{"id":23732,"date":"2025-11-26T08:38:47","date_gmt":"2025-11-26T08:38:47","guid":{"rendered":"https:\/\/www.angelaligner.com\/cases\/angel-aligner-pro-correction-of-a-class-ii-div-1-malocclusion\/"},"modified":"2025-11-26T11:14:48","modified_gmt":"2025-11-26T11:14:48","slug":"angel-aligner-pro-correction-of-a-class-ii-div-1-malocclusion","status":"publish","type":"cases","link":"https:\/\/www.angelaligner.com\/en-gb\/cases\/angel-aligner-pro-correction-of-a-class-ii-div-1-malocclusion\/","title":{"rendered":"Angel Aligner PRO: Correction of a class II div 1 malocclusion"},"content":{"rendered":"

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Angel Aligner PRO: Correction of a class II div 1 malocclusion<\/h1>\n

Dr. Dalia Latkauskiene<\/strong>[\/vc_column_text][\/vc_column][vc_column][vc_column_text css=””]<\/p>\n

Dr. Dalia Latkauskiene<\/h4>\n

Dr Dalia Latkauskien\u0117 received her dental degree in from Kaunas University of Medicine. Since 2002 she has been in full-time private practice. She defended her Phd thesis \u201eHerbst- effects on jaws and dental arches in growing Class II patients\u201c in 2013.<\/p>\n

Dalia Latkauskien\u0117 has presented lectures, seminars and continuing education courses on crowned Herbst appliance, mixed dentition treatment, aligner treatment, adult orthodontics, multidisciplinary treatment and combined orhodontic-orthognatic treatment (together with maxillo facial surgon S. Grybauskas DDS, MD, Phd) to dental and orthodontic organizations as well as conferences worldwide.<\/p>\n

Current interests focus on orthodontic-orthognatic, non-compliant orthodontic treatment, temporary anchorage devices, adult orthodontics and aligner treatment.[\/vc_column_text][\/vc_column][\/vc_row][\/vc_section][vc_section full_width=”stretch_row” css=”.vc_custom_1744809716791{margin-top: 30px !important;margin-bottom: 30px !important;padding-top: 25px !important;padding-bottom: 25px !important;background-color: #F5F5F5 !important;}”][vc_row css=”.vc_custom_1744721166739{background-color: #F5F5F5 !important;}”][vc_column][vc_column_text css=””]<\/p>\n

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Patient introduction<\/span><\/h3>\n

Age:<\/span><\/strong> 25<\/p>\n

Gender:<\/span><\/strong> Female<\/p>\n

Treatment time:<\/span><\/strong> 12 months<\/p>\n

Number of aligners:<\/span><\/strong> 40<\/p>\n

Chief complaint:<\/span><\/strong> The patient expressed dissatisfaction with the aesthetics of the smile, seeking improvement in alignment and overall appearance. Additionally,the patient reported concerns regarding sensitive teeth, which caused discomfort during daily activities such as eating and drinking. These issues were the primary motivators for pursuing treatment with angel aligner.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text css=””]Section<\/span><\/strong> Class II division 1 malocclusion<\/p>\n

Product<\/span><\/strong> Pro<\/p>\n

Malocclusion<\/span><\/strong> Class II on both sides due to mesial rotation of 16 26
\nLight mandibular asymmetry to the right with both midline deviation.
\nSevere attrition of posterior teeth, night bruxism. Open bite tendency.<\/p>\n

Protocoles and features<\/span><\/strong> IPR[\/vc_column_text][\/vc_column][\/vc_row][\/vc_section][vc_section css=”.vc_custom_1744809838435{padding-top: 50px !important;padding-bottom: 50px !important;}”][vc_row][vc_column][vc_column_text css=””]<\/p>\n

Initial Photos and datas<\/span><\/h3>\n

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Clinical examination and diagnosis<\/span><\/h5>\n

[\/vc_column_text][\/vc_column][vc_column width=”3\/4″][vc_row_inner][vc_column_inner width=”1\/2″][vc_column_text css=””]Angle Class II 2mm on the right, Angle Class II 2mm on the left, light mandibular asymmetry to the right, lower central line 1mm to the right, upper central line 1,5mm to the left, 1mm overjet and overbite. Sagittal asymmetry of upper dental arch. Light crowding upper and lower frontal segments, severe attrition of posterior teeth, night bruxism. Normal sagittal position of both jaws, high angle case, steep mandibular ramus,excessive lower facial height, open bite tendency.[\/vc_column_text][\/vc_column_inner][vc_column_inner width=”1\/2″][vc_column_text css=””]<\/p>\n

Function is normal
\nPatient Motivation good
\nSoft Tissue Analysis: convex profile, lower third of the face increased, slightly retrusive upper and lower lips, lip strain on closure.<\/p>\n

[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row][vc_column width=”1\/4″][vc_column_text css=””]<\/p>\n

Treatment plan
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[\/vc_column_text][\/vc_column][vc_column width=”3\/4″][vc_row_inner][vc_column_inner width=”1\/2″][vc_column_text css=””]Restore severely damaged teeth via composite restorations
\nAlignement and expansion 2mm per quadrant.
\nDistalization in segment 1 to Class I and derotation of 16, move upper central line to fit lower central line.
\nDerotation 26. IZC anchorage.
\nSettling the bite in Class I.
\nIPR of the lower anterior segment was performed to address Bolton discrepancy.
\nThe case initially presented as a moderate Class II on the right and a Class II tendency on the left, with tapered dental arches and an anterior open bite extending to tooth 26 in segment II.[\/vc_column_text][\/vc_column_inner][vc_column_inner width=”1\/2″][vc_column_text css=””]In segment I, the open bite reached up to the first premolar.<\/p>\n

A 1.5 mm deviation of the upper dental midline to the patient\u2019s left was noted, along with a slight mandibular midline shift to the right, likely due to asymmetrical mandibular growth observed in the facial structure. Severe mesial rotations of teeth 16 and 26 were evident in the initial records. As derotation of 16, 26, 17, and 27 progressed up to aligner 16, the premolars in segments I and II moved distally, resulting in a bilateral Class I relationship, as intended in the initial treatment plan.[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row][vc_column width=”1\/4″][vc_column_text css=””]<\/p>\n

Treatment details<\/span><\/h5>\n

[\/vc_column_text][\/vc_column][vc_column width=”3\/4″][vc_row_inner][vc_column_inner width=”1\/2″][vc_column_text css=””]Derotation of 16 26 allowed Class II correction.<\/p>\n

Vertical vector of elastic traction on buttons and IZC helped with the open bite correction.<\/p>\n

No sequential distalization for Class II tendency correction was performed due to skeletal anchorage. Lingual attachments were used to improve aligner grip and control tooth movement, as small, angulated lower incisors are difficult to move due to limited anatomy.[\/vc_column_text][\/vc_column_inner][vc_column_inner width=”1\/2″][vc_column_text css=””]An infrazygomatic crest (IZC) screw with force applied between the upper premolars produces a clockwise rotation of the maxillary occlusal plane. This movement aids in closing the anterior open bite and improves upper incisor display. IZC screws with elastics also enable planned intrusion of the upper molars by 1 mm. Because mandibular derotation after upper posterior correction is difficult to predict, anterior distalization and midline correction were performed in the later stages of treatment.[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][\/vc_section][vc_section css=”.vc_custom_1744809858634{padding-top: 50px !important;padding-bottom: 50px !important;}”][vc_row][vc_column][vc_column_text css=””]<\/p>\n

Treatment setup<\/span><\/h3>\n

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Treatment progress<\/span><\/h3>\n

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Download the full case to see the treatment results, the conclusion and get more details on the solution<\/b><\/span><\/h4>\n

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