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Seminar Orthodontics Question 2. Group 4: Marshitah Ab Wahid 1090040 Mohd Azizul Mohd Atan 1090042 Nur Amalina Zulkepre 1090044 Nurmarzura Abdul Latif 1090045 Nurul Asmat Abdul Rahman 1090048 Syafiqah Nadhirah Iskandar 1090049 Ahmad Fais Hj Mohd Abd Rasid 1090312.

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Seminar orthodontics question 2

Seminar OrthodonticsQuestion 2

Group 4:

MarshitahAb Wahid 1090040

MohdAzizulMohdAtan 1090042

NurAmalinaZulkepre 1090044

Nurmarzura Abdul Latif 1090045

NurulAsmat Abdul Rahman 1090048

SyafiqahNadhirahIskandar 1090049

Ahmad FaisHjMohdAbdRasid 1090312


Methods of recording malocclusion-qualitative, quantitative-intra-arch, inter-arch problem including classification of malocclusion


Introduction
Introduction

  • The methods of recording and measuring malocclusion can be broadly divided into two types: qualitative and quantitative.

  • Qualitative evaluation of malocclusion was attempted before quantitative methods.

  • Definition (Qualitative):

    It is a descriptive classification and it does not provide any information of the treatment need and outcome.


Qualitative
Qualitative

  • Angle’s method (1899) of classifying malocclusion with or without modifications

  • Stallard (1932)

  • Mc Call (1944)

  • Sclare (1945)

  • Fisk (1960)

  • Bjork, Krebs ans Solow (1964)

  • Proffit and Ackerman (1973)

  • WHO/FDI (1979)



Malocclusion classification based on intra arch proble m

Malocclusion: Classification based on intra-arch problem

Intra-arch problems: malpositions of individual or group of teeth in the same arch

i. Sagittalproblems

Labioversion

Linguoversion

Mesioversion

Distoversion

ii. Transverse problems

Crowding

Spacing

Linguoversion

Buccoversion

iii. Vertical problems

Supraversion

Infraversion

iv. Rotated teeth

v. Transposition of teeth


Intra arch problems
Intra-arch problems

  • Labioversion :A tooth that has assumed a position labial to normal

  • Lingoversion: Position lingual to normal





Classification of crowding

Classification of crowding

Mild = <4mm

Moderate = 4-8mm

Severe = > or equal to 8mm


Reference
Reference

  • Hassan R, Rahimah AK,2007; Review Article; Occlusion, malocclusion and method of measurements-an overview.

  • Anirudh Agarwal, Rinku Mathur, 2012, An Overview of Orthodontic Indices


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