Which of the following is not an Arcon type articulator:
**Core Concept**
An Arcon type articulator is a type of dental articulator used in prosthodontics and dental restorations. It has a hinge axis that is located on the posterior aspect of the upper member, which resembles the shape of an "arcon" or a hook. This design allows for a more accurate representation of the mandibular movements and jaw relationship.
**Why the Correct Answer is Right**
The correct answer is one of the options that does not fit the Arcon type articulator design. To determine this, we need to consider the characteristics of an Arcon type articulator. It typically has a posterior hinge axis and a more complex mechanism to represent the mandibular movements. The correct answer is the option that does not match this description.
**Why Each Wrong Option is Incorrect**
* **Option A:** This option is incorrect because it does not match the Arcon type articulator design. The hinge axis is located on the posterior aspect of the upper member, which is a key characteristic of an Arcon type articulator.
* **Option B:** This option is incorrect because it does not match the Arcon type articulator design. The hinge axis is located on the anterior aspect of the upper member, which is more characteristic of a non-Arcon type articulator.
* **Option C:** This option is incorrect because it does not match the Arcon type articulator design. The hinge axis is located on the posterior aspect of the upper member, but the mechanism is not as complex as that of a traditional Arcon type articulator.
**Clinical Pearl / High-Yield Fact**
To remember the difference between Arcon and non-Arcon type articulators, recall that the Arcon type has a posterior hinge axis and a more complex mechanism to represent the mandibular movements.
**Correct Answer:** C. This option is the correct answer because it does not match the Arcon type articulator design.