Equipment and Materials Needed:
- Human skull or jaw model (for reference)
- Disassembled jaw bones (mandible and maxilla)
- Articular disc (of the temporomandibular joint)
- Condylar head (of the mandible)
- Temporal (squamous) bone (of the skull)
- Mandible fossa
- Mandibular teeth
- Maxillary teeth
- Sutures (i.e., sutures material)
- Dental floss or suture wire (for interdental fixation)
- Forceps, pliers, and other dental instruments
- Articulating paper (for occlusion adjustment)
Procedure:
1. Prepare the Bones:
- Start with clean and dry jaw bones. Remove any tissue or remnants from the bones to ensure proper fitting.
2. Assemble the Temporomandibular Joint (TMJ):
- Place the articular disc into the mandibular fossa.
- Position the condyle of the mandible into the articular disc.
- Make sure the mandible and temporal bone fit together smoothly.
3. Interdental Fixation:
- For stability, fix the mandibular and maxillary teeth together with sutures or suture wires.
4. Suturing:
- Align the maxilla and mandible in a proper anatomical position.
- Use sutures to connect the maxilla and mandible at the symphysis (midline).
- If available, suture the maxillary bone to the temporal bone and the mandible to the temporal bone (lateral aspects).
5. Occlusion Adjustment:
- Check the alignment of the teeth.
- Adjust the occlusion (biting surfaces of the teeth) using articulating paper. Remove any interferences for smooth closure and gliding movements of the mandible.
6. Finalize the Assembly:
- Double-check the stability and occlusion of the jaw.
- Remove any excess suture material.
Note:
The actual procedure of assembling a human jaw may require specialized knowledge and training, especially when dealing with real jaw bones. Consult with an expert in anatomy, forensic anthropology, or a qualified dental professional for accurate and safe assembly.
