Are Environmental Factors Effective in Congenitally Missing Teeth? A Multicenter Study

Altan, Halenur; Coşgun, Alem; Akkoç, Sümeyra; Erağca, Rabia

doi:10.4034/pboci.2019.191.107

Cited by 2 publications

(2 citation statements)

References 27 publications

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“…The other five studies reported a higher proportion of CMSPMs in the lower arch. A large cohort study performed by Altan et al (93) in two distant regions of Turkey confirmed regional differences regarding sex and maxillary/mandibular distribution of CMSPMs.…”

Section: Epidemiological Characteristics Of Cmspmsmentioning

confidence: 66%

Congenitally missing second permanent molars in non‑syndromic patients (Review)

et al. 2021

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Hypodontia (tooth agenesis) is regarded as the most common congenital dental anomaly. The present review discusses the epidemiological characteristics of congenitally missing second permanent molars (CMSPMs) within a systematic review of the literature. The review was based on Pubmed library associated with the search of various scientific databases or academic resources, improved by hand search of reference lists. The terms 'hypodontia' or 'anodontia' in combination with 'prevalence' or 'epidemiology' were searched in the data sources for studies published between January 2001 and December 2020. Abstracts of non-English papers were also analyzed. The inclusion criteria were as follows: i) Study provided precise data about CMSPMs, even if no second permanent molar was reportedly missing; ii) the number of CMSPMs distributed by jaw was provided and iii) studies on subjects >3 years were used. The exclusion criteria were as follows: i) Studies on patients with history of trauma of the maxilla or the mandible, any type of syndrome affecting bone metabolism, metabolic disorders, previous extraction or tooth loss due to dental caries, cleft lip and palate; ii) studies performed on cohorts of patients with hypodontia and iii) studies reporting data including third molars, except for those that presented sufficient data to perform correct calculations. A total of 79 studies were selected, accumulating a population of 281,968 people, with an average sample size of 3,524.60±11,255.25. The prevalence of CMSPMs (IpHSPM) was 2.79±3.16% among all missing teeth (1.03±1.59% for upper CMSPMs and 1.76±2.32% for lower CMSPMs; P= 0.011). There were no significant differences (P= 0.250) in IpHSPM between men (1.59±1.52%) and women (2.13±1.67%). However, significant differences were recorded between continents. Furthermore, lower CMSPMs were found more frequently in orthodontic samples (P=0.033). The prevalence of CMSPMs is low compared with the overall prevalence of CM teeth. Despite the rarity of these anomalies, early detection is important to enable practitioners to plan and start treatment at the best time for optimal results.

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Section: Epidemiological Characteristics Of Cmspmsmentioning

confidence: 66%

Congenitally missing second permanent molars in non‑syndromic patients (Review)

et al. 2021

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“…2,3,[10][11][12][13]17 Tooth agenesis was found to be the most common dental anomaly in the Turkish population. In studies, the prevalence of permanent tooth agenesis was between 1.6% and 8.5% in Turkey 2,3,[18][19][20][21][22] . In this study, the prevalence of tooth agenesis, excepting third molars, among a group of children in the Inner Aegean Region was 5.5%.…”

Section: Discussionmentioning

confidence: 99%

Prevalence of dental number anomalies among A group of Turkish children

Topal

2021

Balkan J Dent Med

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Summary Background/Aim: The study aimed to evaluate the prevalence and distribution of congenital dental number anomalies in the permanent dentition among a group of Turkish children in the Inner Aegean Region of Turkey. Material and Methods: A total of 5377 patients aged 7–9 who visited our clinic for the first time between September 2018 and September 2019 were investigated. The children were examined for tooth agenesis and supernumerary teeth using panoramic radiographs taken for various reasons and clinical records reviewed. Dental number anomalies were evaluated according to gender and localization. Descriptive and comparative statistical analyses were performed using the SPSS package software program Version 23. Results: For the study, the data of 1987 patients (947 female, 1040 male) were examined. The tooth agenesis was found in 109 patients (5.5%), the supernumerary teeth were found in 24 patients (1.2%). The prevalence of tooth agenesis was 5% in males, 6% in females. There was no statistical difference between genders (p>0.05). The distribution of tooth agenesis according to jaws and sides by gender was not statistically different (p>0.05). The most commonly missing teeth were mandibular left second premolar (37.6% of patients) and mandibular right second premolar (33% of patients). According to types of teeth and gender, molar tooth agenesis was seen more common in females than males (p<0.05), there was no significant difference in other types of teeth by gender. The prevalence of supernumerary teeth were 1.9% in males, 0.4% in females and the difference between genders was found to be statistically significant (p<0.05). All the supernumerary teeth were located in the anterior maxilla, and half of them were mesiodens. Conclusions: Early diagnosis and appropriate treatment choice are very important managing complications associated with congenital dental number anomalies and for differential diagnosis of characteristic syndromes.

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Are Environmental Factors Effective in Congenitally Missing Teeth? A Multicenter Study

Cited by 2 publications

References 27 publications

Congenitally missing second permanent molars in non‑syndromic patients (Review)

Congenitally missing second permanent molars in non‑syndromic patients (Review)

Prevalence of dental number anomalies among A group of Turkish children

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