Resin Bonded FPD

Retainers of FPD for teeth with sufficient enamel for etching

Resin Bonded FPD are suitable for

• short span edentulous area

• long span

• none of the above

Contraindicated in

• aduts

• deep vertical over bite

• periodontically weak teeth

1st Resin boneded FPD

• Virginia Bridge

• Rochette Bridge

• Cast

  mesh

  bridge

• Maryland Bridge

is used to bond the Resin bonded FPD

Retainer is immersed in 3.5% Nitric acid under a current of 250 mA/cm2 for 5 minutes for etching

• Non beryllium alloy

• Beryllium alloy

• Noble alloy

• Titanium

Aqua Regia is a mixture of

• HCl & H2SO4

• HNO3 & HCl

• H3PO4 & HCl

• H3PO4 & H2SO4

The margins of the prepared area must be placed

• !mm away from incisal edge

• 1mm away from gingival margin

• both

• none

Types of Retention

Draw Rochette Bridge