崇愛牙醫診所(資料重建中,歡迎新舊朋友)

咬起來像咬兩塊冰塊一樣,藉由70度角的板面,可以激發顎骨的生長,讓牙列進一步得到改造的效果

(In function, these two appliances interlock at the 70 degree angle set into the bite blocks and posture the mandible forward into the ideal Class I position preset by your wax registration.)



Twin   block（雙板）矯治器是Dr.Clark教授於1982年發明的一種改良肌激動器。

★Twin
block的特點：將頜墊、口外力、夜間牽引力、功能矯形力巧妙地結合在一起，具有製作簡單，病人戴用方便、不影響咀嚼進食、適應症廣、療效快等特點

★矯治原理：Twin
block矯治器是通過上、下頜矯正器咬合斜面的頜間鎖結，使下頜功能性前移，前傾面相互交錯，改變自然牙列中承受頜力的頜斜面方向，使產生有利於下頜前移方向的頜力。牙列傳遞頜力產生持續性自動刺激，從而使骨改建和影響生長速度，由於下頜的前下移位，增大了口腔內空間，使舌體脫離了上、下唇的接觸，利於建立正常的口腔封閉，以便行使正常咀嚼和吞嚥功能。

★Twin
block矯治器的適應症：
Ⅱ類錯頜，下頜後縮，伴有或不伴有上頜前突；
Ⅱ類錯頜，伴有或不伴有垂直生長不調；
Ⅲ類錯頜，面部不對稱畸形等。

可以治療以下的錯咬(malocclusions):

 Class II Division I; Class II Division 2; Class I open bites; Class I closed bites; Class III; Lateral arch constriction and anterior/posterior arch length discrepancies.

The Twin Block can also be used effectively in TMJ therapy.(改善TMJ問題)

螺旋擴弓器(在上顎)

螺旋擴弓器主要是作為一種整形的裝置，用來擴大顎中縫，從而促進上頜骨橫向發育。隨著發展，出現系列化趨勢，可針對不同病例實施具體的設計製作。

★適應症：

1、對上頜寬度發育不足的後牙反頜，通過擴大顎中縫，可加速上頜的橫向發育。解除後牙反頜。

2、獲得間隙，由於可以擴大上下頜骨寬度，因此也可相應增加上下牙弓寬度，進而獲得間隙有利於解除擁擠。

3、推磨牙向後，和關閉間隙。並可以推上頜骨向前。

The Twin Block is primarily used in Phase I treatment to correct the bite (open or deep), reposition the lower jaw, increase arch development and/or expand, depending upon your diagnosis.

The Twin Block uses the forces of occlusion (how the upper and lower jaw come together) to either open or close
the bite depending on the design.

With the Twin Block, 24 hour wear is recommended for optimal results (整天戴用)and should not interfere with normal movements of the tongue, lips and lower jaw even though your teeth will not be touching.

The Twin Block should only be removed to eat and brush(吃東西與刷牙時除去). Care of the Twin Block should consist of brushing
the upper and lower appliance every time you brush your teeth and a denture cleaner should be used a minimum of 3 times a week.

 If expansion is required you will receive a key which will be turned at home _1___ time every _7__ days by an
adult. (有加裝擴大器時,每周調一次1/4轉)

There will be an adjustment period and speech may be affected for a short period of time(調整期的時候說話會受影響). Make sure
that you follow the instructions given to you on how to remove and replace your Twin Block to ensure that it is properly placed and seated every time. It is important to make sure that you bring it to every appointment(每次回診必需戴回檢查)

The Twin Block appliance is used to help a receded jaw grow forward and skinny or narrow jaws grow wider to help you keep
all of your permanent teeth.(使生長過小的顎骨向前,使過窄的顎骨擴大,讓永久牙的牙列保持更好更穩定)

 If you have an overbite (buck teeth)(深咬), it's usually caused by your lower jaw not growing out enough; on the other hand,
crowded teeth most frequently mean that your jaw did not grow wide enough. These are the cases in which the orthodontist may recommend a Twin Block - sometimes adding a few braces and wires to help give your appliance a head start.(TWIN BLOCK是一項功能性矯正器,可以促進顎骨的生長發育,有時伴隨固定矯正器的操作,也可以得到好的療效)

 這是教科書