MV Permanent Dentition Medical Orthodontics

Human permanent dentition refers to the set of teeth that replace primary (baby) teeth and typically consists of 32 teeth. This dentition is divided into two arches: the maxilla (upper jaw) and the mandible (lower jaw), with 16 teeth in each arch.

Composition of Permanent Dentition:

1. Incisors: 8 total (4 maxillary, 4 mandibular)
   • Central incisors: 2 in each arch
   • Lateral incisors: 2 in each arch
2. Canines: 4 total (2 maxillary, 2 mandibular)
3. Premolars: 8 total (4 maxillary, 4 mandibular)
   • These teeth replace the primary molars.
4. Molars: 12 total (6 maxillary, 6 mandibular)
   • This includes 4 third molars (wisdom teeth), which may not erupt in all individuals.

Timeline of Eruption:

• Permanent teeth typically begin to emerge around age 6, with the complete set usually forming by the late teens to early twenties.

Function:

Permanent teeth are essential for various functions, including:

• Mastication: Chewing food.
• Aesthetics: Contributing to facial structure and appearance.
• Speech: Assisting in the articulation of sounds.

Understanding the structure and function of permanent dentition is crucial for dental health and hygiene. Regular dental check-ups are recommended to maintain oral health throughout life.Human permanent dentition refers to the set of teeth that replaces primary (baby) teeth and typically emerges between the ages of 6 and 12, with a complete set usually formed by the late teens to early twenties.

Composition of Permanent Dentition:

• Total Teeth: 32
  • Maxillary (Upper Jaw): 16 teeth
  • Mandibular (Lower Jaw): 16 teeth

Types of Teeth:

1. Incisors: 8 total (4 maxillary, 4 mandibular)
   • Function: Cutting food
2. Canines (Cuspids): 4 total (2 maxillary, 2 mandibular)
   • Function: Tearing food
3. Premolars (Bicuspids): 8 total (4 maxillary, 4 mandibular)
   • Function: Crushing and grinding food
4. Molars: 12 total (6 maxillary, 6 mandibular, including 4 third molars or wisdom teeth)
   • Function: Grinding food

Key Points:

• Permanent teeth are more durable and larger than primary teeth.
• They are essential for proper chewing, speaking, and maintaining facial structure.
• The eruption of these teeth can vary among individuals, and some may experience late eruption of wisdom teeth.

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