39. Disturbances of teeth numbers. Clinical manifestation, diagnosis, prevention, treatment

Question 1

Disturbances of teeth numbers. Clinical manifestation, diagnosis

Clinical implications of disturbances in tooth number

Answer 1

• Predisposition to malocclusion=>
• Crowding, spacing, and misalignment of teeth=>
• Difficulties in chewing, speech issues, increased risk of dental caries and periodontal disease

Question 2

Disturbances of teeth numbers. Clinical manifestation, diagnosis

Supernumerary teeth

Answer 2

• Extra teeth beyond normal complement of teeth in dental arch
• Abnormal morphology=>
• Smaller
• Cause delayed eruption, misalignment, crowding
• More common in permanent dentition and in maxilla
• If extra teeth resemble normal teeth in size and shape=>supplemental teeth

Question 3

Disturbances of teeth numbers. Clinical manifestation, diagnosis

Supernumerary teeth classifications

Answer 3

• Classification by Morphology
• Classification by Location

Question 4

Disturbances of teeth numbers. Clinical manifestation, diagnosis

Supernumerary teeth classification by morphology

Answer 4

1. Rudimentary=>
   * Abnormal shape and size, often small and misshapen
   * Conical=>
   * Peg-shaped, commonly found as mesiodens
   * Tuberculate=>
   * Barrel-shaped
   * Molariform=>
   * Resembling small molar or premolar
2. Supplemental=>
   * Normal size and shape, resembling regular tooth
   * Commonly maxillary laterals
3. Odontome=>
   * Hamartomas=>
   * Benign growths of dental tissue

Question 5

Disturbances of teeth numbers. Clinical manifestation, diagnosis

Supernumerary teeth classification by location

Answer 5

• Mesiodens=>
• Between maxillary central incisors
• Most common type
• Distomolars=>
• Distal to the third molars.
• Paramolar=>
• Buccally or lingually to molar=>
• Often between first and second or second and third molars

Question 6

Disturbances of teeth numbers. Clinical manifestation, diagnosis

Question 7

Disturbances of teeth numbers. Clinical manifestation, diagnosis

Question 8

Disturbances of teeth numbers. Clinical manifestation, diagnosis

Question 9

Disturbances of teeth numbers. Clinical manifestation, diagnosis

Question 10

Disturbances of teeth numbers. Clinical manifestation, diagnosis

Question 11

Disturbances of teeth numbers. Clinical manifestation, diagnosis