Pennsylvania Esthetician State Board Practice Exam

What procedure is indicated for improving the appearance of existing scars?

1. Dermabrasion

2. Microdermabrasion

3. Laser Treatment

4. Chemical Peel

The correct answer is: Dermabrasion

Dermabrasion is the preferred procedure for improving the appearance of existing scars due to its ability to remove the upper layers of skin, allowing for more significant skin texture improvements. This technique utilizes a rotating brush or special instrumentation to exfoliate and slough off the damaged skin, which can smooth out irregularities and reduce the visibility of scars over time. It is particularly effective for deeper scars, such as those from acne or injuries, and can stimulate new skin growth, contributing to a more even and rejuvenated skin surface. While microdermabrasion, laser treatment, and chemical peels all have their benefits for skin rejuvenation and can help improve the appearance of certain skin conditions, they may not be as effective as dermabrasion for treating existing scars. For example, microdermabrasion primarily addresses superficial skin concerns and may not penetrate deeply enough to effect significant change on established scars. Laser treatments can offer considerable improvements but may vary in efficacy based on the scar type and the laser used. Chemical peels also assist in revealing fresh skin but generally work best for pigmentation issues and mild textural irregularities, rather than for deeply entrenched scars. Therefore, dermabrasion stands out as the most suitable choice for addressing existing scars directly and effectively.