Retainers in FPD

What is the role of a retainer in fixed partial dentures?

• To color teeth

• To extract teeth

• To clean teeth

• To provide resistance against forces

What are the requirements of a retainer?

• Withstand biting forces, remove tooth decay, cause pulp damage, improve speech

• Withstand grinding forces, restore gum anatomy, avoid pulp damage, improve taste

• Withstand chewing forces, reshape tooth anatomy, harm the pulp, enhance smell

• Withstand masticatory forces, restore tooth anatomy, not harm the pulp, improve aesthetics

What are the uses of a retainer?

• Improve masticatory efficiency, establish contact points, correct misalignment, prevent teeth drifting

• Strengthen enamel, reduce cavities, improve breath, align teeth

• Prevent cavities, reduce plaque, enhance taste, align jaw

• Whiten teeth, remove plaque, reduce sensitivity, enhance appearance

How is the selection of a retainer dictated?

• By factors like age, abutment vitality, arch position, oral hygiene status

• By factors like pet preference, favorite color, favorite sport, music instrument played

• By factors like hair color, shoe size, favorite food, music preference

• By factors like eye color, height, shoe brand, favorite movie genre

What is the classification of retainers based on type of preparation?

• Metal retainers, plastic retainers, ceramic retainers, composite retainers

• Front retainers, back retainers, left retainers, right retainers

• Upper retainers, lower retainers, full retainers, partial retainers

• Intra coronal retainers, extra coronal retainers, radicular retainers

What is the main role of a retainer in fixed partial dentures?

• Prevent gum disease

• Provide retention and resistance against dislodging forces

• Enhance tooth color

• Improve speech clarity

What are the requirements a retainer should meet?

• Withstand grinding forces, restore gum anatomy, avoid pulp damage, improve taste

• Withstand chewing forces, reshape tooth anatomy, harm the pulp, enhance smell

• Withstand biting forces, remove tooth decay, cause pulp damage, improve speech

• Withstand masticatory forces, restore tooth anatomy, not harm the pulp, improve aesthetics

What are the uses of a retainer in fixed partial dentures?

• Prevent cavities, reduce plaque, enhance taste, align jaw

• Improve masticatory efficiency, establish contact points, correct misalignment, prevent teeth drifting

• Strengthen enamel, reduce cavities, improve breath, align teeth

• Whiten teeth, remove plaque, reduce sensitivity, enhance appearance

How is the selection of a retainer determined?

• By factors like pet preference, favorite color, favorite sport, music instrument played

• By factors like eye color, height, shoe brand, favorite movie genre

• By factors like hair color, shoe size, favorite food, music preference

• By factors like age, abutment vitality, arch position, oral hygiene status

What is the classification of retainers based on the type of preparation?

• Intra coronal retainers, extra coronal retainers, radicular retainers

• Front retainers, back retainers, left retainers, right retainers

• Upper retainers, lower retainers, full retainers, partial retainers

• Metal retainers, plastic retainers, ceramic retainers, composite retainers