Gum Recession: Causes, Treatment and Does It Grow Back?

Gum recession is the gum retreating from the tooth and exposing the root, and its two commonest causes are aggressive brushing with a firm brush and gum disease. Receded gum does not return on its own, but treatment halts the decline, and in selected cases the root can be covered with a surgical gum graft.

Why it matters

The root carries no enamel like the crown does, but a very thin layer called cementum which is far weaker and erodes and decays faster.

When the root is exposed three problems appear together: marked sensitivity to cold, high susceptibility to decay, and a tooth that looks longer than its neighbours.

More importantly, recession may signal loss of the bone beneath, and that is what determines how serious the case is.

The causes

Cause	Distinguishing sign
Aggressive brushing	Recession usually on one side with grooves
Gum disease	General recession with bleeding and inflammation
Grinding	Recession alongside worn chewing surfaces
Genetically thin gum	Early recession despite good care
Teeth positioned outside the arch	Recession on one or two specific teeth
Orthodontics	Recession during or after extensive movement
Lip or tongue piercing	Localised recession at the point of contact
Smoking	Recession with impaired healing

The aggressive brushing paradox

One of the most surprising situations is a patient arriving with receded gums who says they brush three times a day, hard.

The reason is that a firm brush, heavy pressure and harsh horizontal strokes act like a file on the gum margin, pushing it back gradually and carving a palpable groove at the neck of the tooth.

A telling sign is that recession is more marked on the side opposite the hand used, so a right-handed person shows worse recession on the left side of the mouth.

Does the gum grow back?

The honest answer: it does not return on its own no matter what you do.

Lost gum tissue does not regenerate by itself, and all good care achieves is halting the decline and preventing more.

Claims about remedies or toothpastes that regrow gum are not accurate, and any slight improvement you notice is inflammatory swelling subsiding rather than new tissue forming.

Genuine restoration is achieved surgically only, through a gum graft, and that is a successful procedure in selected cases.

Treatment

Stopping the cause first

No treatment is worthwhile before identifying and stopping the cause, whether a brushing technique, inflammation or grinding.

Treating the symptoms

Fluoride varnish and sensitive-teeth toothpaste reduce sensitivity, and a composite filling covers the groove carved at the neck of the tooth.

Gum grafting

Tissue is taken from the palate or a tissue substitute is used and secured over the exposed root, and it is the only approach that genuinely covers the root, suiting cases with clear recession and sound bone beneath.

Less invasive techniques

In some cases adjacent gum can be repositioned to cover the root without taking tissue from elsewhere.

Care after a gum graft

The success of a graft depends on the following two weeks as much as on the surgery itself.

• Do not brush the area until your dentist allows it, and use the prescribed rinse instead
• Do not pull the lip to look at the site, since pulling tears the sutures
• Soft cool food in the early days
• Chew on the other side
• Stop smoking completely, the greatest threat to graft success
• Avoid physical exertion for the first two days

The donor site on the palate is usually more uncomfortable than the grafted site itself, and it heals within one to two weeks.

How to halt its progress

• A soft brush only, and never buy a firm one however much it seems to clean better
• Light pressure, and if the bristles bend you are pressing too hard
• Circular motion rather than horizontal
• An electric brush with a pressure sensor helps many people who struggle to control force
• Treat gum inflammation promptly
• A night guard for anyone who grinds
• Regular professional cleaning
• Photograph the area every few months from the same angle to track change

Does your recession need intervention?

Situation	Usual decision
Mild stable recession, no symptoms	Monitor and correct brushing
Recession with sensitivity	Fluoride and sensitive toothpaste
A carved groove at the neck	Composite filling
Recession advancing despite care	Search for a deeper cause
Clearly exposed root with cosmetic concern	Gum graft
Recession with bone loss and mobility	Comprehensive gum treatment first

At Zed Dental Center

We begin by identifying the cause, because treatment differs entirely between recession from aggressive brushing and recession from bone loss, and we assess the bone beneath before recommending any graft since its success depends on sound bone.

Frequently asked questions

Does recession mean I will lose the tooth?

Not necessarily, since recession from aggressive brushing can stop entirely once technique is corrected, while recession from bone loss needs broader treatment.

Is there a toothpaste that regrows gum?

No, toothpastes address sensitivity only and cannot restore lost tissue.

Is grafting painful?

It is done under local anaesthetic, and discomfort afterwards is greater at the donor site than at the graft itself, lasting a few days.

Does orthodontic treatment cause recession?

It can with extensive movement in thin gum, which is why an orthodontist assesses gum thickness before planning.

Why do my teeth look longer?

The tooth has not grown, the gum has retreated and exposed part of the root, and that is recession.

Can it recur after grafting?

It can if the original cause continues, which is why correcting brushing technique and treating grinding are conditions of long-term success.

Book a gum assessment

Halting recession early is far easier than replacing what has been lost.

Reviewed by the medical team at Zed Dental Center.