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Serial extraction /certified fixed orthodontic courses by Indian dental academy
1. INDIAN DENTAL ACADEMY
Leader in continuing dental education
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2. Serial extraction
An interceptive orthodontic procedure.
Other terminologies: Guidance of eruption
Guidance of occlusion
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3. Serial extraction
Definition: It is a timed, planned extraction
regimen involving deciduous teeth, followed
by extraction of the permanent teeth in order
to alleviate crowding as well as the duration
of fixed mechanotherapy.
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4. Serial extraction
History: Robert Bunon (1743)was the first to
describe serial extraction.
Kjellgren coined the term ‘ serial extraction’
Nance is considered as the father of serial
extraction in the USA.
Other pioneers have been : Hotz, Tweed,
Dewel and Jack Dale.
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5. Serial extraction
Definition: It is a planned
sequential
extraction regimen involving deciduous
teeth, followed by extraction of the
permanent teeth in order to alleviate future
crowding as well as the duration of fixed
mechanotherapy.
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10. Serial extraction
Methods:
•Dewel method: Extraction of deciduous
canines , followed by deciduous first molars
and finally first premolars
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12. Serial extraction
Methods:
•Nance method : Extraction of deciduous
first molars, followed by first premolars and
then deciduous canines
•Tweed method : similar to the above except
that extraction sequence may involve the
deciduous laterals also
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14. Serial extraction
Contra-indications of Serial extraction:
1) Skeletal Class II and Class III
conditions
2) Deep overbite
3) Class I cases with minimal arch length
discrepancy
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15. Serial extraction
Advantages of Serial extraction:
1) Minimal fixed appliance treatment
2) Relatively less compliance from the
patient
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16. Serial extraction
Disadvantages of Serial extraction:
1) Thorough diagnosis is needed
2) Bite deepening usually occurs
3) It becomes a two-stage treatment
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17. Serial extraction
Serial extraction in Class II malocclusions:
Usual procedure may be carried out , but
only in the upper arch.
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18. Thank you
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