Teething is the process by which an infant’s first teeth, known as primary or milk teeth, break through the gums, and it typically brings mild gum soreness, drooling, irritability, and a strong urge to chew on objects. Most babies begin teething somewhere between four and seven months of age, though the exact timing varies widely between children and even between siblings in the same family. Understanding what is a normal part of this process, and what signs warrant a closer look, helps carers respond calmly and supports healthy oral development from the very first tooth through to the full set of primary teeth around the third year of life.
Key takeaways
- Teething usually starts between four and seven months, though the range of normal is broad.
- Mild gum discomfort, drooling, and chewing behaviour are typical; high fever or persistent diarrhoea are not caused by teething.
- Gentle gum massage, cool teething rings, and appropriate pain relief can ease discomfort.
- Oral hygiene should begin as soon as the first tooth appears, using a soft brush and a rice-grain smear of fluoride toothpaste.
- Early dental visits and healthy feeding habits lay the foundation for a lifetime of good oral health.
When Do Babies Typically Start Teething?
Most infants get their first tooth, usually a lower front incisor, somewhere between four and seven months of age. However, there is considerable natural variation, and some babies show their first tooth as early as three months while others do not until closer to their first birthday. A small number of babies are even born with one or two teeth already present, which is a normal, if less common, variation rather than a cause for concern in most cases.
By around age three, most children have a complete set of twenty primary teeth, having gained roughly four new teeth every four to six months during the process. The order in which teeth emerge tends to follow a fairly predictable pattern, starting with the lower central incisors, followed by the upper incisors, then the lateral incisors, first molars, canines, and finally the second molars. Knowing this general sequence can help carers anticipate which symptoms might appear next and reassure them that their child’s development is progressing typically.
What Are the Common Signs of Teething?
Teething commonly causes increased drooling, a tendency to chew or gnaw on fingers and objects, mild gum swelling or tenderness, and general fussiness or disrupted sleep in the days surrounding a tooth‘s emergence. Some infants also rub their cheek or ear on the side where a tooth is coming through, since the nerve pathways in that area overlap. These symptoms are usually mild and tend to appear a few days before a tooth breaks the surface, settling once the tooth has fully emerged.
It is worth noting that many symptoms once blamed on teething, such as high fever, prolonged diarrhoea, vomiting, or widespread rash, are not actually caused by the teething process itself according to well-established paediatric and dental research. If these more significant symptoms appear, it is more likely that an unrelated illness is coinciding with the teething period, and it is sensible to seek appropriate medical advice rather than assuming teeth are the cause. Recognising this distinction helps carers avoid overlooking a separate health issue.
How Can Teething Discomfort Be Eased Safely?
Gentle relief methods are usually the safest and most effective way to soothe a teething infant. Rubbing a clean finger or a cool, damp cloth firmly along the gum line can provide comfort, as can offering a firm, chilled (not frozen) teething ring for the child to chew on. The pressure and cold sensation help to counteract the discomfort of the tooth pushing through the gum tissue, and many babies find repetitive chewing soothing in itself.
Over-the-counter pain relief formulated for infants may be appropriate in some cases, but any medication should only be given following advice from a pharmacist or healthcare provider, with careful attention to correct dosing for the child’s age and weight. Teething gels containing numbing agents are generally not recommended for infants due to safety concerns, and products with beads or small parts that could pose a choking hazard should always be avoided. Simple, supervised methods remain the most reliable approach for most families.
When Should Oral Hygiene Begin for Infants?
Oral hygiene should start well before the first tooth appears. Wiping an infant’s gums gently with a clean, damp cloth after feeds helps remove residue and gets the baby accustomed to having their mouth touched, which makes brushing easier once teeth arrive. As soon as the first tooth erupts, brushing should begin twice daily using a soft-bristled, age-appropriate toothbrush.
A smear of fluoride toothpaste no larger than a grain of rice is generally recommended for children under three, increasing to a pea-sized amount as the child grows and is able to spit rather than swallow toothpaste. Establishing this routine early helps prevent early childhood tooth decay, which can affect even very young children if sugary liquids, including milk or juice left in a bottle overnight, are allowed prolonged contact with the teeth. Consistency at this early stage sets the pattern for lifelong habits.
Why Do Primary Teeth Matter If They Eventually Fall Out?
Primary teeth play a far more important role than simply allowing a child to chew food. They support clear speech development, help maintain proper spacing for the permanent teeth that will eventually replace them, and contribute to a child’s confidence and facial development during these formative years. Losing a primary tooth prematurely, whether through decay or injury, can allow neighbouring teeth to drift into the gap, which may crowd out the permanent tooth trying to emerge later.
Because of this, primary teeth deserve the same careful attention as permanent teeth, including regular brushing, a balanced diet low in frequent sugar exposure, and routine dental check-ups. Decay in primary teeth can also lead to pain, infection, and difficulty eating, which can affect a child’s growth and wellbeing more broadly. Treating primary teeth as genuinely important, rather than temporary and dispensable, is one of the clearest ways to protect a child’s long-term oral health.
When Should a Child Have Their First Dental Visit?
Dental professionals generally recommend that a child’s first dental visit take place around the time of their first birthday, or within six months of the first tooth appearing, whichever comes first. This early visit is typically brief and low-pressure, focused on checking that development is progressing normally, offering carers guidance on brushing technique and diet, and helping the child become comfortable with the dental environment from an early age.
Starting dental visits early also allows small issues, such as early signs of decay or unusual eruption patterns, to be identified and addressed before they become more significant problems. Regular check-ups every six months, or as recommended by the dental team, help build familiarity and reduce anxiety around future visits. A positive early experience with dental care can shape a child’s attitude toward oral health for years to come, making ongoing visits far less daunting.
How Does Diet Affect Teething and Early Oral Development?
Diet plays a significant role in both comfort during teething and the long-term health of a child’s emerging teeth. Cool, soft foods can be soothing for gums that are sore from an emerging tooth, while foods and drinks high in sugar increase the risk of early childhood decay, particularly when consumed frequently throughout the day or left in contact with teeth for extended periods, such as during bottle-feeding at nap time or overnight.
Water should be encouraged as the primary drink between meals once a child is old enough, as it does not contribute to tooth decay in the way that juice, flavoured milk, or sweetened drinks can. Introducing a varied diet that includes textured foods, once appropriate for the child’s age, also encourages healthy chewing patterns that support jaw development. Establishing sensible feeding habits during infancy has lasting benefits that extend well beyond the teething period itself.
What Habits Should Be Monitored During Early Childhood?
Many young children develop habits such as thumb-sucking, dummy use, or prolonged bottle feeding, which are entirely normal in infancy but can begin to affect oral development if they continue beyond the toddler years. Prolonged and vigorous sucking habits can, in some cases, influence the alignment of emerging teeth or the shape of the developing palate, particularly if they persist past the age when permanent teeth begin to appear.
Most children naturally reduce these habits on their own, and gentle encouragement rather than pressure tends to work best when a habit needs to be gradually phased out. Dental professionals can offer practical, individualised guidance if a habit seems to be affecting tooth position or jaw development, and monitoring these patterns during routine check-ups allows any concerns to be addressed at an appropriate stage. Patience paired with consistent, positive reinforcement is generally the most effective approach.
Frequently Asked Questions
Can teething cause a high fever in babies?
Teething is generally associated with only a mild rise in temperature, if any, rather than a true high fever. If an infant develops a significant fever, it is more likely linked to an unrelated infection or illness occurring around the same time, and this should be assessed by a healthcare provider rather than attributed to teething alone.
Is it normal for teething to disrupt a baby’s sleep?
Yes, mild sleep disruption is common in the days surrounding a tooth’s emergence due to gum discomfort. This is usually temporary and resolves once the tooth has broken through. Maintaining a calm, consistent bedtime routine can help minimise disruption during this period.
Should teething rings be chilled or frozen before use?
Teething rings should be chilled in the refrigerator rather than frozen solid. A frozen ring can become too hard and potentially injure sensitive gum tissue, whereas a cool, firm ring provides soothing pressure without that risk.
Do all babies get their first tooth at the same age?
No, timing varies considerably between individual children. While four to seven months is typical, some babies get their first tooth earlier and others later, and this variation on its own is not usually a sign of any underlying problem.
How often should a toddler’s teeth be brushed?
A toddler’s teeth should be brushed twice daily with a soft-bristled brush and an age-appropriate amount of fluoride toothpaste, ideally once in the morning and once before bed. Supervision is important until the child develops the coordination to brush thoroughly and reliably on their own.
