floor of mouth


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floor of mouth

(flōr mowth)
That area of the oral cavity beneath the tongue.
References in periodicals archive ?
In our 3-year follow-up study, we found no significant association between tumor recurrence and specific tumor location in the oral cavity (p = 0.34), although the patients with floor of mouth tumors had a significantly higher incidence of inadequate resection margins, as reported previously by Lawaetz and Homoe.
Whenever a sublingual tablet is taken by a patient, it is simultaneously exposed to both mucosa of ventral surface of tongue and mucosa of floor of mouth. Moreover, it was found that the permeability of both of the mucosae is not the same.
ASR (world) Anatomical sites PR USH Men Women Men Women Oral cavity 4.5 1.3 4.9 2.8 Oral tongue 0.9 0.3 1.5 1.1 Floor of mouth 1.7 0.2 1.7 0.4 Gingivobuccal 1.8 0.7 1.8 1.3 Oropharynx 7.5 1.1 7.1 1.7 Base of tongue 2.2 0.4 2.4 0.6 Tonsil 2.8 0.5 3.3 0.7 Soft palate/ Other Oropharynx 2.5 0.2 1.3 0.4 Hypopharynx 2.4 0.2 2.4 0.3 ASR (world) Anatomical sites NHW NHB Men Women Men Women Oral cavity 8.5 4.9 9.2 3.8 Oral tongue 2.8 1.6 2.2 0.8 Floor of mouth 2.7 1.1 3.9 1.1 Gingivobuccal 3.0 2.2 3.2 1.9 Oropharynx 14.0 3.5 18.6 4.4 Base of tongue 5.7 1.3 6.2 1.5 Tonsil 6.1 1.4 7.5 1.7 Soft palate/ Other Oropharynx 2.1 0.8 4.9 1.3 Hypopharynx 2.8 0.7 6.0 1.2 ASR = Age-standardized rates; PR = Puerto Rico; USH = Hispanics in the U.S.; NHW = non-Hispanic whites; NHB = non-Hispanics blacks Table 2.
Chattopadhyay et al16 analysed in his reports that several subsites such as floor of mouth,tongue(including ventral and lateral border) as well as soft palate possessed a higher malignant potential.
Shows the Age, Gender, Clinically Premalignant and Malignant Lesions affected Site and Addiction Characteristics Age Range 18-65 Sex Male 46 (76.67%) Female 14 (23.33%) Lesions Clinically premalignant 35 (58.33%) Clinically malignant 25 (41.66%) Site Tongue 31 (51.67%) Buccal mucosa 19 (31.67%) Palate 3 (5%) Floor of mouth 1 (1.67%) Lips 2 (3.33%) Retromolar trigone 2 (3.33%) Upper and lower alveolus 2 (3.33%) Addiction Tobacco chewing 52 (86.67%) Smoking 40 (66.66%) Alcohol 36 (60%) Supari 36 (60%) Betel nut 32 (53.33%) Gutka 28 (46.67%) Table 2.
Small symptomless tumors are reported to be most frequent in the floor of mouth, ventero-lateral tongue and soft palate complex.12
A 57-year old male, non-smoker with no significant medical history was referred by the community dentist to the maxillofacial department with an asymptomatic left floor of mouth swelling, which was noticed by the practice hygienist.
The frenulum of tongue (or lingual frenulum) is a small fold of mucous membrane extending from the floor of mouth to the midline of underside of the tongue.
The tongue, floor of mouth and lip are the commonest site which are affected.1 The origin of the affected sites of tumours in oral cavity is the stratified squamous epithelium.
Ranulas are cystic lesions of sublingual gland origin, simple ranulas are true retention cysts appearing as transparent thin-walled cysts, typically unilateral, within the floor of mouth. The cervical or plunging ranula is a mucus extravasation pseudocyst that arises as mucus escapes through a ruptured sublingual duct.
Neoplasms (by site): 25 parotid; 12 submandibular gland; 25 cervical soft tissue; 77 cervical lymph nodes; 54 facial, neck, scalp skin/soft tissue; 2 facial nerve; 47 thyroid; 12 parathyroid; 58 external ear; 145 external ear canal; 20 nasal skin; 16 lips; 14 tongue; 13 floor of mouth; 125 tonsils; 21 nasopharynx; 25 oral cavity; 15 oropharynx; 12 hypopharynx; 28 oro-/hypopharynx (combined); 46 larynx (including GERD if general); and 12 true vocal folds.
Cancer cervix was the commonest site (19.5%), followed by cancer breast (10.2%), cancer of lung (9.7%) and cancer of floor of mouth (7.3%).