Which of the following is not the period of physiological raising of the bite according to Martin and Schwarz
**Core Concept**
Physiological eruption or the physiological raising of the bite, also known as the 'physiological overbite', is a natural process where the upper incisors appear to overlap the lower incisors as the facial growth progresses. This concept is crucial in orthodontics and pediatric dentistry.
**Why the Correct Answer is Right**
Martin and Schwarz's classification divides the growth period into three phases:
1. **Phase 1: Infancy** (0-3 years) - primary teeth eruption
2. **Phase 2: Mixed dentition** (3-12 years) - mixed primary and permanent teeth
3. **Phase 3: Late mixed and early permanent dentition** (12-14 years) - transition from mixed to permanent dentition
However, the 'period of physiological raising of the bite' is specifically associated with the transition from primary to permanent dentition, which is Phase 2. Therefore, the correct answer is the option that does not represent this period.
**Why Each Wrong Option is Incorrect**
**Option A:** This is the period of physiological raising of the bite according to Martin and Schwarz, which makes it incorrect as the correct answer.
**Option B:** This option might be another growth phase, but it is not the correct answer as it is not the period of physiological raising of the bite.
**Option D:** This option might be another growth phase, but it is not the correct answer as it is not the period of physiological raising of the bite.
**Clinical Pearl / High-Yield Fact**
It's essential to remember that the 'physiological overbite' is a temporary condition that can be influenced by various factors, including facial growth, jaw alignment, and dental development.
**Correct Answer:** C