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Gingival Hyperplasia - Causes, Types, and Management

Published on Jun 02, 2021 and last reviewed on Sep 23, 2022   -  5 min read

Abstract

Gingival health has altered physiology in many conditions ranging from local to systemic linked causes. Gingival enlargement or hyperplasia is not an uncommon oral health issue as it is usually symptomatic with bleeding, bad breath, and an unsightly puffed or inflamed appearance. Read the article to find out the causes, types, and management by your dental surgeon for this condition.

Contents
Gingival Hyperplasia - Causes, Types, and Management

What Is Gingival Hyperplasia or Hypertrophy?

It is a localized or generalized irregular enlargement of the marginal or attached gingiva due to chronic inflammation of the gum tissues locally or systemic induced inflammatory changes by drugs, nutritional deficiencies, hormonal changes or abnormalities, or autoimmune changes and infections.

Gingival inflammation may be limited only to a particular quadrant or specific area in between or surrounding the teeth in the oral cavity or maybe generalized in all quadrants. Hyperplasia is an increase in the number of cells, while hypertrophy is an increase in the size of individual cells. Though these two terminologies are considered different because of microscopic distinctions, the disease process is the result of gingival inflammation, referred to as gingival enlargement.

What Is the Etiology of Gingival Enlargements?

Gingival hyperplasia though multicausative in origin, still mainly stems from three major causes:

  1. Inflammatory induced enlargement
  2. Drug-induced/medication-induced enlargement
  3. Systemic disease-induced enlargement.

The modalities for managing gingival hyperplasia are mainly dependent on the etiology and may be invasive or non-invasive depending on the extent of inflammation or enlargement.

What Are the Types of Gingival Enlargements?

1. Inflammatory Gingival Enlargement:

This type of enlargement is more often associated with a local specific cause that results in a reddish, soft, shiny texture, and bleeding appearance of the gingiva or gums.

The specific causes would be due to:

2. Drug-Induced Gingival Enlargement:

Medication-induced gingival enlargement is featured by fibrous overgrowth on the gingiva or the superimposed boggy appearance of the gums. It occurs commonly in these patients on the following medications :

According to research and medical literature, anticonvulsant therapy-related gingival enlargement constitutes the major number of cases or peak incidence of around 50%, especially with Phenytoin, also referred to as Dilantin Hyperplasia. Calcium Channel blockers and Cyclosporine/immunosuppressant constitute 30% and 10-20 % of cases with gingival enlargement. There is evidence regarding the mechanism of action of these drugs as they can impair the secretion of collagenase by the gingival fibroblast cells resulting in an excessive accumulation of gingival collagen.

3. Systemic-Linked Gingival Enlargement:

The systemic or bodily conditions that are linked to gingival hyperplasia and hypertrophy are diverse. The inflammatory response seen on the gingiva would be localized or generalized because of the following conditions:

How Is Gingival Hyperplasia Managed?

The aim of treatment for gingival enlargement is to alleviate the patient’s discomfort while eating and chewing, treating the inflammation, and reduce the gingival swelling and give a better cosmetic appearance. The modalities of treatment are medical and surgical.

In the medical line of management, surgery is reserved for recurrences or cases that persist despite good medical treatment. Discontinuing the medication in case of drug-induced gingival enlargement and substituting it with an alternative to Phenytoin (on the advice of the neurologist) like Carbamazepine and Valproic acid, which has shown a lower impact on gingival enlargement would be effective. Similarly, the use of Azithromycin in combination with Cyclosporine or substitution with Tacrolimus has shown decreased severity in drug-induced gingival enlargement. Diltiazem and Verapamil exhibit a lower prevalence of gingival enlargement side effects compared to Nifedipine which is a commonly used calcium channel blocker drug for hypertension.

Before the surgery options can be considered, management by the dental surgeon includes plaque control, proper oral hygiene, and professional plaque removal by periodic deep scaling. Control of inflammation, including NSAIDS (Non-steroidal anti-inflammatory agents), antibiotic prophylaxis to control infection, and, if needed, topical antifungals medications like Nystatin may also be added as an adjunct to non-surgical therapy by the dentist in managing gingival hyperplasia. Folate supplementation has also proved beneficial by dental surgeons in controlling hyperplasia and hypertrophy.

How Is Gingival Hyperplasia Surgically Treated?

Conventional surgical treatment includes the use of surgical blades, knives, high-speed burs to remove the excess gingival tissue. Dental lasers such as diodes, CO2, and Erbium YAG have also been implemented to remove excess soft tissue after surgical intervention. The surgical methods mainly include gingivectomy (the oldest surgical approach in periodontal therapy and involves the removal of a pocket wall, providing visibility and accessibility for complete calculus removal and thorough smoothening of the tooth root) and periodontal flap surgery.

Electrocautery may be used in difficult cases, in children, or where the gingiva is fragile and likely to bleed. The CO2 laser has a wavelength of 10600 nm that is readily absorbed by water and therefore is effective in the surgery of soft tissue with high water content like the gingiva. Blood vessels up to a diameter of 0.5 mm can be seen effectively and provide a dry field for better visibility of the surgical field. A laser is preferred over the scalpel as it has strong bactericidal and hemostatic effects.

Conclusion

To conclude, gingival enlargement is associated with a diverse range of local, medical, or drug-induced conditions. The diagnosis and investigations include a differential diagnosis for false enlargement for gingival hyperplasia or hypertrophy is made only by the dental surgeon who may either treat the cause by surgical or non-surgical debridement, prophylaxis, and management of the medications. It is absolutely essential to visit the dentist on time to improve the physiological and aesthetic outcomes of the affected gingival tissue.

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Frequently Asked Questions


1.

Which Drugs Induce Gingival Hyperplasia?

Drug-induced gingival enlargement is caused by Calcium channel blockers, anticonvulsants, and immunosuppressants. Calcium channel blockers include Nifedipine, Nitrendipine, Felodipine, Nicardipine, Manidipin, Amlodipine, Nimodipine, Nisoldipine, Verapamil, and Diltiazem. Anticonvulsant drugs comprise Phenytoin, Sodium valproate, Phenobarbitone, Vigabatrin, Primidone, Mephenytoin, Ethotoin, and Ethosuximide. Tacrolimus, Sirolimus, and Cyclosporin are the immunosuppressants that are responsible for gum hyperplasia.

2.

What Are the Types of Gingival Hyperplasia?

- Drug-induced enlargement.
- Acute and chronic inflammatory enlargement.
- Hormonal and conditioned enlargement.
- Enlargement due to systemic diseases.
- Neoplastic gingival enlargement.
- Idiopathic gingival enlargement.

3.

How Can We Treat Gingival Enlargement?

Eliminating the causative agent along with well-maintained oral hygiene can help in reducing the aggression of the disease. In moderate gingival hyperplasia, scaling (debridement of plaque and calculus) and root planing (smoothing the surfaces) can provide adequate relief and reverse the condition. On the other hand, in severe gingival enlargement, surgical removal of the excessive gum tissues is needed, which can be done by laser excision, electrosurgery, periodontal flap surgery, or gingivectomy.

4.

How Does Gingival Hyperplasia Appear Clinically?

Gingival enlargement presents as reddish, tender, swollen, and bleeding gums, along with pain, malodor, and plaque deposition. In extreme cases, the gingiva may fully embrace the tooth, making it even more difficult to maintain oral hygiene and cause disturbance to teeth alignment.

5.

What Causes Gingival Enlargement in a Single Tooth?

Localized gingival enlargement can result from plaque deposition or can be a reactive lesion, as in the case of a fibrous nodule, pyogenic granuloma, and peripheral giant cell granuloma. It can also be due to malignant, idiopathic (unknown), or developmental causes.

6.

How Long Does It Take to Cure Gingival Hyperplasia?

After removing the cause of gingival enlargement or starting the treatment and surgery, it will take about one to eight weeks to cure your gingival hyperplasia.

7.

What Is the Reason for Gingival Hyperplasia in Kids?

Gingival hypertrophy due to consumption of drugs like Cyclosporin, Phenytoin, and Nifedipine, hereditary gingival fibromatosis, and von Recklinghausen disease are the most common causes for gum enlargement in children.

8.

Is Gingival Hyperplasia a Communicable Condition?

Gingival enlargement is not a contagious condition as it can neither be acquired nor transmitted from one person to another person. However, the bacteria causing gingival diseases can be transmitted through saliva.

9.

Can Gingival Hyperplasia Turn Malignant?

A small number of gingival enlargements can turn cancerous. It accounts for about 8 percent of oral tumors. Benign tumors of the gingiva are fibroma, papilloma, peripheral giant cell granuloma, etc. Malignant tumors include squamous cell carcinoma, malignant melanoma, and sarcoma.

10.

How Can We Identify False Enlargements of the Gingiva?

False or pseudo enlargements of the gingiva occur due to the development of the underlying dental or osseous tissues. They can be differentiated from gingival enlargement by the fact that they show an increase in the size of the area but do not present any abnormal clinical features, including inflammation. These false enlargements are seen in tori, Paget’s disease, osteoma, osteosarcoma, fibrous dysplasia, etc.

Last reviewed at:
23 Sep 2022  -  5 min read

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