Distal displacement of the tooth germ mandibular second premolar (MnP2) leads to its impaction and obturation eruption path first molar delaying eruption. The present case report describes treatment 2 cases guidance for distally displaced developing MnP2 that caused delayed molar. Intentional extraction primary predecessor results in mesial shift MnP2. However, unfavorable distal ectopic after ...

background and aims. predicting the teeth eruption time is a valuable tool in pediatric dentistry since it can affects scheduling dental and orthodontic treatments. this study investigated the relationship between the eruption time of first primary and permanent teeth and the variation in the eruption time considering socioeconomic status (ses) in a 9-year population- based cohort study. materi...

objective : tooth eruption has been a subject of extensive scientific studies; and literature is replete with different mechanisms of migration of a tooth from its bony crypt into the oral cavity. however, there is no common ground on the nature and source of the propelling force among the proponents of these theories. the purpose of this study was to explore the possibility of unifying the cur...

eruption cysts are benign cysts that appear on the mucosa of a tooth shortly befo re its eruption. they may disappear by themselves but if they hurt, bleed or are infected they may require surgical treatment to expose the tooth and drain the contents. here we present 2 case reports of eruption cysts presenting with different chief complaint. the treatment included incising the eruption cyst and...

Introduction:The M3 eruption is according with mandibula arch growing and facial typology. This teeth, especially M3 lower created many problems in orthodontic field, because in most of cases isn’t enough space on the arch. Some crowding cases are treating by extractions (Pm1, Pm2, and M1) and there is a possibility to create a space for normal eruption of M3. In other cases the extractions are...