Periodontal Plastic Surgery to Improve Aesthetics in Patients with Altered Passive Eruption/Gummy Smile: A Case Series Study

Table 1

Values of clinical crown length (L-cl) at patient level.

	L-cl (mm)	Dev. St.	Difference from previous measurement (mm)	P value from baseline
Baseline	8.5985	0.49556	NA
Postoperative	10.2670	0.39185	−1.73276	𝑃<0.0001
6 months	10.1383	0.37434	0.10345^∗	𝑃<0.0001

* Difference postoperative 6 months, not significant.