. 2023 May 30;54(1):25–36. doi: 10.5051/jpis.2200940047

Table 2. Histological results.

Groups	Epithelium		Epithelium width		Epithelium ridges		Inflammatory infiltrate
Groups	Absent	Present	Thin	Regular	Absent	Present	Regular	Intense
Group I	10	-	-	-	10	-	-	10
Group II	-	10	5^a)	5^a)	5^a)	5^a)	5^a)	5^a)
Group III	-	10	9^b)	1^a)	4^a)	6^a)	5^a)	5^a)
Group IV	-	10	7^a)	3^a)	2^a)	8^a)	9^a)	1^a)
Group V	-	10	3^a)	7^a)	1^a)	9^a)	9^a)	1^a)
Group VI	-	10	-	10	-	10	10	-

The evaluated criteria were the presence of epithelium, thickness of the epithelium (thin or regular), presence of epithelial crests and quantity of inflammatory infiltrate (regular or intense). The numbers represent the quantity of the samples with the same characteristic. The results were statistically analyzed using the exact Fisher’s test. All the analyzed criteria showed statistically significant values (P<0.05). Statistical difference was expressed within the groups. Subjects were randomly divided into 6 groups: group I, negative control; group II, positive control; group III, BCM; group IV, BCM + fibroblasts; group V, ADM; and group VI, ADM + fibroblasts.

BCM: bacterial cellulose matrix, ADM: acellular dermal matrix.

^a,b)Groups that showed different letters (a, b) presented a predominant characteristic, the one present in the majority of each of the groups. Groups that showed the same letters (a, a), did not present statistical significance. The groups that did not have letters, presented only one characteristic that was predominant in that group.