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101 Union St N, Nashville, Tennessee 37201, US
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SPG Blocks: new treatment for chronic migraines

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Chronic and acute Migraine Headache relief can be achieved with breakthrough procedure called a SPG BLOCK.
 
So many people suffer from migraines in Nashville – yet there are few options for relief, but Downtown Dental now offers a new breakthrough therapy for migraine treatment. 

 
SPG is a revolutionary procedure for immediate relief from chronic and acute migraines, cluster headaches, and others. The treatment is performed without needles or pills by properly administering a small amount of anesthetic into each nostril and takes about five minutes. The anesthetic can “turn off” or “reset” the nerve pathways that keep headaches going and can work for people that have not responded to other treatments and medications.
 
The SPG is a collection of nerve cells located just under the tissue lining the back of the nose. By applying a local anesthetic to the area, nerve impulses can be temporarily blocked, providing relief from various types of pain.
 
Most types of facial or head pain can be treated with an SPG block. Temporarily blocking function of the SPG can provide prompt, and sometimes sustained, relief of pain. It is theorized that an SPG block provides sustained relief by disrupting dysfunctional neuronal activity, allowing restoration of normal function.
 
There are very few circumstances in which an SPG Block cannot be used.  There are no incapacitating effects like drowsiness or impaired function which would prevent you from continuing with your normal day.  
 
Are you interested in digging deeper into SPG block therapy for migraine headache relief? Call our office at (615) 254-1393 to schedule a visit with Dr. Clark. 

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Services

Prevention, Gum Health & Comfort

  • Cleanings & Gum Health: Gentle hygiene with laser therapy options to limit antibiotics.
  • Cavity Care: Conservative fillings/onlays that save healthy tooth.
  • Sensitivity & Emergency Relief: Same-day when possible.
  • Cold Sore & Ulcer Laser Treatment: Laser care for herpetic lesions/aphthous ulcers to reduce pain and speed healing.
  • Risk & Habits Review: Diet, saliva, myofunction, and mouth-breathing that elevate cavity/gum risk.
  • Homecare Plan: Simple, sustainable changes with measurable impact.

Restorative & Missing Teeth Replacement 

  • Conservative Cavity Care: Small, tooth-colored fillings that remove as little enamel as possible so your teeth last longer.
  • Inlays & Onlays First: Bonded inlays/onlays as our go-to over crowns, preserving far more natural tooth structure.
  • Enamel-Sparing Crowns: When crowns are truly needed, we design them to leave up to 50% more natural enamel than typical approaches.
  • Save-Your-Teeth Reconstruction: In severe wear or erosion, we rebuild and stabilize teeth that many offices would extract for full-arch implants, often avoiding full-mouth removal.
  • Full-Arch Implants When Needed: All-on-X-style implant solutions for cases that genuinely require extractions-never a one-size-fits-all default.
  • Bite-Tuned, Long-Lasting Results: Every restoration is calibrated to your bite to reduce fractures and the cycle of redoing dentistry every few years.

Bite, TMJ & Myofunction

  • Digital Bite Mapping & Calibration: Measure contacts and timing to stop chips, cracks, and “high” crowns.
  • Custom Day/Night Appliances: Designed to your ideal joint/muscle balance (beyond generic guards).
  • Myofunctional Therapy: Retrain tongue, lips, and breathing to reduce clenching, improve stability, and lower cavity/gum risk.
  • TMJ Care (Non-Surgical): Joint, muscles, teeth, airway/sleep, and posture considered together.

Airway, Sleep & Myofunction

  • Screening for Mouth-Breathing/Apnea: Identify sleep contributors to inflammation, decay, and grinding.
  • Oral Appliances and Myofunctional Therapy for Sleep Apnea: Plus collaboration with sleep/ENT partners.
  • Tongue-Tie Release (Frenectomy): When indicated, to support nasal breathing, speech, and oral function.

Orthodontics & Alignment (Adults & Teens)

  • Clear Aligners/Orthodontics: Improve alignment and function, timed to health and airway needs.
  • Relapse & Retention Planning: Stabilize muscles and bite so results last.

Kids & Growing Smiles

  • Early Growth & Airway Evaluation — Age-appropriate screening for nasal breathing, tongue posture, crowding, and sleep-related issues.
  • Myofunctional Support (Early Intervention) — Train healthy habits (nasal breathing, tongue posture, lip seal, chewing/swallow) to guide growth and reduce future problems.
  • Guided Orthodontics — When needed, we time orthodontic treatment to growth to expand space, correct crowding, and help them catch up if development is behind.
  • One Team, Clear Roadmap — We coordinate with parents on what to do now, what to watch, and when to act next.

Cosmetic & Facial Aesthetics

  • Prepless, conservative veneers: Transform your smile while preserving your natural enamel whenever possible.
  • Facially driven smile design & previews: Plan your smile around your face, lips, and profile-and use digital mockups/temporaries to try out your new look before anything is permanent.
  • Non-surgical "dental facelift": Improve facial support, fullness, and symmetry through thoughtful changes in bite and tooth position.
  • Additive cosmetic bonding: Repair chips and reshape worn edges without aggressive drilling.
  • Whitening & color harmony: Professional whitening and shade-matching that works with your natural teeth and restorations.
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Ready to stop by? View Downtown Dental’s office hours below.
Monday7:00 AM – 5:00 PM
Tuesday7:00 AM – 5:00 PM
Wednesday7:00 AM – 5:00 PM
Thursday7:00 AM – 5:00 PM
Friday7:00 AM – 3:00 PM
SaturdayClosed
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