Eruption Guidance of Horizontally Impacted Permanent First Molar with Primary Retention of Primary Second Molars: Case Reports

Garam Yoon (윤가람); LEE NAN YOUNG (이난영); LEE, SANG-HO (이상호); Jih Myeong-kwan (지명관)

doi:10.5933/JKAPD.2020.47.2.219

Eruption Guidance of Horizontally Impacted Permanent First Molar with Primary Retention of Primary Second Molars: Case Reports

Journal of the Korean academy of pediatric dentistry
Abbr : J Korean Acad Pediatr Dent
2020, 47(2), pp.219-227
DOI : 10.5933/JKAPD.2020.47.2.219
Publisher : The Korean Academy Of Pediatric Dentistry
Research Area : Medicine and Pharmacy > Dentistry
Received : November 22, 2019
Accepted : January 22, 2020
Published : May 29, 2020

Garam Yoon ¹, LEE NAN YOUNG ², LEE, SANG-HO ², Jih Myeong-kwan ²

¹조선대학교 치과대학 소아치과학교실
²조선대학교

Accredited

ABSTRACT

Tooth eruption involves a complex developmental process of tooth migration from the dental follicular origin to the final occlusion position in the oral cavity via the alveolar process. Disturbance of tooth eruption can occur at any point in a series of eruption stages; however, horizontal impaction of the mandibular first molar and primary retention of the primary mandibular second molar are rarely observed simultaneously. This study describes the treatment for two cases of horizontally impacted first molar with primary retention of primary molar. The primary retention of the primary mandibular second molar was extracted, and orthodontic traction was applied to the horizontally impacted primary mandibular first molar. Subsequently, displacement of the premolar tooth bud was improved and space regaining for eruption was achieved, guiding to normal eruption of the first molar.

KEYWORDS

Horizontal impaction, Primary retention, Eruption guidance, Permanent first molar, Primary second molar

Citation status

* References for papers published after 2023 are currently being built.

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Journal of the Korean academy of pediatric dentistry 2023 KCI Impact Factor : 0.48

Eruption Guidance of Horizontally Impacted Permanent First Molar with Primary Retention of Primary Second Molars: Case Reports

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* References for papers published after 2023 are currently being built.

Journal of the Korean academy of pediatric dentistry 2023 KCI Impact Factor : 0.48

Eruption Guidance of Horizontally Impacted Permanent First Molar with Primary Retention of Primary Second Molars: Case Reports

ABSTRACT

KEYWORDS

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