fast and comfortable orthodontic treatment made possible

 

Abstract :

The most discomfort portion of orthodontic treatment is long-term therapy period which accompanied by sore teeth and cleaning difficulty. How to shorten the treatment time and reduce the discomfort is a matter of great interest to dentists and patients. Current research methods include local injection of drugs, corticotomies, vibration, LED and laser irradiation. All of the above treatments shorten the treatment time through regulating the physiological metabolism of bone tissue. Bones tissue is consistently under the dynamic balance between destruction of osteoclast and regeneration of osteoblast. When a force is applied to the teeth, the blood vessels in the PDL in the pressure side are crushed, leading to ischemia, and the damaged cells release prostaglandins, which in turn initiates inflammation. The mechanism of inflammation turns to activate osteoclasts and bone absorption. On the contrary, the side that is pulled away from bone will stimulate new bone formation. In this way, the bones in front of the roots are absorbed, and the bones behind the roots are generated which causes tooth movement.

Laser irradiation can accelerate the metabolism of bone tissue and shorten the treatment time which in comparing with other methods is simpler, cheaper, and more effective way. More than that, laser irradiation also reduce the soreness of teeth movement.

矯正治療最令病人感到舒服的莫過於漫長的療程,伴隨牙齒酸軟、清潔不易等種種不適。如何縮短治療時間、減低牙齒酸軟不適是醫生、病人都很感興趣的事。目前研究中的方法包括局部注射藥物、corticotomies、雷射光活化,這些無不是應用到骨頭組織的生理代謝而加以調節,正常的骨頭每天不斷地有破骨細胞進行骨吸收,同時不斷地有纖維母細胞及骨母細胞分泌、堆積新骨質。破壞、生成之間達到一個動態的平衡。當外力施加於牙齒,牙根周圍組織受力遭到壓擠,PDL帶裏面的血管被壓扁,造成血流供應受阻,組織缺氧,受損的細胞在缺氧狀態下釋放前列腺素,啓動發炎機轉造成破骨細胞的活化與骨頭吸收。而受到拉扯的那一面則會產生骨質的新生。如此,在牙根前面骨頭吸收,在牙根後面骨頭堆積的結果就造成牙齒移動,雷射活化治療能夠加速骨頭組織的代謝縮短治療時間是省錢、簡單輕鬆,減少疼痛的有效方法。