ERUPTION GUIDANCE FOR TOOTH GERM OF PREMOLAR DISPLACED BY INFRAOCCLUDED UPPER DECIDUOUS MOLAR (저위교합된 상악 유구치에 의해 변위된 소구치 치배의 맹출유도)

정정화; 김영진; Kim, Hyun - Jung (김현정); NAM Soon-Hyeun (남순현)

doi:10.5933/JKAPD.2012.39.4.390

ERUPTION GUIDANCE FOR TOOTH GERM OF PREMOLAR DISPLACED BY INFRAOCCLUDED UPPER DECIDUOUS MOLAR

Journal of the Korean academy of pediatric dentistry
Abbr : J Korean Acad Pediatr Dent
2012, 39(4), pp.390-396
DOI : 10.5933/JKAPD.2012.39.4.390
Publisher : The Korean Academy Of Pediatric Dentistry
Research Area : Medicine and Pharmacy > Dentistry

정정화 ¹, 김영진 ¹, Kim, Hyun - Jung ¹, NAM Soon-Hyeun ¹

¹경북대학교

Accredited

ABSTRACT

Infraocclusion is defined as tooth whose relative occlusal movement was blocked during the period of active eruption due to ankylosis and so on. Then infraoccluded tooth remains under the occlusal plane composed by adjacent structures showing normal eruption patterns. Untreated infraocclusion may cause: prolonged retention of infraoccluded teeth; extrusion of apposed teeth;destruction of periodontal tissues by occlusal force and food packing; increased sensitivity for dental caries; and disturbances on eruption pathway of succedaneous teeth. Therefore, periodic check-ups and proper treatments are required. There are many treatment options on infraoccluded deciduous molars such as periodic observation, conservative method, restoration and space regaining with extraction of the teeth. The choice of treatment may depend on the presence of succedaneous teeth, time of diagnosis and degree of infraocclusion. In this case report, three patients showing displacement of the second premolars due to infraocclusion of upper second primary molars, were treated by means of space regaining with removable orthodontic appliances and extraction of ankylosed primary molars. All malpositioned permanent premolars in the 3 cases showed ordinary eruption pathways after treatment.

KEYWORDS

Infraocclusion, Ankylosis, Tooth germ displacement, Eruption guidance

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 FOR TOOTH GERM OF PREMOLAR DISPLACED BY INFRAOCCLUDED UPPER DECIDUOUS MOLAR

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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 FOR TOOTH GERM OF PREMOLAR DISPLACED BY INFRAOCCLUDED UPPER DECIDUOUS MOLAR

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