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Video Details
Expanding on Transverse Diagnosis and Maxillary Expansion

Description:
Transverse dimension diagnosis and treatment is the base for sagital and vertical corrections. Most precise diagnosis on maxillary transverse deficiency is obtained through the CBCT. Miniscrew assisted rapid maxillary expansion (Marpe) or Surgical assisted maxillary expansion are the procedures of choice in skeletal mature patients presenting maxillary transverse deficiencies. Protocols with most common type of expander will be illustrated through clinical cases. Long term periodontal health and airways are addressed as part of this lecture.

Date Added:
3/31/2021

Author(s):

Marianna Evans, DMD Marianna Evans, DMD
Dr. Marianna Evans is a board-certified specialist in orthodontics and periodontics, practicing in the greater Philadelphia area. She received her DMD degree ...
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Miguel Hirschhaut, DDS Miguel Hirschhaut, DDS
- DDS, Universidad Central de Venezuela, 1988-1993.

- Fullbight Scholarship, Fundacion Gran Mariscal de Ayacucho, for Orthodontics postgraduae training at Univer...
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Online Videos / General / Other Specialties / Expanding on Transverse Diagnosis and Maxillary Expansion




Questions & Comments
Miguel Hirschhaut - (4/11/2021 2:21 AM)

Thanks Maurice. I use guides. I think Marianna placed them directly. The expander is left in place 6 to 10 months for retention purposes. Regards

Maurice Salama - (4/7/2021 10:11 AM)

Marianna & Miguel; Well done. Do you use a "guided" placement tool for TAD insertion into palate? Also, what is type of retention of the expansion once achieved in the Adult patient? Thanks Maurice

Marianna Evans892 - (3/23/2021 4:36 AM)

Dear Laurent, thank you for the questions. Tad-assisted expansion is technique sensitive procedure requiring 3D planning. If TADs fail during expansion the whole procedure may require revision, it is important to avoid this complication. Regarding retention it depends on the distraction gap, the larger expansion will require longer healing in average 6-12 months. Slow removable expansion protocols may be used in young kids where Dento alveolar expansion is indicated

laurent oiknine - (3/18/2021 10:21 PM)

Very interesting and informative. What is the approximate failure rate of palatal TAD’s and how do you deal with those failures in the active phase of expansion? What are your retention protocols and do they differ according to wether the case was surgically assisted or not ? Are there still indications for Schwartz type slow expansion on young children?

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Transverse dimension diagnosis and treatment is the base for sagital and vertical corrections. Most precise diagnosis on maxillary transverse deficiency is obtained through the CBCT. Miniscrew assisted rapid maxillary expansion (Marpe) or Surgical assisted maxillary expansion are the procedures of choice in skeletal mature patients presenting maxillary transverse deficiencies. Protocols with most common type of expander will be ilustrated through clinical cases. Long term periodontal health and airways are addressed as part of this lecture.

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