Abstract: A method may include identifying a jaw position of a misaligned jaw of a patient from the virtual image of the patient's jaw and providing a treatment plan. The treatment plan may include tooth repositioning forces and jaw repositioning forces. The method may also include virtually modeling application of jaw repositioning forces between a first repositioning jaw element and a second repositioning jaw element to obtain a virtual model of the application of the jaw repositioning forces on the virtual model of the patient's jaw, identifying one or more constraints limiting the application of the jaw repositioning forces to the misaligned jaw, and adjusting the first repositioning jaw element and the second repositioning jaw element to accommodate the one or more constraints.

Abstract: An orthodontic apparatus (1; 10) is designed with at least one orthodontically effective element (4; 12) and at least one holding element (5; 13) for holding the apparatus (1; 10) on the jaw, whereby the apparatus (1; 10) is designed in one piece. In a method for producing an orthodontic apparatus, an electronic data set is produced for a three-dimensional model (2) of a jaw to which the apparatus is supposed to be attached. Further, a virtual positioning of one or more orthodontic elements (4; 12) of the apparatus on jaw model (2) takes place. An electronic data set of a three-dimensional model (3; 11) of the apparatus is subsequently produced. The apparatus (1; 10) is then produced by an additive and/or removal production method according to the data set of the apparatus model.

Abstract: A dental apparatus may include a removable orthodontic appliance having a buccal side and a lingual side and may include tooth cavities shaped to reposition one or more teeth of a patient. The dental appliance may also include a repositioning jaw element extending from the buccal or lingual side of the removable orthodontic appliance and a reinforcement member formed along at least one of a lingual side surface or a buccal side surface to reinforce the repositioning jaw element. The reinforcement member may include a channel extending in a gingival-occlusal direction across an occlusal surface of the tooth apertures of the shell. The channel may be open to an interior cavity of the repositioning jaw element.

Abstract: A helical distractor, including: a distractor body having an open tubular shape including: a fixed footplate attached to a first end of the distractor body; first and second body edges; first and second key grooves in the first and second body edges, respectively; and an end cap at a second end of the distractor body; a movable foot including: body threads; a first key configured to engage the first key groove; a second key configured to engage the second key groove; and a movable footplate; an advancement screw with a threaded portion inside the distraction body, wherein the threaded portion is configured to engage the body threads of the movable foot, wherein the movable foot moves along the distractor body when the advancement screw is rotated, and wherein the distractor body is configured to cause the movable foot to rotate as it moves along the distractor body.

Abstract: An implant plate device comprises a plate base body, further comprises at least one fixing recess, which is introduced in the plate base body and is configured for receiving a jawbone screw that is configured, for a fixation of the plate base body, to be screwed through the fixing recess into a bone, in particular a jawbone, and comprises at least one inner thread adjoining the fixing recess, wherein the implant plate device comprises at least one functional recess, introduced in the plate base body, for a coupling with an orthodontic treatment apparatus and/or with a drilling and/or insertion templet.

Abstract: The present invention discloses a method of producing an orthodontic transpalatal arch having multiproperties. The present invention provides the transpalatal arch which is easy to prepare without the need of laboratory, cast, and impression.

Abstract: Aligner systems and methods including a sequence of aligners having energy-delivering elements. For example, first and second aligners of the sequence of aligners may include first and second polymer shells that have shapes for applying respective first and second local forces to first and second regions of a dental arch to move one or more first teeth and one or more second teeth, respectively. The first and second aligners may also include corresponding first and second heating elements that are arranged to heat first and second target regions of the dental arch associated with moving the one or more first teeth and one or more second teeth, respectively. Heat energy from the first and second heating elements may improve an outcome of respective first and second stages of a treatment plan.

Abstract: An apparatus for providing tongue stabilization during oral appliance therapy. The tongue stabilization apparatus is configured to hold a user's tongue in place or prohibit it from dropping back posteriorly, thereby stabilizing the user's tongue in a non-obstructive position through sleep, which can help to prevent the user from experiencing obstructive sleep apnea.

Abstract: A hygienic oral pacification device includes a fluid-filled bladder. The bladder includes a nipple and alveolar ridge-mating flanges. The bladder is dynamically shaped and allows for pressures provided by the suckling child to re-shaping the bladder and flanges. A bite-block extends into the bladder to maintain a fluid path from nipple to flanges. As the child completes the suckling cycle, the bladder nipple is depressed and fluid is forced in the engorging flanges. The flanges thus cover the alveolar ridges and fill the vestibules. Hard pads set along a superior surface of the nipple are compressed against the maxilla palate and provide lateral force to encourage expansion of the palate. The nipple may be bifurcated into left and right opposing lobes which can split laterally to enhance lateral force on maxilla.

Abstract: Series of apparatuses for expanding a patient's palate (“palatal expanders”), including rapid palatal expanders, wherein a left tooth engagement region and a right tooth engagement region are configured to add anti-tipping torque to at least one tooth. Left and right tooth engagement regions may include lingual surfaces with at least one lingual protrusion. Left and right tooth engagement regions may have buccally rotated cavities.

Abstract: An orthodontic expansion device for expanding a maxilla A and a maxillary dentition B includes: two hinges arranged with an interval; a screw; two intermediate members configured to be driven in directions of opening on a front end side with the respective hinges as fulcrums, by rotation operation of the screw; at least two arm members supported by the intermediate members and extending laterally and diagonally forward from the intermediate members; and a plurality of holding members supported by the arm members and configured to be attached to crowns of both lateral segments of the maxillary dentition B.

Abstract: A series of palatal expanders and methods of designing palatal expanders, including rapid palatal expanders, where outer occlusal surfaces of a palatal expander are shaped to conform to a geometry of corresponding teeth surfaces of the patient's lower jaw to provide occlusion between occlusal surfaces and the corresponding teeth surfaces.

Abstract: Palatal expander systems and methods. A palatal expander includes a palatal region connecting tooth engagement regions, where the palatal region is configured to apply a lateral force across a patient's palate when the tooth engagement regions are worn over the patient's teeth. Attachment regions on buccal sides of the tooth engagement regions are shaped and sized to engage with dental attachments bonded to the patient's teeth. At least one breach region corresponding to a thinned region of the palatal expander extends anteriorly to posteriorly in the palatal region or an occlusal portion of one or both of the tooth engagement regions. The at least one breach region is configured to breach or bend when a pulling force is applied to one or both of the tooth engagement regions such that one or both of the attachment regions are detached from respective attachments.

Abstract: One aspect of the present disclosure relates to an oropharynx appliance that includes passive tongue retention structure (12) having an end portion (16) adapted to prevent a pharyngeal portion of a tongue of a subject from collapsing; and at least one anchoring structure (14, 148) that is connected to the passive tongue retention structure and adapted to secure the passive tongue retention structure to at least one tooth/mandible of the subject in a removable fashion. The passive tongue retention structure is sized and dimensioned so that the end portion prevents the posterior pharyngeal portion of the tongue from obstructing an oropharynx during sleep, without triggering a gag reflex, while still permitting the tongue to move during swallowing.

Abstract: Method for manufacturing a dental expander having a first attachment member intended to be fixed to a first fixation tooth of a patient and an active member rigidly connected to the first attachment member. The method includes: a) generating a three-dimensional digital model of a dental arch having the fixation tooth or “arch model”; b) using the arch model as a basis for generating: a three-dimensional digital model of the first attachment member, wherein the model of the first attachment member that has an inner surface that substantially reproduces a part of the surface of the first fixation tooth, and/or a three-dimensional digital model of the active member; and c) using the model of the first attachment member as a basis for manufacturing the first attachment member and/or using the model of the active member as a basis for generating the active member.

Abstract: An orthodontic appliance includes a portion made of a shape memory alloy having a base alloy composition of at least two different metallic elements and a treated region having an alloy composition that is depleted in at least one of the metallic elements. The base alloy may include a nickel titanium alloy (NiTi), a copper chromium nickel titanium alloy (CuCrNiTi), or a copper aluminum nickel (CuAlNi) alloy. The treated region may be depleted in at least one of copper, aluminum, nickel, and titanium relative to the base alloy composition by exposing the base alloy to a source of energy. The base alloy composition has a first austenitic finish temperature and the treated region has an austenitic finish temperature that may be different than the first austenitic finish temperature. The treated region may form a part of an archwire, a stop, a hook, a crown, a band, or an orthodontic bracket.

Abstract: Systems, methods, and devices for improved orthodontic treatment of a patient's teeth are provided herein. In some embodiments, a method includes determining an appliance geometry for a dental appliance. The appliance geometry can include a first region representing a shell comprising a plurality of teeth receiving cavities, and a second region representing at least one integrally formed component to be integrally joined to the shell. The method can also include generating instructions including a first digital representation of the shell based on the first region, and a second digital representation of the at least one integrally formed component based on the second region. The method can further include transmitting the instructions to a fabrication system configured to additively manufacture the dental appliance by fabricating the shell based on the first digital representation, concurrently with fabricating the at least one integrally formed component based on the second digital representation.

Abstract: An oral treatment assembly providing a plurality of medical treatments of a patient that are non-invasive and in particular provides new methods for treating jaw related medical conditions of a patient through predetermined positioning and controlled or guided movement of a patient's mandible and therefore their mandibular condyles during use, wherein the assembly includes an upper and lower assembly each defining transition portions having a reverse cut angle that extends downward from the posterior forward to the anterior, and where each are configured to selectively engage to restrict the retrusion of the mandible relative to the maxilla and to position the mandible relative to the maxilla downward and in some embodiment slightly forward in a caregiver defined treatment position and having a caregiver defined treatment movement area thereabout. Since the reversed cut angle contains two vectors it also discourages involuntary dropping of the mandible relative to the maxilla.

Abstract: Disclosed are apparatuses and techniques for distalizing, mesializing and/or expanding teeth in the upper or lower dental arch of a patient's mouth to make room for crowded or protruded teeth located in the anterior arch region to distally and laterally shift into. In some aspects, an apparatus includes a body; a first arm coupled to an adjustment mechanism of the body and attachable to a molar; a second arm coupled to the apparatus body and attachable to a non-molar tooth; and an anchorage device attachable to a bone in the mouth, which the first arm is configured to transfer a force onto the molar when the adjustment mechanism is actuated to cause movement of the molar in the dental arch, and which the anchorage device is operable to positionally stabilize the body and the second arm to prevent movement of the non-molar tooth in the dental arch.

Abstract: An orthodontic appliance and associated systems and methods are disclosed herein. In some embodiments, the present technology includes a positioning member configured to position an orthodontic appliance during installation in the patient's mouth. The positioning member may comprise a first portion configured to be coupled to the patient's teeth and a second portion extending away from the first portion. The second portion may be configured to be detachably coupled to the orthodontic appliance. While the positioning member is coupled to the orthodontic appliance, the positioning member is configured to be positioned in the patient's mouth and coupled to the patient's teeth, thereby positioning the orthodontic appliance at a desired location adjacent a patient's oral anatomy.

Abstract: The invention is a device for moving a patient's tooth or related group of teeth. It is comprised of a housing which is fastened onto a base arch within the patient's oral cavity and which includes an adjuster which is connected to a palatal lock on the tooth to be moved using the adjuster. The base arch originates at a fixed jaw implant and is inserted into a channel in the housing which is freely accessible from outside and securely clamped using a lock connected to the housing, preferably a turn-type lock with a threaded shaft by tightening the threaded shaft.

Abstract: The present disclosure provides methods, devices, and systems for adjusting a tooth position. A system for adjusting a tooth position can include an attachment configured to be attached to a tooth to be moved, a dental appliance including a guide slot configured to receive the attachment and to define an adjustment trajectory of the tooth, and an adjustment band to generate force on the tooth to move the tooth along the adjustment trajectory.

Abstract: An orthodontic appliance is disclosed that integrates an arch expander with a first segment and a second segment. The first and second segments are disposed on opposite sides of a midline of a dentition of an orthodontic patient. Both the first segment and the second segment are disposed over multiple teeth on the respective side of the midline, with a gap existing proceeding along the dentition between anterior-most portions of the first segment and the second segment. The arch expander is integrated with the first and second segments to exert an anteriorly-disposed expansion force on the patient's dentition through the first and second segments, for instance where the posterior-most location where these expansion forces are exerted corresponds with a first bicuspid on each side of a permanent the dentition.

Abstract: An orthodontic bracket assembly treatment system comprising a bracket base and at least two rigid selectable bracket covers slidably engageable with the bracket base wherein the selectable at least two rigid selectable bracket covers are removably slidably couplable to said bracket base by slidably engaging the upper lip with the upper retention element and the lower lip with the lower retention element and wherein the width of the face of a first one of the at least two rigid selectable bracket covers is wider than the width of the face of a second one of the at least two rigid bracket covers and can be selectively releasably attached to the base during a treatment such that the treatment utilizes either the first bracket cover or the second bracket cover depending on a patient's treatment needs at a stage of the treatment.

Abstract: The present disclosure provides method, computing device readable medium, and devices for dental appliances with repositioning jaw elements. An example of a removable dental appliance includes a shell having a number of tooth apertures configured to receive and reposition a number of teeth of a patient along one jaw of a patient, a repositioning jaw element that extends from a buccal or lingual surface of the shell, the element having a first outer surface oriented to face the tongue of the patient surface and a second outer surface oriented to face the cheek of the patient, and a reinforcement member formed along at least one of the first and second outer surfaces to provide reinforcement of the repositioning jaw element.

Abstract: A dental appliance includes a first polymeric shell portion having one or more cavities shaped therein to removably conform to one or more teeth. The dental positioning appliance further includes at least one spacer. At least one spacer is coupled to the first polymeric shell portion. The dental appliance can also have a first arch member coupled to the at least one spacer and configured to provide at least some of a force needed to reposition one or more teeth from a first orientation to a second orientation different from the first orientation.

Abstract: Described herein is an oral appliance. The oral appliance includes upper and lower trays that each include at least one axial spring configured to contact a palatal/lingual surface of at least one tooth, where each axial spring is coupled to the respective upper or lower tray, and where each axial spring is configured to produce and transmit intermittent, cyclic forces to the palatal/lingual surface of the tooth to promote palatal and upper/lower jaw development. The upper and lower trays each include an expansion mechanism to enable adjustment of the size of the upper and lower trays to account for palatal expansion and upper and lower jaw development. The oral appliance includes first and second adjustable hinge arms that are removably connected to the upper and lower trays so that the oral appliance advances the mandible to provide temporary relief from sleep disordered breathing, sleep apnea and/or snoring.

Abstract: Provided is an exchangeable or replaceable maxillary skeletal expander. The exchangeable maxillary skeletal expander including: a pair of guides configured to be fixed by micro implants implanted into maxilla; and an expansion part including: a pair of main bodies configured to be inserted and extended while sliding between the pair of guides; and an expansion screw configured to penetrate the pair of main bodies and adjust an interval between the pair of main bodies.

Abstract: The present disclosure provides method, computing device readable medium, and devices for dental appliances with repositioning jaw elements. An example of a method can include identifying a misaligned jaw of a patient from a virtual image of the patient's jaw, providing a treatment plan for the patient including a virtual model of a dental appliance having a first shell and a second shell configured to reposition at least one tooth of the patient, and adjusting the position of the repositioning jaw elements on the first shell and the second shell to comply with a number of constraints. The virtual model of the dental appliance including repositioning jaw elements on the first shell and the second shell configured to move a position of the misaligned jaw of the patient.

Abstract: A dental appliance and method of treatment are disclosed. The dental appliance attaches to predetermined teeth of an upper jaw of a patient, and includes a constrainment mechanism positioned above a patient's tongue, wherein the constrainment mechanism is shaped to limit movement of a posterior zone of the patient's tongue. The constrainment mechanism allows at least an anterior zone and lateral edges of the patient's tongue to perform movements necessary for speech and swallowing. The method of treatment includes use of the dental appliance to reduce the volume of a patient's tongue and enlarge the airways, and can be combined with use of another dental appliance to correct another aspect of the patient's tongue.

Abstract: The orthodontic appliance includes a spread plate for spreading location of right and left molars of an upper dentition portion by spreading right and left plate portions, and the right and left plate portions include plate body portions arranged respectively on the sides of the molars of the upper dentition portion and the engagement portions extending from the plate body portions to the positions each facing the vicinity of the front teeth of the upper dentition portion, and the engagement portions are configured to be engaged with the lower front teeth when the upper dentition portion and a lower dentition portion are engaged with each other.

Abstract: Embodiments of bone anchored expander devices described herein along with the protocol provide improved orthodontic/orthopedic appliances and protocol for expanding or contracting, protracting or retracting, extruding or intruding the upper jaw and dental arch unilaterally or bilaterally in parallel or non-parallel way, as well as enlarging the nasal cavity and nasopharyngeal airway. This expander design and protocol gives the clinician the ability to direct expansion or constriction, protraction or retraction, extrusion or intrusion forces to various segments of the maxillary jaw and arch in parallel or nonparallel configuration minimizing the need for major osteotomies.

Abstract: Systems, methods, and devices for producing appliances for expansion of the arch of a patient are provided. An arch expanding appliance comprises a force generating portion to apply an arch expansion force and a retention portion to hold the force generating portion on the teeth. The retention portion comprises a flexible portion and a stiff portion. The force generating portion applies a force to move teeth associated with the flexible portion, while the stiff portion resists movement of its associated teeth. The orthodontic appliances can be designed according to the specifications provided herein and manufactured using direct fabrication methods.

Abstract: An osseous anchoring implant with optimized expansion, having a tubular body and a rod whose external profile of the rod and internal profile of the tubular body are complementary. The implant being expandable between a rest configuration in which an abutment mechanism interlocks the tubular body and the rod thanks to the reversal of their two respective screw pitches, so that they provide in an expanded configuration radially: a proximal bearing point, a distal bearing point, a “central” bearing point located between these two bearing points, formed by the cooperation between the outer diameter of the rod and the inner diameter of the tubular body which induce an outer diameter of the tubular body at the “central” level greater than the outer diameter of the tubular body at the proximal bearing point.

Abstract: An orthodontic device, including: an inner housing that covers teeth, an outer housing that covers the inner housing, a bracket that is capable of pressing against the teeth and that penetrates the inner housing, and a pressing force adjuster that engages with the outer housing and the bracket and that is capable of adjusting a pressing force of the bracket on the teeth.

Abstract: An orthodontic expansion screw including at least two bodies, the mutual distance between which can be changed by means of a spindle, and with one or two guide pins, which engage both bodies and guide them while preventing a relative rotation of the bodies given a change in their distance relative to each other. In order to prevent or impede an inadvertent twisting of the spindle relative to the bodies, the outer periphery of the activating part has a shell surface, whose configuration differs from a shell surface of a circular cylinder in such a way that there is at least one first position of the spindle in which the activating part contacts the guide pins with a pressure that leads to an elastic deformation of a guide pin.

Abstract: A removable arch adjustment appliance includes a removable shell having a plurality of cavities formed therein, wherein the plurality of cavities are shaped to receive at least one posterior tooth of a patient on each side of a patient's jaw. The shell can include an elastic transpalatal element that spans a palate of the patient and provides force to expand at least one of the spaces between the posterior teeth on each side of a patient's jaw or the palate of the patient. The transpalatal element can include a predetermined force characteristic, a number of force control elements to control the force provided by the transpalatal element, and/or a regulating structure to balance and direct the force provided by the transpalatal element, wherein the transpalatal element has a width specific to a stage of a treatment plan.

Abstract: An oral appliance system for a human mouth comprises at least one maxillary appliance and at least one mandibular appliance that can be removably anchored to teeth of a maxilla and mandible, respectively. Respective biasing members are carried by the at least one maxillary appliance and the at least one mandibular appliance. When the at least one mandibular appliance is anchored to the human mandible and the at least one maxillary appliance is anchored to the human maxilla of a common jaw, the respective biasing members act between the at least one maxillary appliance and the at least one mandibular appliance to urge the at least one mandibular appliance inferiorly and anteriorly away from the at least one maxillary appliance with a force between about 250 grams at contact and about 1200 grams at contact.

Abstract: An orthodontic device having at least one first bearing element configured for bearing on the left-hand side of an upper jaw of a patient to be treated, at least one second bearing element configured for bearing on the right-hand side of the jaw and a central actuator for modulating a distance between the bearing element in order to expand the palate of the patient. The device further includes a mechanical rotary link between the actuator and the first bearing element and a mechanical rotary link between the actuator and the second bearing element in order to allow geometric adjustment while the device is being fitted in the mouth of the patient, at least in the vertical direction, the anterior-posterior direction, or the transverse direction.

Abstract: An intra-oral device comprising upper and lower jaw applicators, the upper jaw applicator comprising upper left and upper right components, and the lower jaw applicator comprising lower left and lower right components; a transverse adjustment mechanism for simultaneously adjusting a distance between the upper left and upper right components, and the lower left and lower right components wherein the transverse adjustment mechanism comprises: a threaded rod having one end portion engageable with the upper left and lower left components, and another end portion engageable with the upper right and the lower right components.

Abstract: Disclosed herein are splints for a mandibular advancement device, each splint comprising one or more guided fins, wherein each guided fin is located at a distance D from back of the splint; a back post; at least one threaded rod connecting the back post to the guided fin, wherein the distance between the guided fin and the back post is changed when the threaded rod is turned either clockwise or counterclockwise; and a guiding mechanism.

Abstract: A fan screw for the expansion of the upper jaw, including two bodies (1, 2) connected by at least one driving screw (4; 7) and placed on opposite sides with respect to a sagittal plane (x-x), the longitudinal axis (v-v; k-k) of the at least one expansion screw (4; 7) being perpendicular to the plane (x-x), each of the bodies (1, 2) having a lingual side (L1, L2) and an opposite upper side and being provided with a structure for anchoring it to several teeth of a dental arch destined to be expanded. The longitudinal axis (v-v; k-k) of the at least one driving screw (4; 7) is at a predetermined distance (h) from the lingual sides (L1, L2) of bodies (1, 2), the distance (h) being measured along a lingual direction (L) parallel to the plane (x-x), such that the distance between the axis (v-v) of the at least one driving screw (4; 7) and the upper sides of bodies (1, 2) is greater than the distance between the upper and the lower sides of bodies (1, 2).

Abstract: An apparatus for mandibular advancement of an oral appliance for use in the treatment of sleep apnea, snoring, and other conditions. The apparatus for mandibular advancement of an oral appliance generally includes a first appliance portion comprising a gear assembly having a drive gear, wherein rotation of the drive gear linearly displaces links. The appliance also has a second appliance portion with a link-engaging members, wherein the links exert a force on the link-engaging members when they are linearly displaced, and wherein the force causes the second appliance portion to be displaced relative to the first appliance portion.

Abstract: An orthodontic appliance is disclosed that integrates an arch expander with a first segment and a second segment. The first and second segments are disposed on opposite sides of a midline of a dentition of an orthodontic patient. Both the first segment and the second segment are disposed over multiple teeth on the respective side of the midline, with a gap existing proceeding along the dentition between anterior-most portions of the first segment and the second segment. The arch expander is integrated with the first and second segments to exert an anteriorly-disposed expansion force on the patient's dentition through the first and second segments, for instance where the posterior-most location where these expansion forces are exerted corresponds with a first bicuspid on each side of a permanent the dentition.

Abstract: Systems and methods of repositioning teeth, using one or more appliances for installing on a patient's teeth are described. The appliance includes an arch shaped member; a plurality of spring members coupled to or provided on the arch shaped member; and a plurality of securing members for securing to a corresponding plurality of the patient's teeth on a one-to-one basis, the securing members being supported by the arch shaped member. The arch shaped member and the plurality of springs, together, comprise a two dimensional structure having a length dimension and a width dimension with varying widths along the length dimension, that is bent into a three dimensional structure.

Abstract: Expansion screw for orthodontics, comprising at least one stem (1) with at least a threaded portion (10) extending along the longitudinal extension of the stem (1), at least one receiving body (3) adapted for receiving said threaded portion (10) and provided with a complementarily threaded hole allowing said threaded portion (10) to be screwed therein, guide means (2) allowing said at least one receiving body (3) to be moved, actuation means (11, 12) for actuating said stem (1). The hole (31) of said at least one receiving body (3) has a longitudinal extension substantially corresponding to that of the threaded portion (10) of said at least one stem (1). The receiving body (3) is a technopolymer receiving body and the stem (1) is embedded in the technopolymer of the receiving body when the expansion screw (100) is made.

Abstract: Systems and methods for treating sleep-disordered breathing and related masticatory and temporomandibular joint disorders are disclosed herein. In one embodiment, an oral appliance for treating the sleep-disordered breathing and/or the related masticatory and temporomandibular joint disorders includes an upper section configured for attachment to upper teeth and a lower section configured for positioning behind lower teeth. The oral appliance also includes an extender connecting the lower section to the upper section. The extender is configured to advance the lower section into a contact with the lower teeth.

Abstract: A removable orthodontic device includes an anchorage cap segment, a moving cap segment, a pair of spring elements, and a guiding wire. The anchorage cap segment is removably worn on the anterior teeth of a dental arch. The moving cap segment is removably worn on at least one posterior tooth on one side of the dental arch. The spring elements are disposed between the anchorage and moving cap segments to generate an elastic resilient force to move the moving cap segment relative to the anchorage cap segment. The guiding wire has a U-shaped portion and two rod portions. The U-shaped portion is embedded in and disposed around three sidewalls of the moving cap segment, and the rod portions are received in guiding channels formed in the buccal and lingual sidewalls of the anchorage cap segment to guide the movement of the moving cap segment.

Abstract: Systems and methods of repositioning teeth, using one or more appliances for installing on a patient's teeth are described. The appliance includes an arch shaped member; a plurality of spring members coupled to or provided on the arch shaped member; and a plurality of securing members for securing to a corresponding plurality of the patient's teeth on a one-to-one basis, the securing members being supported by the arch shaped member. The arch shaped member and the plurality of springs, together, comprise a two dimensional structure having a length dimension and a width dimension with varying widths along the length dimension, that is bent into a three dimensional structure.

Abstract: The present invention relates to a palatal and jaw expansion device comprising at least one screw, at least two blocks that are positioned on the screw so as to move on the screw, at least one stabilization rod whereon the blocks are seated, a movement mechanism disposed at the center of the screw and an arm that has a fixed end fixed to the movement mechanism perpendicularly to the horizontal axis where the screw extends and a free end and hat, when force is applied on the free end, rotates the movement mechanism whereon the arm is fixed and the screw around the horizontal axis where the screw extends, enabling the blocks to move on the screw.