Effect of gingival barrier brands on operator perception, cervical adaptation, and patient comfort during in-office tooth bleaching: a randomized clinical trial

Table 1 Evaluated gingival barriers in the study

Name	Manufacturer	Price*
Opaldam	Ultradent Products Inc., South Jardan, UT, USA	5.40
Topdam	FGM, Joinvile, SC, Brazil	4.20
Lysdam	Lysanda, São Paulo, SP, Brazil	1.00
Maxdam	Maquira dental group, Londrina, PR, Brazil	2.10

* Price of resin-based gingival barriers in Brazil (per gram of resin), converted to US Dollars as of July 2023

ISSN: 1472-6831