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Quintessence Publishing: Journals: ORTHODONTICS
ORTHODONTICS
The Art and Practice of Dentofacial Enhancement

Formerly World Journal of Orthodontics

Edited by
Rafi Romano, DMD, MSc (Editor-in-Chief)

ISSN 2160-2999 (print) / ISSN 2160-3006 (online)

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Publication:
Spring 2002
Volume 3 , Issue 1

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Bilateral Maxillary Molar Distalization with Sliding Mechanics: Keles Slider

Ahmet Keles, DDS, DMS, Binnur Pamukcu, DDS, Ebru Cetinkaya Tokmak, DDS

Pages: 5766

Aim: To introduce a new intraoral appliance for molar distalization and to investigate its effect on distal tipping of Class II maxillary first molars and patient cooperation. Method: Two adolescent patients with Class II, Division 1 malocclusions were selected for study. The treatment plan for both subjects required molar distalization for correction of malocclusion. In one patient, the maxillary second molars were extracted for molar distalization. In the other patient, the maxillary third molars were extracted for molar distalization. A newly developed intraoral appliance was used for molar distalization. The Keles Slider is composed of two premolar and two molar bands, and the anchorage unit is composed of a wide Nance button. This appliance does not incorporate headgear or elastics, and it is not removable. To achieve bodily distal movement, the point of distal force application was carried toward the center of resistance of the maxillary first molar on the palatal side. Nickel titanium coil springs were used, and 200 g of distal force was applied to the Class II first molars. Results: Class II molars distalized bodily. There was minimal anchorage loss on premolars and little incisor proclination; however, during the 2-month stabilization period with the Nance button, the premolars drifted distally with the help of transeptal fibers. Conclusion: Unlike most other molar distalization mechanics, this device achieved parallel distal movement of the first molars. Distalization occurred more rapidly, and with less anchorage loss, in the patient with second molar extraction, when compared with the patient with third molar extraction. World J Orthod 2002;3:5766.

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