29 AUG 2020 · SUPRABULGE – COMES / ORIGINATES FROM
ABOVE THE BULGE
ï‚· Akers
ï‚· Ring
ï‚· Combination
ï‚· Embrasure
C clasp , akers clasp , circumferencial, supra bulge, three quarter clasp
ï‚· Universal type of clasp
ï‚· Can be used in almost all cases
ï‚· Only disadvantage is - mobility
Ring clasp
ï‚· Lingually tilted tooth, Kennedy class 2,
ï‚· Isolated PM cases
ï‚· When the undercut is near the proximal plate side, the clasp will have to go all around and engage in there.
ï‚· Sometimes there is only one seat, or they might add an additional seat on the opp side as well
ï‚· Also, they could add an additional arm from the meshwork coming infrabulge way, and soldered perpendicular to the lingual part of the arm to provide more stability.
Embrasure Clasp
ï‚· 2 Akers clasp hugging both teeth on right and left like a father hugging his two sons with both of his arms
ï‚· Need 2 occlusal rest and has only 1 body
ï‚· Kennedy class II
Multiple Clasp – circlet
o Periodontally compromised
o 2 occlusal rest and 2 body
Combination Clasp
o Distal extension cases
o Abutment tooth with severe undercut