opath quiz 1

Microdontia refers to:

• Missing teeth

• Enlarged dentition

• Smaller than normal teeth

• Extra cusp formation

A single tooth bud attempting to divide results in:

• Fusion

• Concrescence

• Gemination

• Dens invaginatus

The condition where two developing tooth germs unite:

• Fusion

• Gemination

• Concrescence

• Dens evaginatus

Concrescence involves union of teeth by:

• Enamel

• Cementum

• Dentin

• Pulp

Dens invaginatus is also known as:

• Bull teeth

• Talon cusp

• Tooth within a tooth

• Shell tooth

A talon’s cusp is most commonly found on the:

• Posterior teeth

• Buccal of molars

• Lingual of anterior teeth

• Root surfaces

Taurodontism is also known as:

• Shell tooth

• Bull tooth

• Rootless tooth

• Ghost tooth

The most common site of enamel pearls is:

• Maxillary 3rd molars

• Cervical region of molars

• Lingual of incisors

• Occlusal surface of premolars

Attrition is caused by:

• Non-bacterial chemicals

• Brushing habits

• Mastication

• Tooth malformation

Abrasion is tooth wear due to:

• Physiologic function

• Developmental defect

• Flexural forces

• Abnormal habits or substances