Atlas of Orthodontic Case Reviews

Marjan Askari, Stanley A. Alexander

• Publisher: Wiley-Blackwell
• Year: 2017
• ISBN:
  9781119303770
• Edition: 1
• Topic: Medizin
• Subtopic: Kieferorthopädie

Atlas of Orthodontic Case Reviews offers a comprehensive resource to the treatment of orthodontic malocclusions with a case-based approach.

• Discusses and illustrates the treatment of orthodontic malocclusions using actual clinical cases
• Presents more than 800 clinical photographs showing the stages of each treatment, to act as a visual reference
• Includes a description of each malocclusion, an explanation of the desired treatment outcomes, an account of the changes, and review questions for each case

1
Interceptive (Mixed Dentition): Case 1

---

LEARNING OBJECTIVES

• The records required for treatment of a mixed dentition
• The problem list for interceptive orthodontics: posterior crossbite
• The development of treatment objectives and formation of a treatment plan for a quad‐helix appliance

---

Interview Data

This 8‐year‐old Caucasian male presented with maxillary constriction that manifested as a unilateral posterior crossbite of the mixed dentition.

• Development: pre‐pubescent
• Motivation: good
• Medical history: non‐contributory
• Dental history: seen regularly for dental visits
• Family history: no history of malocclusion
• Habits: none
• Limitations: none
• Facial form: mesoprosopic and ovoid
• Facial proportions: normal lower facial height

Clinical Examination

• Incisor‐stomion (Figures 1.1 and 1.2):
  • – At rest: 0 mm
  • – Smiling: 6 mm
• Smile line: 0 mm gingival display
• Breathing: nasal
• Lips: together at rest
• Soft tissue profile: convex (Figure 1.3)
• Nasolabial angle: slightly obtuse
• Slightly high mandibular plane angle

Figure 1.1 Full face at rest displaying a symmetric, ovoid face.

Figure 1.2 Full face with smile showing full enamel appearance of the incisors and no gingival display.

Figure 1.3 Right lateral view of profile indicating a convex appearance and obtuse nasolabial angle.

Dentition (Figure 1.4)

Figure 1.4 Anterior view of the dentition demonstrating midline diastema and mandibular shift to the left.

• Teeth present clinically:

  6edc21	12cde6
  6edc21	12cde6

• Overjet: 4 mm
• Overbite: 0 mm with open bite tendency
• Diastema: 3 mm
• Midlines: maxillary midline coincident with face; mandibular midline 2 mm to left

Right Buccal View

The right buccal view can be seen in Figure 1.5.

• Molar, right: end‐on, mixed dentition
• Canine: Class I
• Curve of Spee: flat
• Crossbite: none
• Caries: none

Figure 1.5 Right buccal view of dentition indicating an end‐on mixed dentition molar relationship.

Left Buccal View

The left buccal view can be seen in Figure 1.6.

• Molar, left: Class II, mixed dentition
• Canine: cusp to cusp
• Curve of Spee: flat
• Crossbite: posterior crossbite
• Caries: none

Figure 1.6 Left buccal view of dentition indicating a Class II mixed dentition molar relationship and posterior crossbite due to the functional shift of the mandible.

Maxillary Arch (Figure 1.7...