**Core Concept**
The question is testing knowledge of the developmental anatomy of the human dentition. Temporary dentition, also known as deciduous dentition, is the first set of teeth that erupt in humans, typically between 6 months to 3 years of age. It is composed of 20 primary teeth that are gradually replaced by 32 permanent teeth between 6 to 12 years of age.

**Why the Correct Answer is Right**
The correct answer is related to the fact that temporary dentition has a specific arrangement and absence of certain teeth compared to permanent dentition. The primary incisors, canines, and first molars are present in temporary dentition, but the second molars are absent. This is because the permanent second molars develop in the sockets of the primary molars, pushing them out.

**Why Each Wrong Option is Incorrect**
**Option A:** This option would be incorrect as it would imply that a different tooth is absent in temporary dentition, which is not the case.
**Option B:** This option is also incorrect as it would imply a different tooth is absent, and it would not relate to the correct mechanism of tooth replacement.
**Option C:** This option is incorrect as it would imply a different tooth is absent, and it would not relate to the correct mechanism of tooth replacement.

**Clinical Pearl / High-Yield Fact**
It's essential to remember that the primary molars are gradually replaced by the permanent second molars, which is a normal process of tooth development. This knowledge is crucial for dental professionals to understand the normal anatomy and development of the dentition.

**Correct Answer:** D.