How to Fix a Gummy Smile: Understanding Crown Lengthening and Gum Contouring

A smile that shows too much gum tissue can make otherwise healthy teeth appear short or small. This condition, known as a gummy smile or excessive gingival display, affects millions of adults. For patients in Woodhaven, Brownstown, Trenton, and across the Downriver area who feel self-conscious about their gum-to-tooth ratio, modern periodontal procedures offer effective solutions. Crown lengthening and gum contouring reshape the gum line to reveal more tooth structure, creating a balanced, aesthetically pleasing smile. This guide explains the causes of gummy smiles, the difference between these two procedures, what to expect during treatment, and recovery timelines.

Table of Contents

What Is a Gummy Smile and What Causes It?

A gummy smile, clinically referred to as excessive gingival display, occurs when more than 2 to 3 millimeters of gum tissue shows above the upper teeth when smiling. While some gum display is normal and attractive, excessive exposure can make teeth appear short and the smile unbalanced. Understanding the underlying cause determines which treatment approach works best.

Primary Causes of Excessive Gum Display

• Short clinical crowns: The teeth are normal size, but excess gum tissue covers the enamel, making teeth appear short and square. This is the most common cause and responds well to gum contouring.
• Delayed passive eruption: The gum tissue fails to recede to its proper position as the tooth erupts, leaving excess gum covering the crown. This condition typically affects multiple teeth symmetrically.
• Hyperactive upper lip: The lip lifts too high when smiling, exposing more gum than normal. This requires lip repositioning surgery or Botox, not gum surgery.
• Vertical maxillary excess: The upper jaw bone is too long, causing excessive tooth and gum display. This skeletal issue requires orthognathic (jaw) surgery.
• Medication-induced overgrowth: Certain drugs like phenytoin, cyclosporine, or nifedipine cause gum tissue to overgrow.

What Is Gum Contouring (Soft Tissue Recontouring)?

Gum contouring, also called soft tissue recontouring or gingivectomy, is a procedure that removes excess gum tissue to expose more of the natural tooth crown. This treatment addresses cases where the teeth are normal size but covered by overgrown or improperly positioned gum tissue.

How Gum Contouring Works

The dentist marks the desired new gum line based on tooth proportions and smile aesthetics. Local anesthesia numbs the area completely. Using a periodontal probe, laser, or surgical scalpel, the dentist removes the excess gum tissue and shapes the remaining tissue into a natural scalloped contour around each tooth. A laser is often preferred because it cauterizes as it cuts, reducing bleeding and post-operative discomfort. The procedure takes 30 to 60 minutes for a full smile (6 to 10 teeth).

Ideal Candidates for Gum Contouring

• Teeth that appear short but are actually normal length under the gum
• Uneven gum line where some teeth show more gum than neighbors
• Excess gum tissue covering the edges of dental crowns or fillings
• Patients with healthy bone levels (no bone removal needed)
• Good oral hygiene and no active gum disease

Advantages of Gum Contouring

• Quick procedure (30-60 minutes for full smile)
• Minimal discomfort during and after
• Permanent results (gum tissue does not grow back)
• No bone removal means faster healing
• Can be combined with veneers or whitening for complete smile makeover
• Laser version has very little bleeding and faster recovery

What Is Crown Lengthening?

Crown lengthening is a more extensive surgical procedure that removes both gum tissue and underlying bone to expose more of the tooth structure. This procedure is used for two purposes: cosmetic improvement of short teeth and functional preparation for dental crowns on teeth with decay or fractures extending below the gum line.

How Crown Lengthening Works

After local anesthesia, the dentist makes small incisions in the gum tissue to create a flap. Excess gum tissue is removed, and a specialized surgical drill removes a small amount of bone from around the tooth roots. Removing bone allows the gum tissue to heal at a lower level, exposing more of the clinical crown. The gum tissue is repositioned and sutured in place. Healing takes several weeks before final restorations can be placed.

Ideal Candidates for Crown Lengthening

• Teeth with decay extending below the gum line that needs crown margin exposure
• Fractured teeth where the break goes under the gum
• Short clinical crowns that also require bone removal for adequate restoration height
• Patients needing crowns on teeth with insufficient tooth structure above the gum
• Cosmetic cases where gum contouring alone would leave a shallow gum line sulcus

Advantages and Considerations of Crown Lengthening

• Creates adequate tooth height for crowns when natural tooth is short
• Allows proper crown margins that do not invade the gum tissue
• Permanent result (bone does not grow back)
• Longer healing time (4-6 weeks before crown impressions)
• More post-operative discomfort than gum contouring alone
• Requires sutures and a follow-up appointment for removal

Gum Contouring vs Crown Lengthening: Complete Comparison

Understanding the differences between these two procedures helps patients know what to expect and which treatment their dentist recommends.

What to Expect During Gummy Smile Correction Procedures

Both procedures are performed in a dental office under local anesthesia. Understanding the steps reduces anxiety and helps patients prepare for the experience.

Gum Contouring (Laser or Scalpel) Step by Step

• The dentist applies topical anesthetic followed by local injection to numb the gums completely.
• Using a periodontal probe, the dentist measures pocket depths and marks the desired gum line.
• A dental laser or surgical scalpel removes the excess gum tissue along the marked line.
• The dentist shapes the remaining gum into a scalloped contour that follows each tooth’s natural anatomy.
• If using a laser, the procedure is bloodless and no sutures are needed. If using a scalpel, light pressure and possibly one or two sutures control bleeding.
• The patient rests for 10-15 minutes post-procedure before being discharged.

Crown Lengthening Step by Step

• After anesthesia, the dentist makes small incisions around the teeth to lift the gum tissue away from the bone.
• A surgical drill removes a precise amount of bone from around the tooth roots. The amount is predetermined from X-rays.
• The dentist may also remove some gum tissue to match the new bone level.
• The gum tissue is repositioned and sutured into place at the new, lower level.
• Periodontal packing (a putty-like dressing) may be placed over the surgical site for protection.
• Sutures are removed 7 to 14 days later. Healing continues for 4 to 6 weeks before final restorations.

Recovery Timeline and Aftercare Instructions

Proper aftercare ensures optimal healing and reduces the risk of complications. Recovery differs significantly between gum contouring and crown lengthening.

Gum Contouring Recovery (Days 1-14)

Crown Lengthening Recovery (Days 1-42)

Risks, Benefits, and Long-Term Results

Understanding both the advantages and potential complications helps patients make informed decisions.

Benefits of Gummy Smile Correction

• Immediate aesthetic improvement: Teeth appear longer and more proportionate immediately after healing.
• Increased confidence: Patients smile more freely without self-consciousness about gum display.
• Better oral hygiene: Removing excess gum tissue eliminates deep pockets where bacteria accumulate.
• Foundation for further dentistry: Exposed tooth structure allows for veneers or crowns if desired.
• Permanent results: Gum tissue and bone do not grow back after surgical removal.

Potential Risks and Complications

• Tooth sensitivity: Exposed root surfaces may be sensitive to cold for several weeks or months. Most sensitivity resolves over time.
• Infection: Proper oral hygiene and any prescribed antibiotics minimize this rare risk.
• Asymmetry: If gum tissue heals unevenly, a second minor adjustment may be needed.
• Recession: Removing too much gum tissue can expose root surfaces excessively.
• Bleeding: Minor oozing is normal. Significant bleeding is rare.

Long-Term Outlook

Results from both procedures are permanent. Gum tissue does not grow back to its original level. Bone removed during crown lengthening does not regenerate. Patients enjoy their new smile for decades. Normal aging causes gradual changes in gum position, but the relative improvement remains. Regular dental hygiene visits every six months maintain gum health and monitor the healing result.

Community Overview — Gummy Smile Correction for Woodhaven and Downriver Residents

For patients in Woodhaven, Brownstown Charter Township, Trenton, Riverview, Taylor, Southgate, and surrounding Downriver communities, gummy smile correction is available from local dentists with periodontal training. Dr. Ben Hanson at Brownstown Dental Care on Allen Road performs both laser gum contouring and crown lengthening procedures. Patients from nearby neighborhoods including Woodhall Forest, Heritage Square, and Ranchville appreciate having local access to cosmetic periodontal surgery without traveling to Detroit or Ann Arbor.

The practice serves families from Flat Rock, Rockwood, and Grosse Ile as well, providing comprehensive cosmetic dentistry that addresses both tooth and gum aesthetics. Whether a patient needs minor gum reshaping or more extensive crown lengthening for crown preparation, the Downriver area offers skilled providers who understand local preferences for natural-looking, conservative treatment.

For a complete overview of all cosmetic options available, read the full guide to smile makeovers or explore soft tissue recontouring services at Brownstown Dental Care.

Frequently Asked Questions (FAQs)