Advanced Dental Admission Test (ADAT)

Which occlusion alignment involves the maxillary canine contacting between the mandibular canine and premolar?

1. Class I Occlusion

2. Class II Occlusion

3. Class III Occlusion

4. None of the above

The correct answer is: Class II Occlusion

The correct answer indicates the alignment where the maxillary canine contacts between the mandibular canine and premolar, which characterizes Class II Occlusion. In this type of occlusion, the relationship between the upper and lower teeth is defined such that the lower first molar is positioned further back compared to the upper first molar, resulting in an anterior crossbite that may also involve the canines. Class II Occlusion commonly leads to scenarios where the maxillary canine sits in a position relative to the mandibular canine and premolar that is more protrusive. This placement can affect not just the aesthetic appearance of the smile, but also the functional aspects of chewing and alignment with other teeth. Understanding this relationship is crucial for diagnosing and planning orthodontic treatments. In contrast, Class I Occlusion features a normal relationship, while Class III Occlusion presents a situation where the maxillary canine would be behind the mandibular canine. Therefore, the placement of the maxillary canine in Class II is significant in dental education and clinical practice.