Prevalence of Maxillary and Mandibular Frenal Attachment and Its Association with Age, Gender, and Oral Hygiene Status in Nepalese Population Seeking Dental Treatment

Table 2

Distribution of frenal attachment in maxilla and mandible.

Prevalence of frenal attachment according to Mirko’s classification
Types of frenum	Maxillary frenal attachment, n (%)	Mandibular frenal attachment
Mucosal	71 (18.70)	225 (59.20)
Gingival	248 (65.30)	155 (40.78)
Papillary	42 (11.10)	0 (0.00)
Papillary penetrating	19 (5.00)	0 (0.00)
Total	380	380
Prevalence of frenal attachment morphology according to Sewerin’s classification
Normal frenum	231 (60.80)	358 (94.20)
Persistent tectolabial frenum	10 (2.60)	0
Frenum with appendix	32 (8.40)	0
Frenum with nodule	101 (26.60)	0
Duplication of frenum	1 (0.30)	20 (5.30)
Recess of frenum	2 (0.50)	0
Bifid frenum	3 (0.80)	2 (0.50)
Total	380	380