Understanding Overjet: Causes, Concerns, and Treatment Options

July 2, 2025 | 2 min read
Having overjet teeth is a condition where your upper front teeth protrude significantly beyond your lower front teeth, differing from an overbite where teeth are vertically misaligned. This type of malocclusion can affect your appearance, lead to jaw pain, and make eating or speaking difficult. The severity of overjet varies, from subtle to highly noticeable, impacting both your smile and overall facial profile. Several factors contribute to the development of overjet, some of which are genetic and others behavioral. Inherited genetics play a significant role, influencing skeletal structure, muscles, and bite. Beyond genetics, prolonged thumb sucking past the age of five, underlying skeletal problems, and an over-inclination of the teeth can also cause overjet. Deciding whether to seek treatment for overjet often depends on its severity, the presence of associated symptoms, and how much it affects your self-perception. While some individuals with mild overjet and no discomfort may opt against treatment, dental professionals often recommend intervention for overjet measuring 9mm or greater, or reverse overjet of 3.5mm or more. However, personal dental professional recommendations are crucial, as they can assess individual needs. Treatment for overjet typically involves orthodontic interventions, sometimes combined with other procedures, to improve both appearance and oral function. An orthodontist, a specialist in addressing such conditions, will determine the most appropriate approach based on your health history, the severity of the overjet, and its underlying cause. It's important to remember that not all cases of overjet require treatment; the decision often hinges on its impact on your daily life and confidence. There are primarily four approaches to treating overjet: Orthodontics alone: Suitable when overjet is solely due to misaligned teeth, with braces or aligners being used to correct positioning. Orthodontics plus extraction: A common approach involving the removal of certain teeth (often maxillary top premolars) to create space for repositioning the protruding teeth. Orthodontics plus tooth replacement: This method aims to widen the space for missing teeth and lengthen the mandibular arch, allowing for proper alignment. Orthodontics plus corrective jaw surgery: Recommended for significant overjet caused by an underdeveloped mandibular arch, this involves surgical correction of the jaw to alleviate severity. Consulting with your dental professional is essential to determine the best course of action for your unique situation, as they can provide expert guidance on the most effective solution for your oral health and aesthetic goals.

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