Comprehensive diagnosis and treatment for temporomandibular disorders by board-certified prosthodontist Dr. Elaine Lu at The Loft Dental Studio.
TMJ stands for temporomandibular joint — the hinge-like joint on each side of your head that connects your lower jaw to your skull. You use these joints every time you chew, speak, yawn, or swallow. TMD, or temporomandibular disorder, refers to a group of conditions that cause pain and dysfunction in the jaw joint and the muscles that control jaw movement.
TMD affects millions of Americans, though many go undiagnosed for years because the symptoms overlap with other conditions. Common signs of a temporomandibular disorder include persistent jaw pain or tenderness, clicking or popping sounds when opening or closing the mouth, difficulty opening the mouth fully, a jaw that locks in the open or closed position, chronic headaches or migraines, ear pain or ringing in the ears, and pain that radiates to the face, neck, or shoulders.
If you experience any of these symptoms regularly, you may be living with TMD. The good news is that most TMJ disorders respond well to conservative, non-surgical treatment — and early intervention prevents the condition from worsening over time.
Temporomandibular disorders rarely have a single cause. Most cases involve a combination of factors that place excessive strain on the jaw joint and surrounding musculature. Understanding the root cause is essential to effective treatment.
Bruxism — teeth grinding and clenching — is the most common contributor to TMD. Many patients grind their teeth at night without realizing it, generating forces several times stronger than normal chewing. Over months and years, this chronic strain fatigues the jaw muscles, compresses the joint, and wears down tooth enamel. A bed partner may notice the grinding sound, but most patients are unaware until a dentist identifies the telltale wear patterns on their teeth.
Malocclusion, or bite misalignment, forces the jaw joint to compensate for teeth that do not come together properly. This compensation strains the muscles and ligaments that support the joint. Stress is another major factor — emotional tension often manifests as unconscious jaw clenching during the day and grinding at night. Arthritis (both osteoarthritis and rheumatoid arthritis) can degrade the cartilage within the joint itself. Trauma to the jaw from an accident, sports injury, or blow to the face can damage the joint or displace the articular disc. Disc displacement occurs when the cushioning disc between the ball and socket of the joint slips out of position, producing clicking sounds and limiting movement.
Effective TMJ treatment begins with an accurate diagnosis. At The Loft Dental Studio, Dr. Elaine Lu — a UCLA-trained, board-certified prosthodontist — performs a comprehensive TMJ evaluation designed to identify the specific cause and severity of your condition.
The evaluation begins with a detailed review of your symptoms, medical history, and dental history. Dr. Lu then performs a clinical examination of jaw movement, assessing your range of motion, listening for clicking or crepitus (grinding sounds), and noting any deviation in the jaw's path when you open and close your mouth. She palpates the muscles of mastication — the temporalis, masseter, and pterygoid muscles — to identify areas of tenderness, trigger points, or spasm.
A thorough assessment of your bite relationship (occlusion) is critical. Dr. Lu evaluates how your upper and lower teeth come together, looking for premature contacts, interferences, and wear patterns that indicate grinding or clenching. When additional detail is needed, our in-house CBCT 3D imaging system produces a detailed three-dimensional view of the temporomandibular joint, revealing bone structure, joint space, condyle shape, and any signs of arthritis or degeneration. This comprehensive approach ensures that treatment targets the actual source of your pain rather than just masking symptoms.
Dr. Lu develops an individualized treatment plan based on your diagnosis, symptom severity, and the underlying cause of your TMD. Treatment typically begins with the most conservative approaches and progresses only if needed.
The most common and effective treatment for bruxism-related TMD is a custom-fabricated night guard or occlusal splint. Unlike over-the-counter guards from a drugstore, a professionally made splint is designed from precise digital impressions of your teeth to fit your bite exactly. Worn during sleep, it prevents tooth-on-tooth grinding, reduces pressure on the jaw joint, and allows the overworked muscles to relax and heal. Many patients notice significant improvement within a few weeks of consistent use.
If your TMD is caused or aggravated by bite misalignment, Dr. Lu can perform selective equilibration — carefully reshaping specific tooth surfaces so that your teeth come together evenly. This eliminates premature contacts and interferences that force your jaw into a strained position, reducing stress on the joint and muscles.
Dr. Lu works with physical therapists who specialize in orofacial pain to address muscle dysfunction through targeted exercises, manual therapy, and postural correction. Stress management techniques — including awareness of daytime clenching habits, relaxation exercises, and mindfulness — play an important role in reducing muscle tension that contributes to TMD.
Short-term use of anti-inflammatory medications (NSAIDs), muscle relaxants, or low-dose tricyclic antidepressants may be recommended to manage acute pain and reduce muscle spasm while other treatments take effect.
For patients with severe muscle hyperactivity, botulinum toxin (Botox) injections into the masseter or temporalis muscles can reduce the force of clenching and provide significant relief. The effects typically last three to four months.
In cases where significant malocclusion contributes to TMD, orthodontic treatment may be recommended to correct the bite alignment permanently. For patients whose teeth have been severely worn down by years of grinding, Dr. Lu can design and place restorations — crowns, onlays, or veneers — to rebuild proper tooth structure and restore a healthy bite relationship. This restorative approach addresses the damage already done while preventing future deterioration.
Surgery is rarely necessary for TMJ disorders and is reserved as a last resort for cases involving structural joint damage — such as a permanently displaced disc or severe arthritis — that do not respond to conservative treatment.
TMJ disorders do not exist in isolation. Chronic grinding and clenching take a measurable toll on your teeth, restorations, and the supporting structures of your mouth. Over time, bruxism wears down enamel, flattens the biting surfaces of teeth, and cracks or fractures existing dental restorations — crowns, veneers, and fillings can all fail prematurely under the repeated force. Patients with implants are not exempt: grinding places excessive lateral forces on implant-supported restorations that can compromise the connection between the implant and the prosthesis. A custom night guard is essential for protecting both natural teeth and implants in patients with bruxism.
The damage extends below the gumline. Excessive clenching forces can cause gum recession, tooth mobility, and accelerate bone loss around teeth — a condition called occlusal trauma. At The Loft Dental Studio, periodontist Dr. Chanook David Ahn monitors the periodontal health of patients who grind and clench, looking for signs of recession, pocket deepening, and bone loss that may require periodontal treatment. This collaborative approach between Dr. Lu and Dr. Ahn ensures that both the cause (TMD) and its consequences (dental and periodontal damage) are addressed comprehensively.
TMJ disorders also share a relationship with sleep-disordered breathing. Research suggests a connection between bruxism and obstructive sleep apnea — some patients grind their teeth as a physiological response to airway obstruction during sleep. If you experience both jaw pain and symptoms of sleep apnea such as loud snoring, daytime fatigue, or morning headaches, a combined evaluation may be appropriate.
Jaw pain, clicking, headaches, and grinding do not have to be part of your daily life. Dr. Lu can identify the source of your symptoms and build a treatment plan that brings lasting relief.
Call (714) 549-7030TMJ pain is most commonly caused by bruxism (teeth grinding and clenching), bite misalignment (malocclusion), stress, arthritis in the jaw joint, trauma or injury to the jaw, and disc displacement within the joint. Many patients grind their teeth at night without realizing it, which places chronic strain on the temporomandibular joint and surrounding muscles. Dr. Lu performs a comprehensive evaluation to identify the specific cause of your TMJ pain and develop a targeted treatment plan.
Mild TMJ symptoms may resolve on their own with rest, soft foods, and stress reduction. However, chronic or recurring TMJ pain usually requires professional treatment. Left untreated, TMD can worsen over time — leading to increased pain, progressive tooth wear, cracked restorations, and permanent joint damage. If your jaw pain lasts more than two weeks, produces clicking or popping sounds, or limits your ability to open your mouth, schedule an evaluation with Dr. Lu at The Loft Dental Studio.
TMJ treatment costs vary based on the type and severity of the condition. A custom night guard or occlusal splint typically costs $500 to $1,500. Bite adjustment (equilibration) ranges from $200 to $800. More complex treatment involving orthodontics or restorative work to rebuild worn teeth will vary based on the extent of care needed. Many dental insurance plans cover a portion of TMJ treatment, including night guards. Call The Loft Dental Studio at (714) 549-7030 for a personalized cost estimate after your evaluation.
The vast majority of TMJ patients do not need surgery. Conservative treatments — including custom night guards, bite therapy, physical therapy, medication, and stress management — resolve symptoms for most patients. Surgery is considered only as a last resort when conservative approaches have failed and there is structural damage to the joint, such as a displaced disc or severe arthritis. Dr. Lu always begins with the least invasive treatment options and only escalates when necessary.
Yes, a custom night guard (occlusal splint) is one of the most effective treatments for TMJ disorders caused by bruxism. The night guard prevents your upper and lower teeth from grinding against each other while you sleep, reducing pressure on the jaw joint and allowing the muscles to relax. Over-the-counter night guards from drugstores are not recommended because they do not fit precisely and can actually worsen bite problems. Dr. Lu designs custom-fitted night guards using digital impressions for optimal comfort and therapeutic effectiveness.