1. MANDIBULAR TRAY BORDER
MOULDING
LABIAL FLANGE
BUCCAL FLANGE
DISTOBUCCAL AREA
INCLUDING MASSETERIC
NOTCHES
ANTERIOR LINGUAL FLANGE
MIDDLE PORTION OF LINGUAL
FLANGE
DISTOLINGUAL FLANGE
2. LABIAL AND BUCCAL FLANGE
Labial flange
• Passive: The lip is slightly lifted outwards, upwards and
inwards
Buccal flange (buccal frenum area): Can be developed
unilaterally.
• Passive: The cheek is lifted outwards, upwards and
inwards and moved backwards and forwards.
• Active: Patient is asked to pucker and smile
3. DISTOBUCCAL AND ANTERIOR
LINGUAL FLANGE
Buccal flange (distobuccal area): Developed bilaterally.
• Passive: The cheek is pulled buccally to ensure it is not caught in the
tray and then moved upwards and inwards.
• Active and Passive: The masseteric notch is recorded by asking the
patient to close, while dentist exerts a downward pressure on tray
Anterior lingual flange
• Active: Patient is asked to protrude the tongue and then push the
tongue against the anterior part of the palate. This develops the
length and thickness of the flange in this area, respectively
4. Middle portion of lingual flange: Developed bilaterally.
• Active: Patient is asked to protrude the tongue and lick the upper lip from side to
side.
Distolingual flange: Developed bilaterally
• Active: Patient is asked to protrude the tongue and then place the tongue in the distal
part of the palate in the right and left buccal vestibules
5. • Verification: The extension in retromolar pad is verified by asking the patient to
open mouth wide. A notch in the area indicates interference from
pterygomandibular raphae and should be adjusted. The patient is asked to wipe the
tongue against the vermilion border of the upper lip. This should not displace the
tray.
