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The Orthodontic Fixed and Removable Appliances. Dr. Saleh Ahmed Alwadie ., BDS, BSC. General dentist and Dental Orthodontic Technologist . KFSH&RC KSA

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Page 1: The orthodontic fixed and removable appliances

The Orthodontic Fixed and Removable Appliances.

Dr. Saleh Ahmed Alwadie ., BDS, BSC. General dentist and Dental Orthodontic Technologist .KFSH&RCKSA

Page 2: The orthodontic fixed and removable appliances

What is Orthodontics?

A special discipline of dentistry concerned with aligning the teeth and oral health .Ortho: correctOdont: tooth

Page 3: The orthodontic fixed and removable appliances

Fixed Appliance. a mechanical device cemented to the teeth or attached by adhesive material, for changing the relative positions of the teeth.

Removable Appliance . An appliance that is not fixed to teeth, but can be removed by the patient.

Orthodontic Appliances Types

Page 4: The orthodontic fixed and removable appliances

Braces. Braces are the mechanism we use to “get a

handle on the teeth. used to align and straighten teeth.

Fixed Appliance

Page 5: The orthodontic fixed and removable appliances

appliances are used in the upper arches to maintain space.

Transpalatal Arch TPA

Page 6: The orthodontic fixed and removable appliances

Nance Appliance is used to prevent upper molars from rotating or moving forward after extraction of primary teeth or during your orthodontic treatment.

Nance.

Video_3.MOV

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The Lingual Arch is a metal bar that is attached to the tongue-side of the lower first molar bands, and form fitted behind the teeth.

Lingual Arch

Video_2.MOV

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attached to the molars by 2 bands and has two or four active helix springs that widen the arch of the mouth to make room for crowded teeth.

quadhelix maxillary expansion appliance.

Video.MOV

Page 9: The orthodontic fixed and removable appliances

An orthodontic appliance that is worn to prevent adjacent teeth from moving into the space left by an unerupted or prematurely lost tooth.

Band and loop space maintainer

Page 10: The orthodontic fixed and removable appliances

is appliance used to expanding the maxillary (upper) arch. A palatal Expander is our first choice for patients requiring an increase in the width of the upper dental arch.

Palatal Expander

Page 11: The orthodontic fixed and removable appliances

The Fan-type Expander widens the front of the upper arch without widening the back.

Fan Type Expander

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An appliance that is not fixed to teeth, but can be removed by the patient.

is made from a plastic plate with wires coming from the sides. These grip the teeth to keep the brace in place.

Removable Appliance .

Page 13: The orthodontic fixed and removable appliances

Active (produce tooth movement/growth modification)

Mechanical appliances .Functional appliances (FA s.).

Passive Retainers.

Space maintainers.

Classification Of ROA

Page 14: The orthodontic fixed and removable appliances

Active Components. Retentive Components. Acrylic Base Plate. Anchorage.

Components Of Removable Applaince

Page 15: The orthodontic fixed and removable appliances

Screws

Function:

Expansion and distalization

Activation: 1 turn / week = 0.25mm

(1/4 turn)

Active component of Removable Appliances.

Page 16: The orthodontic fixed and removable appliances

Wire springs Finger spring Z-spring Canine retractor Short labial arch

Active component of Removable Appliances.

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0.5 mm diameter SS Function: proclination of 1 or 2 incisor

Z-Spring

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0.5 mm diameter SS= incisors 0.6 mm diameter SS=premolars Function: proclination of incisors, premolars

T-Spring

Page 19: The orthodontic fixed and removable appliances

0.5 mm diameter SS= incisors 0.6 mm diameter SS= canine and premolars Function: mesial or distal movement

Finger /palatal spring

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0.7 mm diameter SS Function: retraction of anterior teeth

Labial Bow

Page 21: The orthodontic fixed and removable appliances

0.7 mm diameter SS Function: Retraction of anterior teeth and close midline diastema

Split Labial Bow

Page 22: The orthodontic fixed and removable appliances

Buccal canine retractor

0.7 mm diameter SS Function: Palatal and distal movement of mesially angulated canines

Page 23: The orthodontic fixed and removable appliances

Types of Clasps

1. Adams Clasps

2. Southend Clasps

3. Labial bow

4. Ball-ended Clasps

Retentive components

Page 24: The orthodontic fixed and removable appliances

Adams clasps.

0.7 mm diameter SS on molars 0.6 mm SS on premolars, canine and

deciduous molar.

Retentive component of Removable Appliances

Page 25: The orthodontic fixed and removable appliances

Southend clasps

0.7 mm diameter SS Function: Useful when distal movement of canines

required.

Retentive component of Removable Appliances

Page 26: The orthodontic fixed and removable appliances

•Undercut interproximally

•good retention

•0.7 mm diameter SS

Ball- ended Clasps

Page 27: The orthodontic fixed and removable appliances

Labial bow •0.7 mm diameter SS •Function: •Retention •important when mesial / distal •movement is planned

Retentive component of Removable Appliances

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1. Hold components

2. Clear acrylic :

- heat cure - cold cure

3. Comfortable

4. Good fit

5. Can be active - biteplanes

Baseplate

Page 29: The orthodontic fixed and removable appliances

Twin block appliance

•The upper and lower parts fit together using posterior bite blocks with interlocking biteplanes which posture the mandible forward

TYPES OF FUNCTIONAL APPLIANCE

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is removable and stimulates growth of the lower jaw forward to both correct the overbite (deep bite) and over jet (upper teeth sticking out).

Bionator

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•Is a functional regulator and uses shield. •Complex, uncomfortable, rapid changes if

worn properly.

The Frankle Appliance

Page 32: The orthodontic fixed and removable appliances