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Lingual Holding Arch Space Maintainer
• Presented by:
Jigyasha Timsina
Contents
• Introduction • Indication and contraindication• Advantages and disadvantages• Fabrication • Modification • Patient Instruction
• Space maintaining appliance
• Bilateral ,Non functional ,Passive mandibular arch appliance
• Fixed type of space maintainer
• Controls 1.Antero-posterior tooth movement 2.Arch perimeter distortion
CONTRAINDICATION
Before the eruption
of mandibular incisors
INDICATIONS
Bilateral loss of posterior teeth
Minor movement of anterior teeth
Maintenance of leeway space
Space regaining
Advantage
Many modifications
are possible
Can also be used to regain space
Disadvantage
Construction is difficult
Chances of distortion
of appliance by tongue pressure
• Consists of :
1.round stainless steel or precious alloy
wire (0.32 to 0.40 inches in diameter)
2.molar bands -most commonly on
permanent first molar rarely second
deciduous molar
•
Wire soldered or welded to the band
Fabrication
Bands are adapted to the most posterior tooth remaining on the arch
A pick up alginate impression is taken.
pre fabricated wire placed or soldered to the band or can be custom made in lab
• Wire should contact cingulum of mandibular incisors slightly above gingival papillae .
• Should lie on gingival third of primary molar
• Should rest at middle third of banded molar
Wire should have 3-4 mm
contact with the band to provide long solder joint
Konstantinos et al suggested giving 2 omega bands in canine region.
Original design consisted of 2 inch adjustment loops so as to allow for adjustment of length
• Passivation
achieved by heating the wire to dull brownish appearance
MODIFICATIONS
• Auxiliary springs incorporated to bring about minor individual tooth movement
• Looped lingual archwire
• Ellis loop lingual archwires
Instruction to the patients
• Brush teeth at least 2 times daily. • Use a water pick or floss to remove food
caught underneath the appliance. • Contact if bands come loose or anything
breaks or wire gets bent.• Warm salt water rinses for sores. • 'Rescue' wax for bands until cheeks get
used to new appliance
References
• Textbook of Pediatric Dentistry
-Nikhil Marwah
• Text book of Pedodontics
-Shova Tandon
• Internet sources