Dental Bonding Doesn’t Work for My Chipped Tooth

Last April, I chipped one of my lower front teeth. The chip isn’t large, but it constantly irritates my lip and has made me self-conscious about smiling. I’m worried about whether this damage could get worse over time or affect the tooth long-term. I’ve seen a dentist several times, and they tried bonding a filling onto the tooth, but it kept falling off every few days. It’s almost a year, so I am starting to worry that something more lasting is wrong, and I’m wondering whether the tooth can heal on its own or if there’s a better long-term solution that won’t harm it. Thanks. Shaphan from GA

Shaphan,

Lower front teeth are in a high-stress area of the bite. Each time you close your mouth, these teeth contact the upper incisors. That repeated impact often explains why a lower incisor chips in the first place.

When a dentist repairs a chipped tooth with bonding, the restoration must survive those same forces. Without careful planning, even a well-placed composite can fail.

Why Might Bonding on Lower Incisors Fail?

When one lower incisor sits slightly ahead of its neighbors, it takes the brunt of the bite. That uneven contact creates a predictable pattern of failure.

You’ll often see situations where two chipped incisors were bonded, but only one repair fails.

• The tooth positioned farther forward hits first during closure.
• That tooth experiences higher stress than the adjacent incisors.
• Over time, the bonding on that tooth breaks down.

What Is a More Durable Solution?

Dentists can improve durability by addressing tooth position and bite balance. One effective approach is for the dentist to reshape the forward tooth so it aligns evenly with the others. With all lower incisors contacting the upper teeth simultaneously, no single tooth bears excessive force.

An experienced dentist in cosmetic dentistry and occlusal therapy can use composite bonding or porcelain veneers to restore a chipped tooth.

Dr. Thaddeus Michalski, a Rocky Hill, Connecticut dentist, sponsors this post. Read why many of his patients say he is one of the best dentists in town.