Dental Sealants and Root Canal Files

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What is the correct term for Class II malocclusion?

Retrusoclusion
Distoclusion (correct)
Mesialocclusion
Prognathocclusion

Which of the following is NOT a developmental cause of orthodontic problems?

Supernumerary teeth
Ectopic eruption
Malocclusion correction (correct)
Congenitally missing teeth

What is hypocalcification?

Calcium deficiency in the diet
Overgrowth of tooth enamel
Excessive calcium intake
Defective enamel mineralization (correct)

What is the purpose of the Charters brushing method?

To remove plaque effectively (C) Signup and view all the answers

Which of the following instructions should be given to a patient after an orthodontic appliance has been placed?

Avoid sticky foods and hard foods (B) Signup and view all the answers

What are the primary instruments used to cement the orthodontic band?

Band pusher and band seater (C) Signup and view all the answers

What is the main function of an orthodontic positioner?

Retain teeth in their desired position (A) Signup and view all the answers

Why should patients with orthodontic appliances avoid sticky foods?

Sticky foods can cause the arch wires to bend or break (B) Signup and view all the answers

How are arch wires held to brackets in orthodontic treatment?

With ligatures or elastomeric ties (A) Signup and view all the answers

What do bonded brackets do in orthodontic treatment?

Fasten an arch wire to each tooth (D) Signup and view all the answers

Are braces considered fixed or removable appliances?

Fixed (A) Signup and view all the answers

How does severe malocclusion impact a patient's self-esteem?

By affecting appearance and social interactions (C) Signup and view all the answers

Why is it important to clean the pit and fissures prior to sealant application?

To remove debris and bacteria that could interfere with the sealant bonding (C) Signup and view all the answers

What is the purpose of using an etchant on the pit and fissures before sealant application?

To create a rough surface for better mechanical retention of the sealant (B) Signup and view all the answers

How does the enamel look like after the etchant application?

Roughened and frosty in appearance (C) Signup and view all the answers

Why is sealant application not very common among children?

Due to children's difficulty in keeping the area dry during application (A) Signup and view all the answers

Which type of sealant polymerization method does not require mixing before application?

Light-cured sealants (A) Signup and view all the answers

What is the main reason pits and fissures are considered ideal places for the accumulation of food and bacteria?

Their narrow width and uneven depth (A) Signup and view all the answers

Which of the following is NOT a contraindication to sealant application according to the text?

Sufficiently erupted teeth (C) Signup and view all the answers

What type of problem might occur during sealant application if the material blocks the contact area?

Sealant is high in the bite (A) Signup and view all the answers

Can sealant be applied to primary teeth expected to be lost soon based on the text?

No, never (C) Signup and view all the answers

What is one factor mentioned in the text that can cause a sealant to fail?

Improper polymerization method (A) Signup and view all the answers

What is the purpose of cleaning the surface before applying a dental sealant?

To roughen the enamel for better sealant penetration (B) Signup and view all the answers

Why is isolation of the field important during sealant application?

To avoid contamination and ensure proper adhesion of the sealant (D) Signup and view all the answers

What is the purpose of etching the enamel with 37% phosphoric acid?

To open the pores in the enamel for better penetration of the sealant (C) Signup and view all the answers

Why is it important to use a curing light during sealant application?

To harden or cure the sealant material (A) Signup and view all the answers

Which type of teeth are indicated for dental sealants?

Teeth with deep pits and fissures (C) Signup and view all the answers

What is the purpose of using an articulating paper during sealant application?

To mark high points on the tooth surface for adjustments (C) Signup and view all the answers