Patent
Maxillary skeletal expender for orthodontics and orthodontics method
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TLDR
In this paper, a mandibular arch expander and an orthodontics method are described, where a pair of divided expander bodies are disposed at the center of the upper mandibula or the lower mandibulo-arc of the treatment target, and opened or closed in left and right directions.Abstract:
Disclosed are a mandibular arch expander and an orthodontics method. The mandibular arch expander comprises: a pair of divided expander bodies disposed at the center of the upper mandibular arch or the lower mandibular arch of an orthodontics treatment target, and opened or closed in left and right directions; a main expansion unit for connecting the pair of expander bodies and adjusting the horizontal length of the pair of expander bodies; a pressing arm, of which one end portions are respectively fixed to the pair of expander bodies and the other end portions respectively extend toward teeth at both sides so as to face the teeth, pressing the teeth at both sides of the mandibular arch while being opened together with the expander bodies by the main expansion unit; and an auxiliary expansion member of which one end portion is fixed to each of the pair of expander bodies and the other end portion respectively extends toward a front tooth portion of the mandibular arch and faces the inner surface of the front tooth portion so as to provide stress spreading toward the front side of the front teeth.read more
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Maxillary skeletal expander
Lee Yeo Seob,Lim Sung Hoon +1 more
TL;DR: A maxillary skeletal expander is composed of a pair of dental arch expansion bodies positioned to face each other in an oral cavity; an expanding screw provided between the pair of DAs to move the DAs without deviation; a DAs expansion body combining means having a fixing piece for penetrating a fixing hole at a selected part in the oral cavity as discussed by the authors.
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Patent
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TL;DR: In this paper, an orthodontic appliance including labial and lingual bodies having teeth-contacting surfaces for acting against targeted anterior teeth of a patient and associated labial-and lingual components incorporating spring-loaded biasing means for causing the labial body to act in generally opposed directions and in unison against the surfaces of the targeted anterior tooth.
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