adult orthodontics Flashcards

1
Q

What are the differences from ortho in children, in adults?

A

Lack of growth
Periodontal disease
Missing and heavily restored teeth
Physiological factors
Adult motivation

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2
Q

How does lack of growth affect ortho in adults?

A

Growth modification not possible - must accept skeletal discrepancy or have surgery
OB correction more difficult - may need tooth intrusion
Mid palatal suture is closed - can only expand maxillary base with surgery

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3
Q

How can periodontal issues affect ortho?

A

Loss of support leads to tooth centre of rotation moving apically and anchorage value reducing

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4
Q

Can a patient still get ortho if they have periodontal disease?

A

Previous support loss - they can still have tx
Active perio disease - they cannot have tx

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5
Q

How can missing and restored teeth affect ortho?

A

Tooth loss leads to drifting and tilting of teeth
Restored teeth can complicate bonding
RCT teeth okay if obturated correctly and symptomless

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6
Q

How motivated are adults for ortho?

A

Often very well motivated
May request aesthetic appliances

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7
Q

How may ortho be used as an adjunctive to restorative treatment?

A

Upright abutments to aid bridges, dentures and implants by creating a path of insertion
Intrusion of over-erupted teeth
Extrusion to increase crown length

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8
Q

How may ortho be used as an adjunctive to perio treatment?

A

May see tooth migration in perio
May see proclined incisors, spacing and an increased OB in perio

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9
Q

How is ortho used as an adjunctive to orthognathic surgery?

A

Assessment and planning - orthodontist, maxillofacial surgeon, technologist and clinical psychologist
Pre-surgical orthodontics - align and coordinate dental arches and decompensate incisors
Surgery
Post-surgical orthodontics

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10
Q

What type of brackets may be used for a more aesthetic appearance?

A

Ceramic

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11
Q

Describe lingual appliances?

A

Technically challenging to adjust
Custom brackets made after scanning the teeth
Indirect bonding - brackets loaded into pressure formed retainer and put on all in one go
Expensive

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12
Q

What is aligner technology?

A

Removable aligners eg - Invisalign
Attach composite to tooth through slot in trays, this then applies a slight force to the teeth

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13
Q

What is an Inman aligner?

A

Removable appliance to align teeth - not really used nowadays

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14
Q

What should the majority of adult patients receive after ortho treatment?

A

A fixed retainer and a thermoplastic retainer

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15
Q

What is Cfast?

A

Brackets and archwire used by GDP to align anterior teeth
However - all pts need to be adequately assessed and given all tx options - specialist opinion good idea

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