Baby Tooth Cavity Treatment: Filling, Pulpectomy or Extraction? A Ghaziabad Parent’s Guide

Why Do Milk Teeth Still Matter if They Fall Out Anyway?

Because the back milk teeth are not temporary in any practical sense. They stay until about ten to twelve years, hold the space for the permanent teeth, and sit directly above the permanent tooth buds. A decayed milk molar can mean years of pain, poor chewing and broken sleep, and an infection there can affect the tooth developing underneath.

“Doctor, it will fall anyway” is the sentence I hear most often from grandparents, and I understand where it comes from. For a front milk tooth that is already wobbly at six, it is often true. For a four-year-old’s back molar it is not: that tooth has six or seven more years of chewing to do. If it is lost early, the teeth on either side tip into the gap, and the permanent tooth can come in crooked or get blocked.

The scale of the problem is large. A 2022 meta-analysis in the Indian Journal of Public Health found early childhood caries in 46.9% of Indian children, with an average of 2.23 affected milk teeth per child. Most of the children I see with a cavity have more than one.

Early Cavity: Baby Tooth Cavity Treatment at the Filling Stage

When decay is limited to the outer layers and the nerve is healthy, a simple filling is enough, usually done in one short visit and often without an injection for small cavities. The very earliest stage, a chalky white line near the gum, can sometimes be stopped with fluoride and diet change, with no drilling at all.

The catch with milk teeth is speed. Their enamel is roughly half as thick as on permanent teeth, and the nerve sits much closer to the surface, so a cavity can go from “small” to “into the nerve” within months. That is why I would rather fill a small cavity this month than wait for the next school holidays.

Black spots on a child’s teeth are not always cavities. A thin black line along the gum on several teeth is often a harmless bacterial stain, and iron supplements can stain too. A dark spot that is hard and shiny may be old, stopped decay that only needs watching. A dark spot that is soft, catches food or hurts with sweets is active decay. Telling these apart is one of the main reasons we examine before we quote.

When the Nerve Is Involved: Pulpotomy or Pulpectomy

Once decay reaches the pulp, the nerve and blood supply inside the tooth, a filling alone will fail. If only the top part of the pulp is inflamed, we remove that part and seal the rest: a pulpotomy. If the whole pulp is infected, we clean out the root canals and fill them with a paste that dissolves with the roots: a pulpectomy. A back tooth is then usually covered with a small crown.

Root canal treatment is my daily work, and milk teeth are their own subject. Their canals are thin, curved and ribbon-shaped, and their roots are designed to dissolve as the permanent tooth pushes up. So we use materials that dissolve along with them. The crown on a milk molar is a pre-formed stainless steel cap that falls out with the tooth when its time comes, not the kind of crown adults get.

On the evidence: a 2018 Cochrane review of 47 trials and 3,910 milk molars found no single pulpotomy material clearly better than the rest, with MTA or ferric sulphate possibly preferable, and called the overall evidence low quality. In plain words, the technique and case selection matter at least as much as the brand of material.

When Is Extraction the Right Choice?

Extraction is advised when a milk tooth is too broken down to restore, when infection has destroyed too much of the root or bone, when the tooth is already loose and close to falling out, or when keeping it would put the permanent tooth underneath at risk. For an early loss of a back tooth, a space maintainer usually follows.

An honest note on space maintainers. A critical appraisal of 20 studies covering 2,265 space maintainers in children under twelve found no strong evidence for one design over another, and most had a mean survival of two years or less. So if your child gets one, expect a repair or a remake along the way. It is part of the plan, not a sign it went wrong.

How Do We Make Treatment Gentle?

We numb the gum with a gel before any injection, give the anaesthetic slowly, keep the tooth isolated with a soft rubber sheet so no water runs down the throat, and break long work into short visits. Most children manage fillings and pulpectomies comfortably this way.

For the rare child who is very young, has many teeth to treat or simply cannot cope in the chair, treatment under sedation or general anaesthesia in a hospital setting is the kinder route, and we will tell you if we think that applies. How we talk to anxious children, and whether you stay in the room, is covered in our guide to choosing a child-friendly kids dentist.

What Happens if You Wait?

Decay in a milk tooth does not stop by itself. A cavity that needed a small filling becomes one that needs nerve treatment, then possibly an extraction and a space maintainer. Each step means more visits, a harder experience for your child and a higher cost. The usual trigger for coming in is night-time pain or a swollen face.

• Stage one: a brown spot that catches food. No pain. This is the cheapest and easiest point to act.
• Stage two: pain with sweets or cold, food packing between the back teeth, a child chewing on one side.
• Stage three: pain at night that wakes the child, often after a few weeks of on-and-off complaints.
• Stage four: a pimple on the gum, a bad taste, or swelling of the cheek. This needs to be seen the same day.

If your child is in pain right now, our guide to tooth pain causes and symptoms helps you judge how urgent it is, and the symptom checker is a quick first step.

Preventing the Next Cavity

Treating one cavity without changing what caused it usually means another within a year. The causes are nearly always frequent sugar, a feed or sweet drink after the night brush, and brushing that misses the back teeth. Fluoride varnish and sealants on new permanent molars add real protection on top.

Varnish reduced decay by 37% in milk teeth in a large Cochrane review, and our parent’s guide to fluoride varnish and dental sealants for kids covers who benefits and what the visit involves. At home: parents brush or finish the brushing until about seven or eight, use a fluoride toothpaste, and keep the bottle or milk feed before the last brush, never after.

What to Expect at the Cavity Appointment

We examine every tooth, not only the one that hurts, take an X-ray where decay may be close to the nerve, and show you what we see on the screen. You then get a written plan, tooth by tooth, with the painful tooth first and the rest sequenced over short visits. Nothing is started until you have agreed to it.

Dental X-rays for children use a very low dose and are taken only when they change the decision. If you already have an X-ray from another clinic, bring it. Kids’ treatment is planned case by case, so we do not quote before examining; your final cost is confirmed only after the doctor examines your child, and it is written on the plan. If this is your child’s first ever dental visit, our first-visit guide explains that appointment, and our kids dentistry page has the rest of what we offer for children. Adults weighing up their own options will find crown versus filling for adult teeth a different decision altogether.

Baby Tooth Cavity FAQs

More answers in our pediatric dentistry FAQ for Vaishali and Ghaziabad.

Related Reading

Kids dentistry in Vaishali · Fluoride and sealants for kids · Choosing a kids dentist near Indirapuram · Your child’s first dental visit · Tooth pain at night: what to do · Preventive dentistry.