t developing occlusion t l a n c el a n c e · to © r i c h a r d i c h a r d the developing...

1

RR I C H A R D I C H A R D YY O O NO O N 11

TTHE HE DDEVELOPING EVELOPING OOCCLUSIONCCLUSION ©©

AA T T AA GG L A N C EL A N C E



First transitional periodFirst transitional period

First First intertransitionalintertransitional period period

Birth to the complete primary dentitionBirth to the complete primary dentition

Second Second intertransitionalintertransitional periodperiod

Second transitional periodSecond transitional period

Adult dentitionAdult dentition

SS I X I X SS T A G E ST A G E S

Orderly SequenceOrderly Sequence



Identifiable PeriodsIdentifiable Periods

Continuum of ActivityContinuum of Activity

Quiescent InterludesQuiescent InterludesFirst transitional period

First intertransitional period

Birth to the complete primary dentition

Second intertransitional period

Second transitional period

Adult dentition

SS I X I X SS T A G E ST A G E S

2



SS T A G E T A G E 11

First transitional period





Adult dentition

8 mos.8 mos.

00--3 years3 years








Adult dentition

SS T A G E T A G E 1 I1 I M M A T U R I T Y M M A T U R I T Y OO F F TT H E H E MM A N D I B L EA N D I B L E








Adult dentition

SS T A G E 1T A G E 1

3



SS T A G E T A G E 11 EE R U P T I O N R U P T I O N PP A T T E R N A T T E R N






Adult dentition



SS T A G E T A G E 11 R R U L EU L E O O FF F F O U R O U R








Adult dentition


2.5 yrs.2.5 yrs.

4








Adult dentition

SS T A G E T A G E 2 Q 2 Q U I E S C E N TU I E S C E N T I I N T E R L U D EN T E R L U D E

SpacingSpacingVertical ChangesVertical ChangesVertical RelationshipVertical Relationship

33--6 years6 years



SS T A G E T A G E 2 F 2 F I R S TI R S T I I N T E R T R A N S I T I O N A LN T E R T R A N S I T I O N A L P P E R I O DE R I O D

SS P A C EP A C E

PP R I M A T ER I M A T E GG E N E R A L I Z E DE N E R A L I Z E D

40 %40 %60 %60 %



SS T A G E T A G E 2 P 2 P R I M A T ER I M A T E S S P A C E SP A C E S






Adult dentition

5



SS T A G E T A G E 2 G 2 G E N E R A L I Z E DE N E R A L I Z E D S S P A C E SP A C E S






Adult dentition








Adult dentition

SS T A G E T A G E 2 V 2 V E R T I C A LE R T I C A L C C H A N G E SH A N G E S








Adult dentition

SS T A G E T A G E 2 V 2 V E R T I C A LE R T I C A L R R E L A T I O N S H I PE L A T I O N S H I P

6



SS T A G E T A G E 2 V 2 V E R T I C A LE R T I C A L R R E L A T I O N S H I P SE L A T I O N S H I P S

10%10%30%30%

40/20%40/20%








Adult dentition++----

SS T A G E T A G E 2 A 2 A P P O S I T I O NP P O S I T I O N & R & R E S O R P T I O NE S O R P T I O N



K K E Y P O I N T SE Y P O I N T S

Vertical PositioningVertical PositioningSpacingSpacingMolar Terminal PlaneMolar Terminal Plane

7








Adult dentition

SS T A G E T A G E 3 F 3 F I R S TI R S T E E X C H A N G EX C H A N G E

66--8 years8 years



SS T A G E T A G E 3 F 3 F I R S TI R S T T T R A N S I T I O N A LR A N S I T I O N A L P P E R I O DE R I O D




8










9




LL FF




Incisor LiabilityIncisor Liability



SS T A G E T A G E 3 I 3 I N C I S O RN C I S O R L L I A B I L I T YI A B I L I T Y

InterdentalInterdental SpacingSpacing

IntercanineIntercanine Arch WidthArch Width

Anterior PlacementAnterior Placement

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Adult dentition

SS T A G E T A G E 3 M 3 M E S I A LE S I A L S S H I F T SH I F T S



SS T A G E T A G E 3 E 3 E A R L YA R L Y M M E S I A LE S I A L S S H I F T H I F T

66



SS T A G E T A G E 3 L 3 L A T EA T E M M E S I A LE S I A L S S H I F T H I F T

1111

11



SS T A G E T A G E 4 Q 4 Q U I E S C E N TU I E S C E N T I I N T E R L U D EN T E R L U D E






Adult dentition

88--10 yrs.10 yrs.








Adult dentition

SS T A G E T A G E 4 L 4 L E E W A YE E W A Y S S P A C EP A C E

0.9 mm0.9 mm

1.7 mm1.7 mm



SS T A G E T A G E 4 L 4 L E E W A YE E W A Y S S P A C EP A C E

Size DifferentialSize Differential

12








Adult dentition

SS T A G E T A G E 4 G 4 G A B L EA B L E E E F F E C TF F E C T








Adult dentition

SS T A G E T A G E 5 L 5 L A S TA S T E E X C H A N G EX C H A N G E

1010--12 yrs.12 yrs.








Adult dentition

SS T A G E T A G E 5 C 5 C U S P I D SU S P I D S

13








Adult dentition




SS T A G E T A G E 5 S 5 S E C O N DE C O N D T T R A N S I T I O N A LR A N S I T I O N A L P P E R I O DE R I O D









Adult dentitionAdult dentition FunctionalFunctionalEstheticEstheticStableStable

1212--20 yrs.20 yrs.

14



K K E Y P O I N T SE Y P O I N T S

First First First intertransitionalintertransitionalintertransitional period period period

Birth to the complete primary dentitionBirth to the complete primary dentitionBirth to the complete primary dentition

Second Second Second intertransitionalintertransitionalintertransitional periodperiodperiod

Second transitional periodSecond transitional periodSecond transitional period

Adult dentitionAdult dentitionAdult dentition

Normal Molar RelationshipNormal Molar Relationship

Early Early MesialMesial Shift of Permanent MolarsShift of Permanent Molars

Late Late MesialMesial Shift of Permanent MolarsShift of Permanent Molars

Incisor LiabilityIncisor Liability

Normal Normal IncisalIncisal RelationshipsRelationships

DefinitionsDefinitions

Eruption Eruption SequenceSequence

Molar Molar RelationshipsRelationships

PercentagesPercentages

First transitional periodFirst transitional periodFirst transitional period

t developing occlusion t l a n c el a n c e · to © r i c h a r d i c h a r d the developing...

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