**Question:** Champy's mini plate are:

A. 3.5 mm thickness
B. 2.7 mm thickness
C. 2.0 mm thickness
D. 1.5 mm thickness

**Correct Answer:** Champy's mini plates are **2.7 mm in thickness**.

**Core Concept:** Champy's mini plates are a type of osteosynthesis plate used in orthopedic surgery to stabilize fractures and promote healing. They are designed to provide sufficient strength and rigidity while minimizing tissue disruption and patient morbidity.

**Why the Correct Answer is Right:** Champy's mini plates are typically 2.7 mm thick to strike a balance between providing adequate stability and preserving soft tissue integrity. A thinner plate reduces the risk of soft tissue irritation, swelling, and infection, while still maintaining sufficient rigidity to stabilize the fracture.

**Why Each Wrong Option is Incorrect:**

A. The 3.5 mm thickness option is too thick, increasing the risk of soft tissue irritation, delayed wound healing, and potentially causing damage to adjacent structures.

B. A 2.7 mm thickness plate should suffice for most bone types and fracture types. Choosing a thinner plate may compromise the stability of the fracture fixation, leading to suboptimal healing and increased risk of complications.

C. Although not as thick as 3.5 mm, a 2.0 mm thickness plate may not provide sufficient rigidity and stability for certain fracture types or bone types, leading to inadequate healing and potential complications.

D. A 1.5 mm thickness plate is too thin, compromising the stability of the fracture fixation and increasing the risk of complications. A thinner plate may not provide adequate rigidity to stabilize the fracture, which is crucial for successful healing.

**Clinical Pearl:** Choosing the correct plate thickness is essential for ensuring optimal fracture stabilization and healing. Champy's mini plates, with a thickness of 2.7 mm, strike a balance between stability and soft tissue preservation, making it the optimal choice for most cases.