In this Part 1 for dentists on skeletal Class 2 malocclusions, Dr Andrew Chang Orthodontist shares with Dr Diane Tay identifying features, risk factors and the differential diagnosis of Class 2 malocclusions. We cover the areas below:
- Diagnosis
- Facial: Small lower jaw
- Dental ie: Class 2 div 1 or div 2's
- Radiographic
- Assessing skeletal maturation and its importance in success. The Lateral Ceph x-ray
- Risks factors:
- Hx of anterior overjet getting larger- why this is the case
- Difficulty chewing and slow eater.
- Traumatic deep bites and teeth wear, gingival recession
- Trauma upper incisors
- Bullying: psychosocial
- Open mouth posture and gingival inflammation due to drying of the gingivae
- Differential Diagnosis: Proclined U incisors, Normal Maxillomand relationships