International Journal of Dentistry / 2021 / Article / Tab 1

Research Article

Er,Cr:YSGG 2780 nm Laser Treatment of Lip Melanin Hyperpigmentation

Table 1

Descriptive analysis of the current study using Er,Cr : YSGG laser.

Outcomes after treatmentFrequency (n = 85)Percentage (%)

Adverse effects include scares, herpes labialis (reactivation), severe crust, bleeding, and swelling
 No adverse effects89.4
 Mild adverse effects7082.4
 Moderate adverse effects67.1
 Severe adverse effects11.2

Wound healing was scored (14 days after final session) on a 2-scale index
 Complete healing8397.6
 Partial healing22.4

Pain after the procedure was scored using VAS index of pain measurement
 Score 189.4
 Score 255.9
 Score 33035.3
 Score 42731.8
 Score 51112.9
 Score 644.7

Color improvement objective recording of lip color variation using a smile improvement scale
 Little improvement11.2
 Average improvement910.6
 Great improvement1214.1
 Complete improvement6374.1

Satisfaction with treatment depending on the patient’s opinion
 Very dissatisfied11.2
 Neither satisfied nor dissatisfied11.2
 Very satisfied7284.7

Relapse measured through a period of 18 months
 No relapse6677.6
 Mild relapse1517.6
 Medium relapse44.7

One-sample chi-square test showed unequal distributions of all the outcomes within each category ().

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