165) Which of the following statements regarding injectable collagen materials is TRUE?
A. Zyderm I is used in a 25 mg/ml concentration.
B. Zyderm II is used in a 50 mg/ml concentration.
C. Zyplast is a collagen cross-link with gluteraldehyde.
D. Bovine collagen allergic sensitivity is about 5%.
E. Correction will remain for approximately 18 months.
REFERENCES & ANSWER
Cheng J. T., Perkins S. W., Hamilton M.M.: Collagen and Injectable Fillers, Office-Based Procedures in Facial Plastic Surgery, Otolaryngologic Clinics of North America, Volume 35, Number 1, Saunders, pp.73-77, February 2002
Maas C. S., Yu K. C. Y., Egan K. K.: Neuromodulators and Injectables Soft Tissue Substitutes, Chapter 28, Facial Plastic and Reconstructive Surgery, (Papel I. D., editor), pp. 337-353, 2009
Skouge J. W., Diwan R. V.: Soft Tissue Augmentation with Injectable Collagen, Chapter 24, Facial Plastic and Reconstructive Surgery, (Papel & Nachlas, editors), pp. 208-214, 1992
165) C Zyplast is a collagen cross-link with gluteraldehyde.
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