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Dr. Khalid AletaibiConservative Dentistry · Dubai

Dental trauma

Chipped, Broken or Knocked Teeth in Dubai

Most dental injuries take a second: a fall, a ball, a bite on something that should never have been bitten. What is left is usually a piece of tooth in your hand and one question, whether it can go back. Often it can, and what you do in the first hour decides more than most people expect.

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Quick answer

Keep any broken piece wet, in a little water or saline, and bring it in the same day. International trauma guidelines say an intact fragment can be bonded back onto the tooth after 20 minutes of soaking, and that even where the nerve is exposed, conservative treatment that keeps it alive, such as a partial pulpotomy, is preferred in fully grown teeth as well as young ones [1]. A knocked-out adult tooth belongs back in its socket straight away; a knocked-out baby tooth does not [2] [3]. Dr. Khalid Aletaibi repairs chipped and broken teeth in Jumeirah, Dubai.

Fragment before bonding

Soaked 20 minutes in water or saline

Knocked-out adult tooth

Back in the socket, or into milk, fast

Knocked-out baby tooth

Do not put it back

Grey tooth after a knock

Monitored before any root canal

How Dr. Khalid helps

Dr. Khalid treats injured adult teeth himself: bonding a fragment back, rebuilding a broken edge in composite, protecting an exposed nerve, splinting a displaced tooth and, where it is genuinely needed, root canal treatment. Just as much of the work comes afterwards, because an injured tooth can keep changing for months, and the guidelines build a schedule of checks around that [1]. For a child, he gives you the immediate advice and keeps your child's treatment in trusted hands, while staying the family's dentist. Where an injury needs surgery, the surgical stage is planned jointly with the colleague who will carry it out, from the same records and with the finished restoration agreed first, and he stays on the case and does the restorative work.

Bring the piece: your own tooth is often the repair

When a front tooth breaks cleanly, the missing piece is usually somewhere nearby, and it is worth finding. The international trauma guidelines are direct about it: if the fragment is available and intact, it can be bonded back onto the tooth, after soaking in water or saline for 20 minutes to rehydrate it [1]. Your own fragment already matches the tooth in colour, translucency and the way it wears, because it is the same material. If the piece cannot be found and your lip was cut, the same guidelines advise an X-ray of the lip, since fragments can end up embedded in it [1].

It is worth being honest about what the long-term evidence shows. In a German university study of fractures that ran below the gumline, a harder situation than a chipped edge, 76.5 per cent of the injured teeth were still functioning after an average of 8.5 years, and among the teeth that survived, the bonded fragment itself was still in place in 66.7 per cent after an average of 9.5 years [4]. Complications were common, and the authors describe reattachment as a long-term temporary treatment: a way to keep the tooth and postpone more invasive work, often for years. For a young adult, those years matter.

When the nerve is showing, it can often still be kept alive

A break that reaches the pulp, the living tissue inside the tooth, shows as a pink or red spot and is usually sensitive to air and cold [1]. The reflex answer used to be a root canal. The guidelines now say otherwise: conservative pulp treatment, such as a partial pulpotomy, is preferred not only in young teeth that are still growing but also in teeth whose roots are fully formed [1]. The exception they name is a tooth that needs a post to hold a crown, where root canal treatment is preferred [1].

A partial pulpotomy removes only the top two or three millimetres of the exposed pulp [5] and seals the healthy tissue beneath with a biocompatible material; the guidelines specify non-staining versions, which matters on a front tooth [1]. In a prospective study of 47 fully grown front teeth treated this way within 24 hours of injury, 93.6 per cent were judged successful over 12 to 60 months of follow-up, and three teeth needed a root canal later [5]. An umbrella review of the published systematic reviews found the approach promising but rated the evidence behind it as critically low in quality, so it is a strong option rather than a guarantee [6]. That is exactly why the follow-up visits matter.

A grey tooth after a knock is not automatically a dead tooth

A tooth that was knocked but not broken can darken over the following weeks, and the natural assumption is that the nerve has died and a root canal is needed. The guidelines caution against rushing. After these injuries a tooth can give a false negative on pulp testing for several months, and root canal treatment should not be started on the basis of that test alone [1].

Part of the reason is a phenomenon called transient apical breakdown, in which the injured pulp darkens the tooth and the X-ray can look worrying, and then it heals. In one dental practice's series of 56 injured mature teeth, it appeared in 43.8 per cent of teeth that had been loosened and 75 per cent of teeth pushed sideways, with dark discolouration able to fade and normal responses to return as late as 12 months after the injury [7]. The guideline for baby teeth follows the same logic: discolouration may fade over weeks or months, and root canal treatment is not indicated for a discoloured tooth unless there are signs of infection [3]. Watching carefully, with tests and X-rays at set intervals, is treatment, not delay.

Knocked out, knocked loose, and the baby-tooth exception

For a knocked-out adult tooth, speed is most of the story. The cells on the root surface that let it reattach start dying once the tooth is dry, and after 30 minutes of dry time most of them are no longer viable [2]. Hold it by the crown, not the root, and put it back in the socket if you can. If you cannot, carry it in milk, a tooth-storage solution, saliva spat into a cup, or saline, which is the guideline's own order of preference [2]. A tooth that has been pushed out of place needs the same urgency: it is repositioned and held with a flexible splint, for about two weeks when it has been pushed partly out and about four weeks when it has been pushed sideways, then checked at set intervals, yearly for at least five years after some injuries [1].

Baby teeth are the exception parents need to know. A knocked-out baby tooth should not be put back: replanting it risks further damage to the adult tooth still forming in the jaw, and the guideline's most important reason is the danger of a young child inhaling the tooth [3]. Stop the bleeding with gentle pressure, keep the tooth, and call. Dr. Khalid gives you the immediate advice and keeps your child's treatment in trusted hands, and the adult tooth still needs watching as it develops and comes through [3].

After the splint, and before the next knock

Splints and repairs are bonded to the teeth with composite, and removing that composite afterwards is where enamel can be quietly lost. A laboratory study found that shining an inexpensive violet torch on the teeth while removing trauma splints, which makes leftover composite glow against the enamel, significantly reduced damage to the enamel surface [8]. It is the same fluorescence-guided approach Dr. Khalid uses for aligner attachments and brace adhesive: see exactly what is left, remove only that, and polish.

Dental injuries are common enough that a worldwide meta-analysis estimated more than a billion living people have had one, with a prevalence of 15.2 per cent in the permanent teeth [9]. Across eight studies of contact-sport athletes, dental injuries were recorded in 7.75 per cent of mouthguard users against 48.31 per cent of those who did not wear one [10]. These are observational comparisons rather than controlled trials, but the direction is consistent, and for children and adults in contact sports a well-fitted mouthguard is worth discussing at your next visit.

If a tooth chips or breaks

  1. 1

    Find the piece

    Check the floor, your clothing and the mouth itself. If the lip is cut and the piece is missing, mention it when you call.

  2. 2

    Keep it wet

    In a little water or saline, which is what the guidelines use to rehydrate a fragment before it is bonded.

  3. 3

    Rinse and cool

    Rinse your mouth with water and hold something cold against the lip or cheek for swelling.

  4. 4

    Call the same day

    Even if nothing hurts. A loosened tooth or a cracked root can be invisible, and either changes what the tooth needs.

Repairing a broken front tooth: the three routes

Repairing a broken front tooth: the three routes
Your own fragment bonded backComposite built up by handVeneer or crown
When it fitsThe piece is found, intact, and kept wetThe piece is lost, shattered or too smallA large part of the tooth is lost, or an earlier repair keeps failing
Healthy tooth removedEssentially noneNone or very littleMore, and considerably more for a full crown
Colour matchYour own enamel; the join may need polishingBuilt in layers to match your toothMade to match, in the laboratory or chairside
Over the yearsCan come off and be re-bonded; a long-term temporary repairCan chip or stain, and can be repaired or refreshedHard-wearing, but the tooth removed for it does not come back

What to expect

In practice

  • A check of the injured tooth and its neighbours, since a knock rarely stops at one tooth and a hidden root fracture or loosening changes the plan
  • An X-ray, and a look at a cut lip or cheek if part of the tooth is missing, because fragments can end up in the soft tissue
  • Your own fragment bonded back where it is intact, or the edge rebuilt in composite where it is not
  • The nerve protected rather than removed wherever the tooth allows
  • A written schedule of follow-up checks, because an injured tooth can change colour or lose its nerve weeks or months later

You always get an honest opinion and a written plan before any treatment begins, with no pressure.

Common questions

Frequently asked questions

Can a chipped front tooth be fixed the same day?
Usually, yes. A small chip can be smoothed or rebuilt in composite in one visit, and an intact fragment can often be bonded back on after it has been rehydrated for 20 minutes [1]. A bigger break, one that reaches the nerve, or one that runs below the gum needs an X-ray first, and the plan follows from what it shows.
I lost the broken piece. Is that a problem?
It changes the repair rather than ruling one out. Without the fragment, the edge is rebuilt in composite, layered to match the tooth [1]. If the piece is missing and your lip was cut, say so: the guidelines advise an X-ray of the lip, because a fragment can end up embedded in the soft tissue [1].
My tooth went grey after a knock. Does it need a root canal?
Not automatically. A tooth can darken after a knock and then recover, sometimes over many months, and it can fail the nerve test for months while still being alive [1] [7]. The guideline for children's teeth states outright that root canal treatment is not indicated for a discoloured tooth without signs of infection [3]. The decision should rest on follow-up tests and X-rays, not on colour alone.
Should I put a knocked-out baby tooth back in?
No. Unlike an adult tooth, a knocked-out baby tooth should not be replanted: it can harm the adult tooth forming in the jaw, and a young child could inhale it [3]. Stop the bleeding with gentle pressure, keep the tooth, and call, so the child is checked and the adult tooth can be watched as it develops.
How long does a bonded fragment last?
In a long-term study of fractures that ran below the gumline, the bonded fragment was still in place in 66.7 per cent of the surviving teeth after an average of 9.5 years, and the authors called reattachment a long-term temporary treatment [4]. A fragment that comes off can often be re-bonded, or the tooth moved on to another restoration later, and in the meantime you keep your own tooth.
My tooth feels loose after a fall. What should I do?
Call the same day, even if it does not hurt much. A displaced tooth is repositioned and held with a flexible splint, for about two weeks if it was pushed partly out and about four weeks if it was pushed sideways; a tooth that is loose but still in place gets a splint for up to two weeks only if it is very mobile or tender to bite on [1]. Either way it is then checked at set intervals, because the nerve and root can react weeks or months later.

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