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Classification of Occlusion

1 CE Credit

You will receive 1 unit of continuing education credit upon successful completion of this course.

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ADA Member: $28.00
Nonmember: $42.00
Dental Team Member: $15.00

Author:

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Spiro J. Chaconas

Learning Objectives:

Upon completion of this course, participants should be able to do the following: 
  1. Understand the importance of classifying different occlusions.
  2. Describe the dental characteristics of various occlusions.
  3. Describe the skeletal characteristics of various occlusions.
  4. Identify the facial profile as it relates to maxillomandibular relationship.
  5. Correlate facial type with different interarch discrepancies.
  6. Correlate arch form with different interarch discrepancies.

Abstract:

Very few people have a perfect occlusion. Therefore, it is important for the dental professional to determine which malocclusion needs some type of treatment to prevent an occlusion from becoming pathologic. Certain malocclusions have specific common characteristics. Since it is the characteristics of each malocclusion that are treated, it is important to understand the characteristics as thoroughly as possible. This is true no matter what phase of dentistry the clinician attempts to perform. By classifying something, it is easier to communicate certain information to the patients, as well as to other members of the dental profession.

Outline:

I  Introduction

 

II  Interach Discrepancies

 

A.      Class I

B.      Class II Division 1

C.      Class II Division 2

D.      Class III

 

III Profile, Facial, and Dental Arch Characteristics

 

A.      Profile

B.      Facial and Dental Arch Characteristics

1.       Mesofacial

2.       Dolichofacial

3.       Brachyfacial

References:

  1. Grewe JM, Hagan DV. Malocclusion indices: a comparative evaluation. Am J Orthod 1972; 61:286-294.
  2. Ackerman JJ, Proffit WR. The characteristics of malocclusion: modern approach to classification and diagnosis. Am J Orthod 1969; 56:443-454.  
  3. Angle EH. Classification of malocclusion. Dent Cosmos 1899; 41:248-264, 350-357.
  4. Broadbent BH. A new x-ray technique and its application to orthodontia. Angle Orthod 1931; 1:45-66.
  5. Nance HN. The limitations of orthodontic treatment, part I. Am J Orthod 1947; 33:177-223. 
  6. Nance HN. The limitations of orthodontic treatment, part II. Am J Orthod 1947; 33:253-301. 
  7. Graber TM. The three “M’s”: muscles, malformation and malocclusion. Am J Orthod 1963; 49:418-450. 
  8. Chaconas SJ, Gonidis D. A cephalometric technique for prosthetic diagnosis and treatment planning. Am J Prosth 1986; 56:567-574 
  9. Graber TM. Overbite – the dentist’s challenge. JADA 1969; 79:1135-1145. 
  10. Merideth HD, Higby LB. Relationships between dental arch widths and widths of the face  
    and head. Am J Orthod 1951; 37:193-204.

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