SlideShare a Scribd company logo
D R Z A F A R U L I S L A M
A S S O C I A T E P R O F E S S O R O R T H O D O N T I C S
ANDREW’S SIX KEYS OF
OCCLUSION
SIX KEYS OF OCCLUSION
1. MOLAR
RELATIONSHIP
2. ROTATIONS OF
TEETH
3. SPACING OF TEETH
4. TOOTH
INCLINATION
5. TOOTH ANGULATION
6. CURVE OF SPEE
MOLAR RELATION
 Molars in class I relation
 The mesiobuccal cusp of
maxillary first
permanent molar should
occlude in the buccal
groove of mandibular
first permanent molar
Rotations of teeth
 Their should be no
rotations of teeth
Spacing of Teeth
 There should be no
spacing in the teeth
Tooth Inclinations
 Also called torque of
teeth
 The teeth should be
ideally inclinated
buccolingually/palatally
 12, 8, -1, -7, -7, -14, -14
 -1, -1, -11, -17, -22, -30, -
30
Teeth Angulations
 Also called TIP
 The teeth should be
ideally angulated
mesiodistally
 5, 9, 13, 0, 0, 0, 0
 0, 0, 7, 0, 0, 0, 0
Curve of Spee
 A curve passing along the
buccal cusps of posterior
teeth and incisal edges of
anterior teeth
 Curve of spee should be
flat or slightly concave
7TH KEY OF OCCLUSSION
 Bennet and Mc Laughlin
 There should be no
Bolton discrepancy
THANK YOU

More Related Content

Similar to Andrew 6 keys of occlusion-1.pptx orthodontics

Dana/Roseman/Terminology
Dana/Roseman/TerminologyDana/Roseman/Terminology
Dana/Roseman/Terminology
cadana
 
Morphology and histology
Morphology and histologyMorphology and histology
Morphology and histology
Hema Latha
 
Occlussion
Occlussion   Occlussion
Occlussion
emyhany
 
Malocclusion
MalocclusionMalocclusion
Malocclusion
Maher Fouda
 
Classification_of_malocclusion[1] [Read-Only].pptx
Classification_of_malocclusion[1] [Read-Only].pptxClassification_of_malocclusion[1] [Read-Only].pptx
Classification_of_malocclusion[1] [Read-Only].pptx
TiruvalliUttamkumar1
 
Pedia eruption
Pedia eruption Pedia eruption
Pedia eruption
IAU Dent
 
Occlussion
Occlussion   Occlussion
Occlussion
emyhany
 
Dental Occlusion
Dental OcclusionDental Occlusion
Dental Occlusion
dentistry
 
OCCLUSION
OCCLUSIONOCCLUSION
Class-Concept of occlusion O.ppt
Class-Concept of occlusion O.pptClass-Concept of occlusion O.ppt
Class-Concept of occlusion O.ppt
DentalYoutube
 
Artificial Teeth Arrangement
Artificial Teeth ArrangementArtificial Teeth Arrangement
Artificial Teeth Arrangement
Cing Sian Dal
 
8 - setting of teeth for class I, II and II arch relation ship (Edited)
8 - setting of teeth for  class I, II and II arch relation ship (Edited)8 - setting of teeth for  class I, II and II arch relation ship (Edited)
8 - setting of teeth for class I, II and II arch relation ship (Edited)
Amal Kaddah
 
Age determination
Age determinationAge determination
Age determination
Dr. Qazi Muhammad Awais
 
تشريح أسنان محاضرة 2
تشريح أسنان محاضرة 2 تشريح أسنان محاضرة 2
تشريح أسنان محاضرة 2
Lama K Banna
 
Difference between primary and permanent teeth
Difference between primary and permanent teethDifference between primary and permanent teeth
Difference between primary and permanent teeth
princesoni3954
 
Development of occlusion
Development of occlusion Development of occlusion
Development of occlusion
Gouthami Gummadi
 
6- Prosthetic Problems and possible solutions in Setting –up of teeth for ske...
6- Prosthetic Problems and possible solutions in Setting –up of teeth for ske...6- Prosthetic Problems and possible solutions in Setting –up of teeth for ske...
6- Prosthetic Problems and possible solutions in Setting –up of teeth for ske...
Amal Kaddah
 
P3 Setting of teeth
P3 Setting of teethP3 Setting of teeth
P3 Setting of teeth
James Rakius Orfanel
 
Introduction to cavity preparation and materials.pptx
Introduction to cavity preparation and materials.pptxIntroduction to cavity preparation and materials.pptx
Introduction to cavity preparation and materials.pptx
Royal Dental College Library
 
Introduction to cavity preparation and materials.pptx
Introduction to cavity preparation and materials.pptxIntroduction to cavity preparation and materials.pptx
Introduction to cavity preparation and materials.pptx
Royal Dental College Library
 

Similar to Andrew 6 keys of occlusion-1.pptx orthodontics (20)

Dana/Roseman/Terminology
Dana/Roseman/TerminologyDana/Roseman/Terminology
Dana/Roseman/Terminology
 
Morphology and histology
Morphology and histologyMorphology and histology
Morphology and histology
 
Occlussion
Occlussion   Occlussion
Occlussion
 
Malocclusion
MalocclusionMalocclusion
Malocclusion
 
Classification_of_malocclusion[1] [Read-Only].pptx
Classification_of_malocclusion[1] [Read-Only].pptxClassification_of_malocclusion[1] [Read-Only].pptx
Classification_of_malocclusion[1] [Read-Only].pptx
 
Pedia eruption
Pedia eruption Pedia eruption
Pedia eruption
 
Occlussion
Occlussion   Occlussion
Occlussion
 
Dental Occlusion
Dental OcclusionDental Occlusion
Dental Occlusion
 
OCCLUSION
OCCLUSIONOCCLUSION
OCCLUSION
 
Class-Concept of occlusion O.ppt
Class-Concept of occlusion O.pptClass-Concept of occlusion O.ppt
Class-Concept of occlusion O.ppt
 
Artificial Teeth Arrangement
Artificial Teeth ArrangementArtificial Teeth Arrangement
Artificial Teeth Arrangement
 
8 - setting of teeth for class I, II and II arch relation ship (Edited)
8 - setting of teeth for  class I, II and II arch relation ship (Edited)8 - setting of teeth for  class I, II and II arch relation ship (Edited)
8 - setting of teeth for class I, II and II arch relation ship (Edited)
 
Age determination
Age determinationAge determination
Age determination
 
تشريح أسنان محاضرة 2
تشريح أسنان محاضرة 2 تشريح أسنان محاضرة 2
تشريح أسنان محاضرة 2
 
Difference between primary and permanent teeth
Difference between primary and permanent teethDifference between primary and permanent teeth
Difference between primary and permanent teeth
 
Development of occlusion
Development of occlusion Development of occlusion
Development of occlusion
 
6- Prosthetic Problems and possible solutions in Setting –up of teeth for ske...
6- Prosthetic Problems and possible solutions in Setting –up of teeth for ske...6- Prosthetic Problems and possible solutions in Setting –up of teeth for ske...
6- Prosthetic Problems and possible solutions in Setting –up of teeth for ske...
 
P3 Setting of teeth
P3 Setting of teethP3 Setting of teeth
P3 Setting of teeth
 
Introduction to cavity preparation and materials.pptx
Introduction to cavity preparation and materials.pptxIntroduction to cavity preparation and materials.pptx
Introduction to cavity preparation and materials.pptx
 
Introduction to cavity preparation and materials.pptx
Introduction to cavity preparation and materials.pptxIntroduction to cavity preparation and materials.pptx
Introduction to cavity preparation and materials.pptx
 

More from KhanMustafa3

analysi of records.pptx a topic of orthodontics
analysi of records.pptx a topic of orthodonticsanalysi of records.pptx a topic of orthodontics
analysi of records.pptx a topic of orthodontics
KhanMustafa3
 
adult orthodontics.pptx by contemporary orthodontics
adult orthodontics.pptx by contemporary  orthodonticsadult orthodontics.pptx by contemporary  orthodontics
adult orthodontics.pptx by contemporary orthodontics
KhanMustafa3
 
analysis of records.pptx
analysis of records.pptxanalysis of records.pptx
analysis of records.pptx
KhanMustafa3
 
Traumatic displacement of teeth.pdf
Traumatic displacement of teeth.pdfTraumatic displacement of teeth.pdf
Traumatic displacement of teeth.pdf
KhanMustafa3
 
orthopaedicappliances-140330124348-phpapp01.pdf
orthopaedicappliances-140330124348-phpapp01.pdforthopaedicappliances-140330124348-phpapp01.pdf
orthopaedicappliances-140330124348-phpapp01.pdf
KhanMustafa3
 
intro, types and alternativ .pptx
intro, types and alternativ .pptxintro, types and alternativ .pptx
intro, types and alternativ .pptx
KhanMustafa3
 

More from KhanMustafa3 (6)

analysi of records.pptx a topic of orthodontics
analysi of records.pptx a topic of orthodonticsanalysi of records.pptx a topic of orthodontics
analysi of records.pptx a topic of orthodontics
 
adult orthodontics.pptx by contemporary orthodontics
adult orthodontics.pptx by contemporary  orthodonticsadult orthodontics.pptx by contemporary  orthodontics
adult orthodontics.pptx by contemporary orthodontics
 
analysis of records.pptx
analysis of records.pptxanalysis of records.pptx
analysis of records.pptx
 
Traumatic displacement of teeth.pdf
Traumatic displacement of teeth.pdfTraumatic displacement of teeth.pdf
Traumatic displacement of teeth.pdf
 
orthopaedicappliances-140330124348-phpapp01.pdf
orthopaedicappliances-140330124348-phpapp01.pdforthopaedicappliances-140330124348-phpapp01.pdf
orthopaedicappliances-140330124348-phpapp01.pdf
 
intro, types and alternativ .pptx
intro, types and alternativ .pptxintro, types and alternativ .pptx
intro, types and alternativ .pptx
 

Recently uploaded

Instructions for Submissions thorugh G- Classroom.pptx
Instructions for Submissions thorugh G- Classroom.pptxInstructions for Submissions thorugh G- Classroom.pptx
Instructions for Submissions thorugh G- Classroom.pptx
Jheel Barad
 
special B.ed 2nd year old paper_20240531.pdf
special B.ed 2nd year old paper_20240531.pdfspecial B.ed 2nd year old paper_20240531.pdf
special B.ed 2nd year old paper_20240531.pdf
Special education needs
 
The Roman Empire A Historical Colossus.pdf
The Roman Empire A Historical Colossus.pdfThe Roman Empire A Historical Colossus.pdf
The Roman Empire A Historical Colossus.pdf
kaushalkr1407
 
678020731-Sumas-y-Restas-Para-Colorear.pdf
678020731-Sumas-y-Restas-Para-Colorear.pdf678020731-Sumas-y-Restas-Para-Colorear.pdf
678020731-Sumas-y-Restas-Para-Colorear.pdf
CarlosHernanMontoyab2
 
Mule 4.6 & Java 17 Upgrade | MuleSoft Mysore Meetup #46
Mule 4.6 & Java 17 Upgrade | MuleSoft Mysore Meetup #46Mule 4.6 & Java 17 Upgrade | MuleSoft Mysore Meetup #46
Mule 4.6 & Java 17 Upgrade | MuleSoft Mysore Meetup #46
MysoreMuleSoftMeetup
 
Lapbook sobre os Regimes Totalitários.pdf
Lapbook sobre os Regimes Totalitários.pdfLapbook sobre os Regimes Totalitários.pdf
Lapbook sobre os Regimes Totalitários.pdf
Jean Carlos Nunes Paixão
 
The geography of Taylor Swift - some ideas
The geography of Taylor Swift - some ideasThe geography of Taylor Swift - some ideas
The geography of Taylor Swift - some ideas
GeoBlogs
 
Acetabularia Information For Class 9 .docx
Acetabularia Information For Class 9  .docxAcetabularia Information For Class 9  .docx
Acetabularia Information For Class 9 .docx
vaibhavrinwa19
 
Language Across the Curriculm LAC B.Ed.
Language Across the  Curriculm LAC B.Ed.Language Across the  Curriculm LAC B.Ed.
Language Across the Curriculm LAC B.Ed.
Atul Kumar Singh
 
Welcome to TechSoup New Member Orientation and Q&A (May 2024).pdf
Welcome to TechSoup   New Member Orientation and Q&A (May 2024).pdfWelcome to TechSoup   New Member Orientation and Q&A (May 2024).pdf
Welcome to TechSoup New Member Orientation and Q&A (May 2024).pdf
TechSoup
 
A Strategic Approach: GenAI in Education
A Strategic Approach: GenAI in EducationA Strategic Approach: GenAI in Education
A Strategic Approach: GenAI in Education
Peter Windle
 
CLASS 11 CBSE B.St Project AIDS TO TRADE - INSURANCE
CLASS 11 CBSE B.St Project AIDS TO TRADE - INSURANCECLASS 11 CBSE B.St Project AIDS TO TRADE - INSURANCE
CLASS 11 CBSE B.St Project AIDS TO TRADE - INSURANCE
BhavyaRajput3
 
Adversarial Attention Modeling for Multi-dimensional Emotion Regression.pdf
Adversarial Attention Modeling for Multi-dimensional Emotion Regression.pdfAdversarial Attention Modeling for Multi-dimensional Emotion Regression.pdf
Adversarial Attention Modeling for Multi-dimensional Emotion Regression.pdf
Po-Chuan Chen
 
Unit 8 - Information and Communication Technology (Paper I).pdf
Unit 8 - Information and Communication Technology (Paper I).pdfUnit 8 - Information and Communication Technology (Paper I).pdf
Unit 8 - Information and Communication Technology (Paper I).pdf
Thiyagu K
 
Model Attribute Check Company Auto Property
Model Attribute  Check Company Auto PropertyModel Attribute  Check Company Auto Property
Model Attribute Check Company Auto Property
Celine George
 
Supporting (UKRI) OA monographs at Salford.pptx
Supporting (UKRI) OA monographs at Salford.pptxSupporting (UKRI) OA monographs at Salford.pptx
Supporting (UKRI) OA monographs at Salford.pptx
Jisc
 
Embracing GenAI - A Strategic Imperative
Embracing GenAI - A Strategic ImperativeEmbracing GenAI - A Strategic Imperative
Embracing GenAI - A Strategic Imperative
Peter Windle
 
BÀI TẬP BỔ TRỢ TIẾNG ANH GLOBAL SUCCESS LỚP 3 - CẢ NĂM (CÓ FILE NGHE VÀ ĐÁP Á...
BÀI TẬP BỔ TRỢ TIẾNG ANH GLOBAL SUCCESS LỚP 3 - CẢ NĂM (CÓ FILE NGHE VÀ ĐÁP Á...BÀI TẬP BỔ TRỢ TIẾNG ANH GLOBAL SUCCESS LỚP 3 - CẢ NĂM (CÓ FILE NGHE VÀ ĐÁP Á...
BÀI TẬP BỔ TRỢ TIẾNG ANH GLOBAL SUCCESS LỚP 3 - CẢ NĂM (CÓ FILE NGHE VÀ ĐÁP Á...
Nguyen Thanh Tu Collection
 
Francesca Gottschalk - How can education support child empowerment.pptx
Francesca Gottschalk - How can education support child empowerment.pptxFrancesca Gottschalk - How can education support child empowerment.pptx
Francesca Gottschalk - How can education support child empowerment.pptx
EduSkills OECD
 
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
siemaillard
 

Recently uploaded (20)

Instructions for Submissions thorugh G- Classroom.pptx
Instructions for Submissions thorugh G- Classroom.pptxInstructions for Submissions thorugh G- Classroom.pptx
Instructions for Submissions thorugh G- Classroom.pptx
 
special B.ed 2nd year old paper_20240531.pdf
special B.ed 2nd year old paper_20240531.pdfspecial B.ed 2nd year old paper_20240531.pdf
special B.ed 2nd year old paper_20240531.pdf
 
The Roman Empire A Historical Colossus.pdf
The Roman Empire A Historical Colossus.pdfThe Roman Empire A Historical Colossus.pdf
The Roman Empire A Historical Colossus.pdf
 
678020731-Sumas-y-Restas-Para-Colorear.pdf
678020731-Sumas-y-Restas-Para-Colorear.pdf678020731-Sumas-y-Restas-Para-Colorear.pdf
678020731-Sumas-y-Restas-Para-Colorear.pdf
 
Mule 4.6 & Java 17 Upgrade | MuleSoft Mysore Meetup #46
Mule 4.6 & Java 17 Upgrade | MuleSoft Mysore Meetup #46Mule 4.6 & Java 17 Upgrade | MuleSoft Mysore Meetup #46
Mule 4.6 & Java 17 Upgrade | MuleSoft Mysore Meetup #46
 
Lapbook sobre os Regimes Totalitários.pdf
Lapbook sobre os Regimes Totalitários.pdfLapbook sobre os Regimes Totalitários.pdf
Lapbook sobre os Regimes Totalitários.pdf
 
The geography of Taylor Swift - some ideas
The geography of Taylor Swift - some ideasThe geography of Taylor Swift - some ideas
The geography of Taylor Swift - some ideas
 
Acetabularia Information For Class 9 .docx
Acetabularia Information For Class 9  .docxAcetabularia Information For Class 9  .docx
Acetabularia Information For Class 9 .docx
 
Language Across the Curriculm LAC B.Ed.
Language Across the  Curriculm LAC B.Ed.Language Across the  Curriculm LAC B.Ed.
Language Across the Curriculm LAC B.Ed.
 
Welcome to TechSoup New Member Orientation and Q&A (May 2024).pdf
Welcome to TechSoup   New Member Orientation and Q&A (May 2024).pdfWelcome to TechSoup   New Member Orientation and Q&A (May 2024).pdf
Welcome to TechSoup New Member Orientation and Q&A (May 2024).pdf
 
A Strategic Approach: GenAI in Education
A Strategic Approach: GenAI in EducationA Strategic Approach: GenAI in Education
A Strategic Approach: GenAI in Education
 
CLASS 11 CBSE B.St Project AIDS TO TRADE - INSURANCE
CLASS 11 CBSE B.St Project AIDS TO TRADE - INSURANCECLASS 11 CBSE B.St Project AIDS TO TRADE - INSURANCE
CLASS 11 CBSE B.St Project AIDS TO TRADE - INSURANCE
 
Adversarial Attention Modeling for Multi-dimensional Emotion Regression.pdf
Adversarial Attention Modeling for Multi-dimensional Emotion Regression.pdfAdversarial Attention Modeling for Multi-dimensional Emotion Regression.pdf
Adversarial Attention Modeling for Multi-dimensional Emotion Regression.pdf
 
Unit 8 - Information and Communication Technology (Paper I).pdf
Unit 8 - Information and Communication Technology (Paper I).pdfUnit 8 - Information and Communication Technology (Paper I).pdf
Unit 8 - Information and Communication Technology (Paper I).pdf
 
Model Attribute Check Company Auto Property
Model Attribute  Check Company Auto PropertyModel Attribute  Check Company Auto Property
Model Attribute Check Company Auto Property
 
Supporting (UKRI) OA monographs at Salford.pptx
Supporting (UKRI) OA monographs at Salford.pptxSupporting (UKRI) OA monographs at Salford.pptx
Supporting (UKRI) OA monographs at Salford.pptx
 
Embracing GenAI - A Strategic Imperative
Embracing GenAI - A Strategic ImperativeEmbracing GenAI - A Strategic Imperative
Embracing GenAI - A Strategic Imperative
 
BÀI TẬP BỔ TRỢ TIẾNG ANH GLOBAL SUCCESS LỚP 3 - CẢ NĂM (CÓ FILE NGHE VÀ ĐÁP Á...
BÀI TẬP BỔ TRỢ TIẾNG ANH GLOBAL SUCCESS LỚP 3 - CẢ NĂM (CÓ FILE NGHE VÀ ĐÁP Á...BÀI TẬP BỔ TRỢ TIẾNG ANH GLOBAL SUCCESS LỚP 3 - CẢ NĂM (CÓ FILE NGHE VÀ ĐÁP Á...
BÀI TẬP BỔ TRỢ TIẾNG ANH GLOBAL SUCCESS LỚP 3 - CẢ NĂM (CÓ FILE NGHE VÀ ĐÁP Á...
 
Francesca Gottschalk - How can education support child empowerment.pptx
Francesca Gottschalk - How can education support child empowerment.pptxFrancesca Gottschalk - How can education support child empowerment.pptx
Francesca Gottschalk - How can education support child empowerment.pptx
 
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
 

Andrew 6 keys of occlusion-1.pptx orthodontics

  • 1. D R Z A F A R U L I S L A M A S S O C I A T E P R O F E S S O R O R T H O D O N T I C S ANDREW’S SIX KEYS OF OCCLUSION
  • 2. SIX KEYS OF OCCLUSION 1. MOLAR RELATIONSHIP 2. ROTATIONS OF TEETH 3. SPACING OF TEETH 4. TOOTH INCLINATION 5. TOOTH ANGULATION 6. CURVE OF SPEE
  • 3. MOLAR RELATION  Molars in class I relation  The mesiobuccal cusp of maxillary first permanent molar should occlude in the buccal groove of mandibular first permanent molar
  • 4. Rotations of teeth  Their should be no rotations of teeth
  • 5. Spacing of Teeth  There should be no spacing in the teeth
  • 6. Tooth Inclinations  Also called torque of teeth  The teeth should be ideally inclinated buccolingually/palatally  12, 8, -1, -7, -7, -14, -14  -1, -1, -11, -17, -22, -30, - 30
  • 7. Teeth Angulations  Also called TIP  The teeth should be ideally angulated mesiodistally  5, 9, 13, 0, 0, 0, 0  0, 0, 7, 0, 0, 0, 0
  • 8. Curve of Spee  A curve passing along the buccal cusps of posterior teeth and incisal edges of anterior teeth  Curve of spee should be flat or slightly concave
  • 9. 7TH KEY OF OCCLUSSION  Bennet and Mc Laughlin  There should be no Bolton discrepancy