INTRODUCTION TO
ORTHODONTICS
Dr. Zuber Ahamed Naqvi
OBJECTIVES
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Definition
Unfavorable sequelae of malocclusion
Aims of orthodontic treatment
Scope of orthodontic treatment
Orthodontic services
History
Definition
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1992- British society for the study of
orthodontics
“Orthodontics includes the study of the
growth and development of the jaws and face
particularly, and the body generally as
influencing the position of the teeth; the
study of action and reaction of internal and
external influences on the development and
the prevention and correction of arrested and
perverted development”.
Unfavorable sequelae of malocclusion
Poor facial
appearance
 Caries risk
 Predisposition to
periodontal disease
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Unfavorable sequelae of malocclusion
Psychological
disturbances
 Risk of trauma
 Abnormalities of
function
 TMJ
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Aims of orthodontic treatment
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Jackson’s triad
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Functional efficiency
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Structural balance
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Esthetic harmony
SCOPE
Alteration in tooth position
 Alteration in skeletal pattern
 Alteration of soft tissue pattern
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Alteration in tooth position
Alteration in skeletal pattern
Alteration of soft tissue pattern
Orthodontic services
Preventive orthodontics
 Interceptive orthodontics
 Corrective orthodontics
 Surgical orthodontics
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Surgical orthodontics
HISTORY
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Pierre Fauchard- founder
of modern dentistry
First orthodontic
appliance- Bandeletteto expand the dental
arch.
Norman Kingsley- first to
use extra oral force to
correct protruding teeth.
Edward H. Angle
Father of modern orthodontics
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Orthodontics separated
from other branches of
dentistry.
Classification of malocclusion
Pin and tube appliance
Ribbon arch appliance
Edgewise appliance
School of orthodontics at St.
Louis, New London, Connecticut
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Holly Broadband and Hofrathcephalometric radiography.
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Raymond Begg- Begg’s appliance /
light wire technique.
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Lawrence Andrews- Straight Wire
Appliance
References
Contemporary orthodontics. 4th edition.
William R Proffit
 Orthodontics : the art and science. 4th
edition. S I Bhalaji
 Orthodontics and dentofacial orthopedics.
James A McNamara, William L Burdon
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