Biologic Consideration in Fixed Prosthodontics PDF

consideration Biologic In fixed Prosthodontics  S D ' -...

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I n re e e es s  ' X £ £ c ± ' § - § 1- § {  ⑦ ⑥ I i -0  S ' 8 is 1- I § IS u E E - n I EFE s of V P B Oo § I z ut f I Os s s T P E - Eg B 3 E - g - is u O ③ 8. s O T o - # c. is o OE P E ET ES E ET nos s s +0 of E o E o ex on e. J s o e as T → §§¥ED. E T 0 FT O go E o § Ee toy -9 I ¥ E E F E -  G → G ni - e 8 g t t w # to O g x -. C- T O Q s o o S E t 3 g e to e a 0 E 8 O E T B B T J u E t - e Cl is E E s e § § → ÷ ↳ §  DqisYfi8in - The use of low speed - contra in crown. ② Groove placement ⑦ Finishing before cementation to prevent Chlorhexidine is used under the restoration bacterial entrapment and loss of attachment width ? Recession If we violate the biologic Defective Inam plea under restorations is attributed to : margin andy caries Pulpal damage removal ✓. short fan be removed according to : of dentin should - Minimum amount amount of Pulp morphology - Type of restoration - - caries. - need for retention and resistance. of short clinical crown in case is the most common tooth to be exposed Mandibular canine reduction during. what are the factors associated with post-operative sensitivity. unsealed dentinal tubules tubules open margin dentinal - with A number of wt ' - without varnish - defective margins - Irritant cement in deep prep Immediate dentin sealing ( IDs ) helps in h bacterial contamination and 9 bond strength - t sensitivity remnants of cement. will mechanical problem Increasing prep taper cause a which is retention and resistance. Biological → Exposure.  Max Convergence angle is to -15 20 degrees -. 9 and ideal the angle between two axial walls The is convergence angle. between the long axis of tooth and one Taper is the angle axial wall. Planner Occlusal reduction Anatomical → Preservation of pulp vitality - - Better stress distribution of restoration - Uniform thickness. cervical extension of the Avoidance of unnecessary width Why ? to avoid violation of biological. prep. ? recently accepted " lgisedantmerai onr are why are equigingivalmargins finished and polished and no longer be easily , - Can teeth retention factors. plague. act as disrupted by supra - erupted or tilted teeth ? if occlusion is supra-e-ruptedc.nametasty hop → Overlay → En dot crown → ortho Tilted selective Prep Ortho Pagoutieralage. → → Rotated - Deal with it as a normal tooth.  Vertical Prep Vs Verti prep - F-Feather FL more conservative , but requires strong material. Zirconia and porcelain are accepted. Only problem is Chipping in milling. for metallic and All ceramic Clinically accepted marginal gap All ceramic → 150 Nm. metal → 50 Nm to root dentin conserving. Endo crown is more