Gingival Stripping in RPDGroup ELecturer: Dr. Ho Ting KheeWhat is gingival stripping? Gingiva is pulled o ro! the attach!ent to the tooth surace. "t is caused #$ ph$sical trau!a that strip o the gingiva% or e&a!ple% the co!ponent o a partial denture that i!pinge on the gingival. 'auses o gingival stripping in RPD Lac( o rest seat )argin o !a&illar$ !a*or connector is less than +!! )argin o !andi#ular !a*or connector is less than ,!! )argin o acr$lic #aseplate is #elo- the surve$ line o teeth'auses o gingival stripping in RPD )inor connector : too thin that cannot support occlusal orces: no relie under !inor connector -hen the$ cross gingival !argin 'lasp too close to gingival !argin .ro! pla/ue that accu!ulate around RPD "naccurate secondar$ i!pression 0 causes the ra!e-or( to #e constructed in a -a$ that it i!pinge on the sot tissue 1Gingival strippingLess than 6mm from the gingival margin'o!plication o gingival strippingEect on a1 gingival overl$ing edentulous ridge #1 a#ut!ent teeth c1 cost 2 ti!eEects on edentulous ridge:31 Poorl$ design RPD 45 lac( o support 45 e&cessive orce i!pinge onridge 45 #one resorption61 7on$ resorption 45 loss o retention 45 loose dentureEects on a#ut!ent teeth31 Poorl$ design RPD -ithout relie around gingival !argin 45 i!pinge!ent on gingival 45 trau!a to PDL 45 recession 45 L89 45 : !o#ilit$ 45 tooth loss61 Loss o a#ut!ent 45 loss support 45 ;retention 45 loose denture)anage!ent Make a good denture design< rest is !andator$ as it can act as support and as vertical stop to preventin*ur$ and over displace!ent o the sot tissue< correct place!ent o retentive clasp : depends on surve$ line : 3=, o the tip !ust #e #elo- the surve$ line% 6=, a#ove the surve$ line< tooth !odiication should #e done -hen necessar$ e&: i the surve$ line is too lo-% add co!posite resin to prevent gingival stripping)anage!ent)anage!ent .ree end saddle < use RP" or RP9 s$ste! < " #ar acts as retention < !a(e sure the " #ar is not too close to the gingiva)anage!ent )argin o !a*or connector < !a&illar$ : at least +!! ro! gingiva !argin < !andi#ular : at least ,!! ro! gingiva !argin)anage!ent Gingival augmentation< periodontal surger$ to cover gingival recession and strippingReerences:31 >acaru R% Podariu 9'% ?u!anca D% Galuscan 9% )untean R. Periodontal