Maxillary lateral incisor

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Tooth in the upper jaw

Maxillary lateral incisor
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Synonyms
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Field	Dentistry
Symptoms
Complications
Onset
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Differential diagnosis
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The maxillary lateral incisor is a type of tooth located in the upper jaw, or maxilla. It is situated adjacent to the maxillary central incisor and the maxillary canine. The maxillary lateral incisor plays a crucial role in the aesthetics and function of the dental arch.

Anatomy

The maxillary lateral incisor is typically smaller and more rounded than the maxillary central incisor. It has a single root and a single crown. The crown of the maxillary lateral incisor has a more pronounced curvature and a sharper incisal edge compared to the central incisor. The root is usually longer in proportion to the crown.

Development

The development of the maxillary lateral incisor begins in the primary dentition phase, where it is preceded by the primary lateral incisor. The permanent maxillary lateral incisor typically erupts between the ages of 8 and 9 years.

Function

The primary function of the maxillary lateral incisor is to cut food during mastication. It also plays a significant role in the overall appearance of the smile and in the proper alignment of the teeth.

Clinical Significance

Anomalies

The maxillary lateral incisor is prone to various developmental anomalies, including peg lateral, where the tooth is smaller and conical in shape, and agenesis, where the tooth fails to develop. These anomalies can affect both the function and aesthetics of the dental arch.

Orthodontics

In orthodontics, the maxillary lateral incisor is often a focus of treatment, especially in cases of malocclusion or crowding. Proper alignment of the maxillary lateral incisors is essential for achieving a balanced and functional bite.

Restorative Dentistry

Restorative procedures involving the maxillary lateral incisor may include dental bonding, veneers, or crowns to address issues such as tooth decay, fractures, or aesthetic concerns.

See Also

• Maxillary central incisor
• Maxillary canine
• Mandibular lateral incisor
• Tooth development
• Orthodontics
• Restorative dentistry

References

Dentition
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