Soace Maintainer 1

Question 1

What is the importance of primary teeth in pediatric dentistry?

Answer 1

Act as a guide for the permanent tooth that replaces it.

Question 2

What percentage of children have spacing in their primary dentition?

Answer 2

40%.

Question 3

What is the purpose of generalized spacing in primary dentition?

Answer 3

Allows for adequate space for the permanent dentition.

Question 4

What are Primate Spaces?

Answer 4

Spaces seen in primary dentition, with an incidence of 70% in maxillary and 63% in mandibular.

Question 5

What is the Early Mesial Shift?

Answer 5

Mesial migration of the erupting mandibular permanent molar using the mandibular primate space.

Question 6

At what age does the Early Mesial Shift typically occur?

Answer 6

Around 6 years of age.

Question 7

What is the Late Mesial Shift?

Answer 7

Mesial migration of erupted mandibular permanent molar after the loss of the primary second molar.

Question 8

What is the Leeway Space?

Answer 8

Extra space created because premolars are smaller than the primary teeth they replace.

Question 9

What are the three types of occlusal relationships of primary teeth?

Answer 9

• Straight terminal plane * Mesial Step * Distal Step

Question 10

What can cause premature loss of primary teeth?

Answer 10

• Extraction due to caries or injury * Premature exfoliation due to abnormal root resorption * Congenital absence

Question 11

What is a space maintainer?

Answer 11

An appliance that keeps the space open until the permanent tooth comes in.

Question 12

What is the definition of arch length?

Answer 12

The distance from the distal surface of the second primary molar to the same surface on the opposite side.

Question 13

What are the methods for determining arch length adequacy?

Answer 13

• Nance analysis * Moyer analysis * Tanaka and Johnston analysis * Hixon and Oldfather * Kaplan, Smith and Kenarkf * Bishara and Staley

Question 14

What is the sequence of serial extraction?

Answer 14

• Extract deciduous canines * Extract first deciduous molars * Extract first premolars * Extract second deciduous molars

Question 15

What are the functions of a space maintainer?

Answer 15

• Maintain space * Prevent movement of adjacent teeth * Prevent overeruption of opposing teeth * Improve esthetics * Assist in speech

Question 16

What are the ideal prerequisites of a space maintainer?

Answer 16

• Simple to construct * Durable and strong * Passive * Easily cleanable * Readily adjustable

Question 17

When is a space maintainer indicated?

Answer 17

• Premature loss of primary molars * Loss of primary canine

Question 18

What are the classifications of space maintainers?

Answer 18

• Removable * Fixed * Semi-fixed

Question 19

What are the types of fixed space maintainers?

Answer 19

• Band and loop * Crown and loop * Lingual arch * Nance appliance

Question 20

What factors should be considered when planning a space maintainer?

Answer 20

• Time elapsed since loss of primary tooth * Dental and periodontal condition * Arch length * Age * Presence/absence of permanent successor

Question 21

What are the indications for a Band and Loop space maintainer?

Answer 21

• Loss of primary molar during eruption of first permanent molar * Loss of two posterior teeth

Question 22

What are the advantages of the Band and Loop space maintainer?

Answer 22

• Easy to construct * Inexpensive * Non-invasive * Allows eruption of permanent tooth

Question 23

What are the disadvantages of the Band and Loop space maintainer?

Answer 23

• Does not restore masticatory function * Does not prevent extrusion of opposing dentition

Question 24

What are the indications for a Lingual Arch space maintainer?

Answer 24

• Premature loss of primary posterior teeth * Base for aesthetic restoration in loss of anterior teeth

Question 25

What are the advantages of the Lingual Arch space maintainer?

Answer 25

* Maintains esthetic arch form * Not easily displaced * Easily cleaned

Question 26

What are the indications for a Nance appliance?

Answer 26

Used for multiple tooth loss in the maxillary arch.

Question 27

What are the adverse effects of space maintainers?

Answer 27

* Dislodged appliances * Plaque accumulation * Interference with successor eruption

Question 28

What should parents be informed about regarding space maintainers?

Answer 28

* Requires monitoring * Must maintain adequate oral hygiene * Appliance may break

Question 29

True or False: The premature loss of primary incisors usually requires the maintenance of space.

Answer 29

False.

Question 30

What is the purpose of a space regainer?

Answer 30

To prevent future space loss and dental problems ## Footnote Space regainers are used in orthodontics to maintain or create space for teeth that are in the process of erupting or have been lost.

Question 31

True or False: Extensive orthodontic treatment may be required if teeth are not properly aligned.

Answer 31

True ## Footnote Misalignment of teeth can lead to various dental issues that may necessitate comprehensive orthodontic care.

Question 32

Fill in the blank: A space regainer is used to _______.

Answer 32

[prevent future space loss] ## Footnote This device helps maintain the dental arch's integrity during orthodontic treatment.

Question 33

What can be a consequence of not using a space regainer?

Answer 33

Future space loss and dental problems ## Footnote Failure to maintain space can lead to complications in tooth alignment and positioning.

Question 34

What type of treatment can move teeth back in place?

Answer 34

Orthodontic treatment ## Footnote Orthodontics involves various methods, including braces and aligners, to correct tooth positioning.