Historical survey of orthodontics Classification of...
59
Historical survey of orthodontics Historical survey of orthodontics Classification of orthodontic Classification of orthodontic appliances appliances
Transcript of Historical survey of orthodontics Classification of...
Historical survey of orthodonticsHistorical survey of orthodontics
Classification of orthodontic Classification of orthodontic appliancesappliances
The earliest mention of The earliest mention of anomalies of the jaw is found in anomalies of the jaw is found in HippocratesHippocrates
The first orthodontic advice The first orthodontic advice is to be read in the Roman is to be read in the Roman CelsusCelsus, around the time of , around the time of
Christ.Christ.●1. extraction of persistent deciduous teeth●2. permanent teeth which erupt in the wrong direction ought to be corrected by finger pressure
Development of appliances 1.Development of appliances 1.Old school of orthodonticsOld school of orthodontics
(1728-1890)(1728-1890)
● 18th c. Fauchard● big forces● with extractions● narrow age limit● individual, bulky, removable appliances
First orthodontic applianceFirst orthodontic appliance((flat strip of metal, pierced with holes)flat strip of metal, pierced with holes)
Pierre Fauchard1728
There were hundreds of different ways to treat patients.
Treatment was awkward, fragmentary, time-consuming, empirical and, in a word, chaotic.
Bite block for crossbiteBite block for crossbite
Fox London, 1803
Serial extraction of primary teeth for prevention
Gold spring as an inclined planeGold spring as an inclined plane
KneiselBerlin, 1836
Jack-screwJack-screw
DwinelleNew York, 1849
Intermaxillary anchorageIntermaxillary anchorage
Baker(Tuker: rubber elastic Boston, 1846)
The Coffin springThe Coffin spring(expansion appliance)(expansion appliance)
CoffinLondon, 1861
He vulcanized a spring-action piano wire, bent into the shape of a „W” into a hard rubber plate.
First orthodontic paper in which he First orthodontic paper in which he investigated the physiological and investigated the physiological and pathological tissue alterations which take pathological tissue alterations which take place in regulating the teeth.place in regulating the teeth.
FarrarNew York, 1875
The practice of orthodontics was The practice of orthodontics was altered forever in 1870 with an altered forever in 1870 with an invention that most orthodontists invention that most orthodontists have not seriously associated with have not seriously associated with treatmenttreatment
It was the invention of dental cement by Magill of Erie, Pennsylvania
Bite plane for „jumping the bite” Bite plane for „jumping the bite”
KingsleyNew York, 1880
„ „ Crib” Crib” round spring-action platinum-iridium round spring-action platinum-iridium wire was fastened with wire claspswire was fastened with wire clasps
JacksonNew York, 1887
Development of appliances 2.Development of appliances 2.Angle’s school /19Angle’s school /19thth century/ century/
● functional considerations● line of occlusion● line of harmony● expand the tooth arches without extractions● Angle’s expansion arch
Angle’s jack-screw
Angle’s jack-screw
Angle’s appliance (clamp bands, retraction screws, cemented bands, soldered attachment: screw, tubes)
Angle’s expansion archAngle’s expansion arch
Development of appliances 3.Development of appliances 3.New Angle’s school /20New Angle’s school /20thth century/ 1910- century/ 1910-
19281928
● functional-biological considerations
● treatment: with extractions
● pin and tube appliance
● ribbon arch appliance
Angle’s pin and tube appliance, 1913Angle’s pin and tube appliance, 1913(first appl. for bodily movement)(first appl. for bodily movement)
Angle’s ribbon arch appliance, 1915Angle’s ribbon arch appliance, 1915
Removable labio-lingual wire Removable labio-lingual wire applianceappliance
CrozatNew Orleans, 1920
Angle’s edgewise appliance, 1928Angle’s edgewise appliance, 1928
● bone-biological considerations
● removable appliances: functional activator /Andresen Häupl, Fränkel/
● fixed appliances: edgewise archmechanism; Angle, Tweed, Begg, Jarabak, Andrews
● Cephalometric radiography: Simon, Hofrath (Europe) Broadbent (USA)
After Angle’s death: Tweed, Margolis, Bolton
Development of appliances 4.Modern orthodontics
/before World War II./
Modern orthodontics 1928-Modern orthodontics 1928-Removable appliances Fixed appliances
Classification of appliances I.Classification of appliances I.
● Removable ● activ plates
● passiv plates
● functional
appliances
● Fixed● Simon arch
● quad helix
● Hyrax
● multiband-
multibond
Classification of appliances I.Classification of appliances I.
● Removable ● activ plates
● passiv plates
● functional
appliances
Classification of appliances I.Classification of appliances I.
● Removable● activ plates
● passiv plates
● functional
appliances
Classification of appliances I.Classification of appliances I.
● Removable● activ plates
● passiv plates
● functional
appliances
Classification of appliances I.Classification of appliances I.
● Removable● activ plates
● passiv plates
● functional
appliances
Classification of appliances I.Classification of appliances I.
● Fixed● Simon arch
● quad helix
● Hyrax
● multiband-multibond .
Classification of appliances I.Classification of appliances I.
● Fixed● Simon arch
● quad helix
● Hyrax
● multiband-multibond .
Classification of appliances I.Classification of appliances I.
● Fixed● Simon arch
● quad helix
● Hyrax
● multiband-multibond
Classification of appliances I.Classification of appliances I.
● Fixed● Simon arch
● quad helix
● Hyrax
● multiband-multibond
Multiband-multibond technicsMultiband-multibond technics● Edgewise-system /Angle/● Light-wire /Begg, Jarabak/● Bioprogress technics -„utility wire” /Riketts/● Twin wire /Johnson/● Straight-wire technics /Andrews, Roth,
Alexander/● Twist-flex
Elements of multiband-multibond appl.Elements of multiband-multibond appl.
Edgewise-system /Angle/Edgewise-system /Angle/
Light-wire /Begg, Jarabak/Light-wire /Begg, Jarabak/
Bioprogress technic =„utility” /Riketts/Bioprogress technic =„utility” /Riketts/
Twin wire /Johnson/Twin wire /Johnson/
Twist-flex /for complement/Twist-flex /for complement/
Classification of appliances on the Classification of appliances on the basis of anchorage and direction of basis of anchorage and direction of
forces II.forces II.● Intraoral appliances
– intramaxillary, intramandibular plates and arches– intermaxillary appliances /bimaxillary or functional
appliances); fixed appliances with intermaxillary rubber anchorage/
● Extraoral appliances– Occipitomental appl.: chin-cap
● Intra-extraoral appliances– headgear– face-mask (Delaire)
● Intraoral appliances– intramaxillary, intramandibular plates and arches– intermaxillary appliances
● /bimaxillary or functional appliances); ● fixed appliances with intermaxillary rubber anchorage/
● Extraoral appliances– Occipitomental appl.: chin-cap
● Intra-extraoral appliances– headgear– face-mask (Delaire)
Classification of appliances on the Classification of appliances on the basis of anchorage and direction of basis of anchorage and direction of
forces II.forces II.
● Intraoral appliances– intramaxillary, intramandibular plates and arches– intermaxillary appliances /bimaxillary or functional
appliances); fixed appliances with intermaxillary rubber anchorage/
● Extraoral appliances– Occipitomental appl.: chin-cap
● Intra-extraoral appliances– headgear– face-mask (Delaire)
Classification of appliances on the Classification of appliances on the basis of anchorage and direction of basis of anchorage and direction of
forces II.forces II.
● Intraoral appliances– intramaxillary, intramandibular plates and arches– intermaxillary appliances /bimaxillary or functional
appliances); fixed appliances with intermaxillary rubber anchorage/
● Extraoral appliances– Occipitomental appl.: chin-cap
● Intra-extraoral appliances– headgear– face-mask (Delaire)
Classification of appliances on the Classification of appliances on the basis of anchorage and direction of basis of anchorage and direction of
forces II.forces II.
● Intraoral appliances– intramaxillary, intramandibular plates and arches– intermaxillary appliances /bimaxillary or functional
appliances); fixed appliances with intermaxillary rubber anchorage/
● Extraoral appliances– Occipitomental appl.: chin-cap
● Intra-extraoral appliances– headgear– face-mask (Delaire)
Classification of appliances on the Classification of appliances on the basis of anchorage and direction of basis of anchorage and direction of
forces II.forces II.
Classification of appliances III. Classification of appliances III. Removable appliancesRemovable appliances
● Attached removable appliances
–Active appliances
–Passive appliances
● Loose removable appliances
Attached removable appliancesAttached removable appliances1. Active appliances1. Active appliances
● Extra-oral traction devices: head-gear, face mask, chin cup
● Lip bumpers /’plumpers’/
● Active plates /Schwarz appl., space-regaining appl., anterior spring aligners/
Attached removable appliancesAttached removable appliances2. Passive appliances2. Passive appliances
● Bite planes
● Occlusal splints
● Multiple space maintainers
● Retainers
Loose removable appliancesLoose removable appliances
● Vestibular appliances● Functional jaw orthopedic appl. /Fränkel,
Bimler/● Repositioning splints● Tooth positioners● Herbst appliance
Fixed appliancesFixed appliances● Lingual archwire● Fixed space maintainers● Palate-separating devices● Edgewise mechanisms● Light-wire appliances● Other fixed appliances
(Twin-wire appl., Universal appl.)
Fixed appliancesFixed appliances
● 1. Direct action appliances
The movement is effected by means of
mechanical forces
e.g. labial and lingual arches
Fixed appliancesFixed appliances
● 2. Indirect action appliances
The appliances serve to transmit the forces to
the teeth
e.g. inclined plane
Fixed appliancesFixed appliances
● 3. Appliances for maintaining the
position of teeth
e.g. retention arch
Thank you for your attention!Thank you for your attention!
