Our mouths play a vital role in our daily lives: They help us eat, speak, breathe, and express emotion. However, our mouths are also at risk for various disorders and infections, collectively known as oral pathology.
At the Oral & Facial Surgery Institute of Houston (OFSIH), we diagnose and treat a wide range of oral health conditions. Our experienced team is led by board-certified oral and maxillofacial surgeon Dr. L.T. Johnson, who has specialized training and experience in oral pathologies. He and our team will do everything we can to protect and restore your well-being.
From common issues to more serious illnesses, we are here to help patients in Houston and the surrounding areas regain their health.
What Is Oral Pathology?
Oral pathology refers to the study, diagnosis, and treatment of diseases affecting the mouth, teeth, gums, jaws, and surrounding tissues. While many of these issues are either infectious or benign (non-cancerous), it’s important to get any unusual changes looked at by a doctor as soon as you notice them. Doing so can help you avoid serious complications or the need for more extensive treatment later on.
Types of Oral Pathologies to Be Aware Of
Oral pathologies encompass a range of conditions that can impact your mouth, teeth, gums, and surrounding areas.
Common oral pathologies include:
- Abscessed Teeth: Infections that result in a painful, pus-filled pocket in the tooth or gums, often caused by advanced tooth decay.
- Gum Disease (Periodontitis): A serious gum infection that damages the soft tissue and, without treatment, can destroy the bone supporting your teeth.
- Tonsillitis: Inflammation of the tonsils, often due to infection, which can cause a sore throat, difficulty swallowing, and swollen tonsils.
- Strep Throat: A bacterial infection that causes throat pain and inflammation, often leading to swollen, red tonsils with white patches.
- Mumps: A viral infection that affects the salivary glands, causing swelling and pain.
Less common pathologies to know about:
- Oral Cancer: The most serious condition involving the growth of malignant cells in the mouth, tongue, or lips.
- Benign Lesions or Growths: Non-cancerous lumps that can appear in the mouth, often requiring monitoring or removal if they cause discomfort.
- Herpes Simplex Virus: Causes cold sores or fever blisters, typically around the lips, and can also affect the inside of the mouth.
- Salivary Gland Disease: Disorders affecting the glands that produce saliva, leading to dry mouth, pain, and swelling.
- Oral Cysts: Fluid-filled sacs that develop in the mouth or jaw, often near impacted wisdom teeth.
- Oral Ulceration: Painful sores in the mouth that can result from various causes, including injury, infection, or underlying conditions.
Signs of Oral Disease or Infection
One of the most common areas where infections or pathologies appear is the smooth, coral-pink lining inside your mouth, known as the mucosa. If you notice any changes in the appearance of your mouth’s lining or structures, like your cheeks, lips, tongue, or tonsils, it could indicate an underlying issue or infection.
Below are more signs of oral disease or infection:
- Persistent sores or ulcers: Sores or ulcers that don’t heal within a week or two, which may occur on the gums, lips, or tongue and can sometimes be painless.
- Unexplained bleeding: Bleeding from your gums, tongue, or throat without a clear cause.
- Swelling or lumps: Unexplained swelling or lumps in your mouth, jaw, or throat, which could indicate a salivary gland disorder, infection, or other conditions.
- Difficulty chewing, swallowing, or moving your jaw or tongue: Issues with chewing, swallowing, or movement of the jaw or tongue, which could be due to infections, tumors, or inflammatory disorders.
- Chronic bad breath: Bad breath that doesn’t improve with regular oral hygiene and might signal a more serious underlying issue like periodontal disease.
- Loose teeth: Teeth that become loose or more mobile without signs of gum disease, potentially indicating bone loss or oral cancer.
- Pain or discomfort: Ongoing pain or discomfort in the mouth, face, or neck that doesn’t have an obvious cause.
- Noticeable changes in your voice or speech: Changes like hoarseness or difficulty speaking, which could be due to oral lesions affecting the vocal cords or tongue.
- White or red patches: The presence of white or red patches on the gums, tongue, or lining of the mouth could signal an underlying pathology.
How Are Oral Pathologies Diagnosed?
Oral pathologies can affect anyone, so we recommend regular dental checkups to catch issues early. Not all symptoms are painful, and the absence of pain doesn’t mean nothing is wrong. Regular self-exams and dentist visits can help spot problems like lumps, sores, or changes in your mouth.
Oral pathologies are typically diagnosed through a comprehensive exam. Sometimes, X-rays or a biopsy may also be needed to confirm the diagnosis. Dr. Johnson has seen and treated many cases of conditions like dental infections, benign lesions, oral cysts, and oral cancer. If you notice any unusual symptoms, it’s important to get them checked out promptly.
When Should I Seek an Oral Pathology Evaluation?
It is a good idea to schedule an evaluation if you have a sore, lump, or patch that does not improve within about two weeks, if you have repeated swelling or drainage, or if you are noticing unexplained numbness, bleeding, or persistent pain. Many oral changes are benign, but getting a prompt exam helps clarify what is going on and whether any treatment is needed.
What to Expect from an Exam and Biopsy
An oral pathology visit usually includes a review of symptoms and medical history, an exam of the mouth and neck, and imaging when appropriate. If a biopsy is recommended, a small sample of tissue may be removed so it can be evaluated by a pathology lab. Your care team will explain the reason for the biopsy, how the area is numbed, and how to care for the site afterward.
Why Choose Oral & Facial Surgery Institute of Houston?
At the Oral & Facial Surgery Institute of Houston, we know the importance of early diagnosis and effective treatment of oral pathologies. Dr. L.T. Johnson is a board-certified oral and maxillofacial surgeon. During his residency, he gained specialty training and experience in the diagnosis and treatment of oral pathologies and orofacial cancer. He treats every patient with personalized care and always aims to give you a comfortable, safe, and satisfying experience.
With a reputation for excellence in Houston and beyond, OFSIH has become a trusted name for those seeking expert care in oral health and facial aesthetics. Our community-driven, precision-oriented practice is dedicated to helping you achieve optimal oral health and renewed confidence. Whether you’re dealing with a minor issue or a more complex condition, Dr. Johnson and his experienced team are here for you.
Frequently Asked Questions
What are the different types of oral cysts?
Oral cysts can be described in broad categories, including odontogenic (related to tooth development) and non-odontogenic (related to other facial tissues). The type and location help determine next steps, so an exam and imaging are often needed for clarification.
Can oral cysts go away on their own, or do they require treatment?
Some small cysts may improve, but many do not resolve on their own and can grow or become infected. If a cyst is painful, persistent, or changing, professional evaluation is recommended to discuss monitoring versus treatment options.
What are the differences between benign and malignant oral growths?
Benign growths are non-cancerous and do not spread to other parts of the body, although they can still cause irritation or functional problems. Malignant growths (cancers) can invade nearby tissues and may spread. Only a clinical evaluation, and sometimes a biopsy, can confirm the diagnosis.
What are common risk factors for oral cancer?
Risk factors can include tobacco use, heavy alcohol use, and prolonged sun exposure to the lips. Other factors may also play a role. Routine dental visits and prompt evaluation of suspicious changes support earlier detection.
How can I tell if an oral lesion is cancerous?
Some concerning signs include a sore, lump, or patch that does not heal within about two weeks, unexplained bleeding, persistent pain, numbness, or difficulty chewing or swallowing. Many lesions are not cancerous, but an exam is important. A biopsy is the definitive way to determine whether a lesion is malignant.
How often should I get screened for oral cancer?
Many adults receive screening as part of routine dental exams. If you have higher risk factors, your dentist or surgeon may recommend more frequent checks. Ask your dental provider what interval makes sense for you.
What happens during an oral biopsy?
If a biopsy is recommended, the area is numbed and a small sample of tissue is removed for evaluation by a pathology lab. Your surgeon will explain why the biopsy is being done, what to expect during healing, and how to care for the site afterward.
What are early warning signs of salivary gland disease?
Symptoms can include swelling or tenderness near the jaw or under the tongue, dry mouth, a bad taste, difficulty swallowing, drainage into the mouth, or symptoms that worsen during meals. Persistent or recurring symptoms should be evaluated because causes can range from infection or blockage to benign or malignant tumors.
Schedule a Consultation in Houston
Oral and maxillofacial surgeons are experts in evaluating and treating oral pathologies. Dr. L.T. Johnson brings years of specialized training and hands-on experience to each case and is ready to help with even the most challenging conditions.
Contact our office in Houston at 281-491-4545 if you suspect you may be experiencing any pathological symptoms.
Medical review and updates
Medically reviewed by: L.T. Johnson, DDS, Board-Certified Oral and Maxillofacial Surgeon
Last updated: April 2026
Dr. L.T. Johnson is a board-certified oral and maxillofacial surgeon serving patients in Houston, Sugar Land, Katy, Pearland, Angleton, and surrounding communities. His practice focuses on oral pathology evaluation and biopsies, dental implants, wisdom teeth removal, IV sedation, bone grafting and sinus lift procedures, All-on-4 treatment, facial trauma, and corrective jaw surgery.

