Mandibular central incisor
Mandibular Central Incisor
The mandibular central incisor is one of the incisor teeth located in the lower jaw (mandible). It is the smallest and most symmetrical tooth in the dental arch. The primary function of the mandibular central incisor is to cut food during mastication.
Anatomy[edit | edit source]
The mandibular central incisor has a single root and a single, sharp-edged crown. The crown is relatively narrow compared to other teeth, and it has a straight incisal edge. The tooth has a simple structure with a smooth, flat surface on the labial (front) side and a slightly concave surface on the lingual (back) side.
Root[edit | edit source]
The root of the mandibular central incisor is typically straight and conical, with a slight taper towards the apex. It is usually shorter than the roots of other teeth in the mandibular arch.
Pulp Cavity[edit | edit source]
The pulp cavity of the mandibular central incisor is relatively simple, with a single pulp canal and a single pulp chamber. The pulp chamber is located in the crown of the tooth, while the pulp canal extends through the root.
Development[edit | edit source]
The mandibular central incisor is one of the first permanent teeth to erupt in the oral cavity. It typically erupts between the ages of 6 and 7 years. The primary (deciduous) mandibular central incisor, which precedes the permanent tooth, erupts around 6 to 10 months of age.
Clinical Significance[edit | edit source]
The mandibular central incisor is often involved in dental procedures such as restorative dentistry, endodontics, and orthodontics. Due to its prominent position in the mouth, it is also susceptible to trauma and dental caries.
Restorative Dentistry[edit | edit source]
In restorative dentistry, the mandibular central incisor may require fillings, crowns, or veneers to restore its function and aesthetics.
Endodontics[edit | edit source]
Endodontic treatment, commonly known as a root canal, may be necessary if the pulp of the mandibular central incisor becomes infected or damaged.
Orthodontics[edit | edit source]
Orthodontic treatment may involve the mandibular central incisor to correct alignment issues and ensure proper occlusion with the maxillary teeth.
See Also[edit | edit source]
- Maxillary central incisor
- Mandibular lateral incisor
- Dental anatomy
- Tooth development
- Orthodontics
- Endodontics
- Restorative dentistry
References[edit | edit source]
External Links[edit | edit source]
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Contributors: Prab R. Tumpati, MD
