TMJ injections are performed with corticosteroid and anesthetic to produce a two-fold effect: one reduce inflammation with the corticosteroid (triamcinolone acetonide) and two produce anesthesia or pain relief using lidocaine 2% without epinephrine. Corticosteriod is...
In this article, we review ways to assess muscle tenderness and pain. Common abnormalities of the masticatory muscle include injection induced myositis, myofascial taut band, trigger point, hypertrophy, spasms, etc. Note: Prior to each procedure, introduce yourself...
The following equipment is required for a Cranial Nerve Examination: Cotton ball Safety pin Pen torch (source of light) Tongue blade Tuning fork (512 Hz) 1.) Olfactory Nerve (I) The olfactory is a sensory nerve, and damage in the nasal epithelium or the basal...
In this article, we'll provice step-by-step TMJ exercises and treatments for Dentists and self-mobilization stretches for patients. The main reason why a jaw locks closed is due to a derangement of the TM joint (disk displacement without reduction or DDNR). It is...
Occlusion, simply defined, is how teeth meet when the lower and upper jaw come together. Proper occlusion is necessary for eating, aesthetics, and disease prevention. However, many factors can cause malocclusion including trauma and genetics. Before we cover the...
X-ray image showing articular fossa and condyle.For TMJ mobilization procedures read: Closed Lock Mobilization: TMJ Exercises & Stretches. Jaw Range of Motion Assessment Prior to the procedure, introduce yourself to the patient, explain the purpose of the...
Lymph Node Examination A lymph node evaluation should be included in all new patients as part of the oral cancer triage. Below is a video showing the proper technique and a written explanation of what is expected from dentists when performing a lymph node and...
Myoclonus is a frequently observed hyperkinetic movement disorder, which is often classified according to its anatomical origin. [1] Palatal myoclonus is characterized by involuntary palatal contractions, causing clicking tinnitus due to the action of soft palate...
Rather than a voluntary movement, a tic is a movement which relieves a voluntary urge, and this is the key characteristic which differentiates a tic from another movement disorder. Motor tics of the orofacial area include tongue protrusion, facial grimacing, blinking,...
These FAQs were collected from a recent webinar on Telehealth & COVID-19 presented by the Herman Ostrow School of Dentistry with Dr. Glenn Clark, Professor Linda Brookman, Dr. Kamal Aleryani, and Dr. Steven Richeimer. What is Teledentistry in 2020? “Teledentistry”...
Secondary Masticatory Muscle Spasm Occasionally the jaw closers or jaw openers can develop a continuous strong spastic activity which if sustained for a long period of time, will actually produce contracture with substantial shortening of the muscle. Often this...
Synkinesis A variation of hemi-facial spasm is the motor abnormality called synkinesis. This disorder occurs after a viral or traumatic paralysis of the seventh nerve. The nerve injury produces sprouting and the new motor connections cause inappropriate motor...
There are patients who have developed a drug induced oral motor hyperactivity which does not fit into the dyskinesia category. [1] Some prescription medications and illegal drugs produce a motor response which is better classified as an unspecified extrapyramidal...
Bruxism Definition Bruxism can be defined as nonfunctional jaw movement that includes clenching, grinding, clicking, and gnashing of teeth during sleep. Based on EMG recording of the jaw closers during sleep, there are two basic patterns of bruxism reported: (1)...
Chemodenervation Injecting Botulinum neurotoxin (BoNT) into the affected musculature has proved to be the most effective means of managing conditions such as cervical and oromandibular dystonia. [1] [2] Chemodenervation with BoNT has become the management modality of...
Owing to the increased morbidity of surgery, it is usually reserved as a last resort for those patients that fail to respond to medications or for those that develop resistance to botox injections and there are several methods described in the literature. The surgical...
Management of oromandibular dystonia can be broadly divided into four domains: 1.) sensory tricks, 2.) medical management, 3.) chemodenervation using botulinum neurotoxin (BoNT), and 4.) surgical management. In this article, we explain the first two...
Oromandibular Dystonia (OMD) Oromandibular dystonia (OMD) is a rare focal neurological disorder that affects mouth, face, and jaws, defined as an involuntary, repetitive, and sometimes sustained muscle contraction of the jaw and perioral muscles. Dystonia can be...
Movement disorders are a complex group of disorders spanning all aspects of neurological illnesses and range from conditions characterized by too little movement (hypokinesis) to those where movement is excessive (hyperkinesis) [1]. Movement disorders are...
Dr. Glenn Clark, DDS developed this content for his Systems Physiology, Sleep, Motor Disorders Course for Dental Residents of the Orofacial Pain and Oral Medicine master's program at the Herman Ostrow School of Dentistry of USC. Why is sleep a concern for dentists?...
What is dental abrasion? Unlike dental attrition, abrasion is the loss of tooth structure by mechanical forces from a foreign element. If this force begins at the cementoenamel junction, then the progression of tooth loss can be rapid since enamel is thin in this...
What is dental attrition? The definition of dental attrition is the mechanical wearing of the incisal or occlusal surfaces of teeth as a direct result of functional or parafunctional tooth-to-tooth contact. The process is usually slow and rarely results in pulpal...
What is tooth erosion? Erosion is the wearing away of the tooth surface by an acid, which dissolves the enamel and the dentine. There are a variety of ways that tooth structure is lost. Food-based dental erosion was first described in 1892 among Sicilian lemon...
When dentists need to test for Obstructive Sleep Apnea or hypersomnolence, sleep-related questionnaires can be of help. The following post explores some of the interview questions clinicians use in their assessment. Best Dental Questionnaires for OSA In addition...
