Mouth Disorders Summary Your mouth is one of the most important parts of your body. Any problem that affects your mouth can make it hard to eat, drink or even smile. Some common mouth problems include Cold sores – painful sores on the lips and around the mouth, caused by a virus Canker sores – painful sores in the mouth, caused by bacteria or viruses Thrush – a yeast infection that causes white patches in your mouth Leukoplakia – white patches of excess cell growth on the cheeks, gums or tongue, common in smokers Dry mouth – a lack of enough saliva, caused by some medicines and certain diseases Gum or tooth problems Bad breath Treatment for mouth disorders varies, depending on the problem. Keeping a clean mouth by brushing and flossing often is important. National Institute of Dental and Craniofacial Research Images Actinic Cheilitis Logical Images Angular Cheilitis Logical Images Chapped Lips (Cheilitis) Logical Images Fordyce Spots Logical Images Hairy Leukoplakia National Institute of Dental and Craniofacial Research Oral Melanotic Macule Logical Images Oral Mucocele Logical Images Oral Warts National Institute of Dental and Craniofacial Research Pemphigus Vulgaris Logical Images Perioral Dermatitis Logical Images Thrush (Oral Candidiasis) in Adults Logical Images Thrush (Oral Candidiasis) in Children Logical Images Patient Handouts Burning Mouth Syndrome National Institute of Dental and Craniofacial Research Specifics Burning Mouth Syndrome Mayo Foundation for Medical Education and Research Burning Mouth Syndrome National Institute of Dental and Craniofacial Research Leukoplakia Mayo Foundation for Medical Education and Research Mouth Growths Merck & Co., Inc. Oral Hypersensitivity Reactions American Association of Oral and Maxillofacial Surgeons Oral Lichen Planus Mayo Foundation for Medical Education and Research Oral Thrush Mayo Foundation for Medical Education and Research Clinical Trials ClinicalTrials.gov: Mouth Diseases National Institutes of Health ClinicalTrials.gov: Stomatitis, Aphthous National Institutes of Health Array Drooling Gum biopsy Herpangina Leukoplakia Lichen planus Mouth Problems American Academy of Family Physicians Mouth Problems in Infants and Children American Academy of Family Physicians Mouth sores Mouth ulcers Mucous cyst Perioral dermatitis Thrush Health Check Tools Drooling (Excessive) DSHI Systems Lip Swelling DSHI Systems Mouth Laceration DSHI Systems Mouth or Tongue Lesions DSHI Systems Mouth or Tongue Swelling DSHI Systems Find an Expert Find a Surgeon American Association of Oral and Maxillofacial Surgeons Find an ENT American Academy of Otolaryngology–Head and Neck Surgery National Institute of Dental and Craniofacial Research National Institute of Dental and Craniofacial Research National Institute on Deafness and Other Communication Disorders National Institute on Deafness and Other Communication Disorders Genetics Genetics Home Reference: white sponge nevus National Library of Medicine Related Issues Ice Cream Headaches Mayo Foundation for Medical Education and Research Melkersson-Rosenthal Syndrome National Institute of Neurological Disorders and Stroke Mouth Problems and HIV National Institute of Dental and Craniofacial Research Mouth Sores Caused by Cancer Treatment: How to Cope Mayo Foundation for Medical Education and Research Oromandibular Dystonia Dystonia Medical Research Foundation Parry-Romberg (Syndrome) National Institute of Neurological Disorders and Stroke Children Mouth and Dental Injuries in Children (Beyond the Basics) UpToDate Oral Thrush (For Parents) Nemours Foundation Perioral Dermatitis Logical Images Reference Desk Mouth and Teeth (For Parents) Nemours Foundation Living With Mouth or Throat Pain or Sores American Cancer Society Start Here Mouth Sores American Academy of Otolaryngology–Head and Neck Surgery Encyclopedia Oral mucositis Oropharynx lesion biopsy Palatal myoclonus Journal Articles Mouth disorders