Enamel is the hardest substance in the human body, with a Knoop hardness of 340-400. It is composed of 96% inorganic material, primarily hydroxyapatite crystals.

The pulp is a soft tissue located in the center of the tooth. It contains blood vessels, nerves, and connective tissue. The pulp provides sensation to the tooth, produces dentin, and supplies blood and nutrients to the tooth.

The maxillary first premolar is the largest tooth in the human mouth. It has two roots and a large occlusal surface.

The median groove is a groove that separates the maxillary central incisors. It is located on the labial surface of the teeth.

The mandibular canine has a single root, a large cingulum, and a sharp cusp. It is the longest tooth in the human mouth.

The mesiolingual cusp is a cusp that is located on the mesial aspect of the mandibular first molar. It is the largest cusp on the tooth.

The maxillary second premolar has two roots, a large occlusal surface, and a prominent cingulum. It is the smallest tooth in the human mouth.

The distal groove is a groove that separates the maxillary lateral incisor from the maxillary canine. It is located on the distal surface of the lateral incisor.

The mandibular second molar has three roots, a large occlusal surface, and a prominent cingulum. It is the largest tooth in the human mouth.

The distobuccal cusp is a cusp that is located on the distal aspect of the maxillary first molar. It is the largest cusp on the tooth.

The maxillary central incisor has a single root, a large cingulum, and a sharp cusp. It is the longest tooth in the human mouth.

The distal groove is a groove that separates the maxillary canine from the maxillary first premolar. It is located on the distal surface of the canine.

The mandibular first premolar has two roots, a large occlusal surface, and a prominent cingulum. It is the smallest tooth in the human mouth.

The mesiolingual cusp is a cusp that is located on the mesial aspect of the mandibular second molar. It is the largest cusp on the tooth.

The maxillary second molar has three roots, a large occlusal surface, and a prominent cingulum. It is the largest tooth in the human mouth.