Postures and Instruments Placement for Indirect Vision
In this article, I'd like to discuss a more clinical aspect. If you've become comfortable with mirror-inverted images through your training, it's time to apply these skills directly to your patients.
Refer to this blog for guidance on establishing the proper posture.
When treating the maxilla, adhere to the following basic principles:
Keep the occlusal plane of the dental arch perpendicular to the ground.
The dentist should position between 10 and 12 o'clock, focusing solely on the dental mirror during the treatment.
Place the mirror as far away from the handpiece as possible. For the maxilla, position the mirror towards the labial aspect of the mandibular anterior teeth or near the corner of the mouth.
This is the basic posture I adopt when treating patients. Using magnification tools like loupes or a dental microscope allows for precise treatments while maintaining the correct posture.
To effectively use a mirror, ensure the patient's maxillary occlusal plane is vertical to the floor. If the patient’s head is tilted back excessively, achieving the proper mirror vision can be complicated.
Using a stool with armrests helps support both arms. Supporting the arm holding the mirror is crucial for precise adjustments and securing a good view, particularly when using a mirror. Devices like OptraGate can also help maintain good visibility.
Keep the mirror as far from the handpiece as possible. The farther the mirror is positioned from the handpiece, the less you'll have to deal with splashing. In this case, place it near the lower lip.
Here is the image reflected in the dental mirror. It clearly shows the interproximal areas between the maxillary first and second molars. How do you find it? Areas that are nearly impossible to see with direct vision are clearly visible through the mirror.
Here is an image of caries removal on tooth #24. The handpiece and mirror are positioned as mentioned above. Positioning the handpiece as far away as possible not only frees you from splashes but also secures a clear view.
This concludes our discussion on indirect vision postures. Refer to the points mentioned above to find a posture that best suits you.
