MyMedR

Fulltext Nasopalatine Duct Cyst Associated with a Mesiodens: Misdiagnosis or Missed Diagnosis?

Gopal D, Telang A, Telang LA, Loganathan K, Reddy BT

J Clin Diagn Res, 2015 May;9(5):ZD21-2.

PMID: 26155582 DOI: 10.7860/JCDR/2015/12604.5915

Nasopalatine duct cyst ( NPDC) is described as most common non-odontogenic developmental cyst of the jaws. Despite being common, its clinical and radiographic presentation could be varied and it can sometimes be a diagnostic challenge. This paper presents an unusual case of an infected NPDC associated with an impacted inverted mesiodens and a history of trauma that misled the clinical diagnosis.

Matched MeSH terms: Tooth, Supernumerary

Fulltext Bimaxillary concomitant hypohyperdontia in a 10-year-old child

Kariya PB, Singh S, Kulkarni N, Arora A

BMJ Case Rep, 2017 Aug 10;2017.

PMID: 28798243 DOI: 10.1136/bcr-2017-220683

Numerical anomalies, either addition or deletion, are quite a common findings in human dentition. However, it is extremely rare to find both hypodontia and hyperdontia simultaneously in the same individual. This condition is referred as concomitant hypohyperdontia (CHH). Aetiology of this condition is still obscure. The prevalence of CHH has been reported to be between 0.002% and 3.1%. This case report highlights a rare occurrence of bimaxillary CHH represented by the absence of both mandibular central incisors and presence of two supernumerary teeth in the maxillary anterior segment. The rarity of such condition of mixed hypodontia as well as hyperdontia in single human dentition prompted the author to report the case.

Matched MeSH terms: Tooth, Supernumerary/complications; Tooth, Supernumerary/diagnosis*

Non-syndrome multiple supernumerary teeth: literature review

Yusof WZ

J Can Dent Assoc, 1990 Feb;56(2):147-9.

PMID: 2407326

Multiple supernumerary teeth without any associated systemic conditions or syndromes are not common. The author reviewed most of the cases reported in the English-language literature from 1969 to the present. It was found that there was a predilection of non-syndrome multiple supernumerary teeth to occur in the mandible. When analyzed according to specific sites for both jaws, there was a predominance of the multiple supernumerary teeth to occur in the premolar area, followed by the molar and the anterior regions respectively. The mandibular premolar region had the highest frequency of occurrence for both jaws combined.

Matched MeSH terms: Tooth, Supernumerary/pathology*

Surgical management of a rare case of inverted intranasal mesiodens

Mathew M, Sasikumar P, Vivek VJ, Kala R

BMJ Case Rep, 2020 Oct 30;13(10).

PMID: 33127709 DOI: 10.1136/bcr-2020-237982

Matched MeSH terms: Tooth, Supernumerary/surgery*

Dental development in children with supernumerary teeth in the anterior region of maxilla

Mallineni SK, Jayaraman J, Wong HM, King NM

Clin Oral Investig, 2019 Jul;23(7):2987-2994.

PMID: 30374829 DOI: 10.1007/s00784-018-2709-2

OBJECTIVE: Development of human dentition has been used as a predictor for evaluating the growth and maturity of an individual. It is fairly identical in a specific population, but the effect of development on subjects with dental anomalies had not been fully explored, particularly on subjects with supernumerary teeth (ST). This study hence aims to evaluate the dental development of children with and without ST.

MATERIALS AND METHODS: Sample size calculation was conducted and 320 radiographs of subjects with and without supernumerary teeth (ST) were obtained from the archives of a teaching hospital. The subjects in both groups were age and sex matched. All the subjects belong to southern Chinese ethnicity aged 2 to 14 years. The left-side dentition was scored, and dental age (DA) was estimated by obtaining scores from the southern Chinese dental reference dataset. Paired t test was used to calculate the difference between chronological age and dental age (CA-DA) for boys and girls with and without ST and further based on the number and position of ST.

RESULTS: The difference between chronological age and dental age (CA-DA) was 0.10 years for boys and 0.19 years for girls with ST whilst 0.01 and 0.05 years for boys and girls without ST (p > 0.05). The boys with bilateral ST showed significant delay in dental development of 0.23 years (p

Matched MeSH terms: Tooth, Supernumerary*

Fulltext Transposed Supernumerary Premolar In Alignment - A Case Report

Ngeow, W.C.

Ann Dent, 1996;3(1):-.

MyJurnal

Supernumerarypremolars have been reported to occur in 0.29% of the general populationand to represent about 9.1% of all supernumerary teeth. Most of the supernumerary teeth reported in the literature were detected by radiographsas most of them were unerupted or impacted.Asearch of the literature revealed not many cases of fully erupted and well aligned supernumerary premolars being reported. A case of a unilateral transposed supernumery premolarthat had erupted into alignment is presented here. The remarkable featureof this case is that the supernumery premolar is transposed between the first and second permanent maxillary molars. The etiology of supernumeraryteeth is also reviewed.

Matched MeSH terms: Tooth, Supernumerary

Fulltext Orthodontic management of an erupted mesiodens: a case report

Noraini Abu Bakar

International Medical Journal Malaysia, 2017;16(21):65-65.

MyJurnal

Hyperdontia is the condition of having supernumerary tooth, or teeth, which appear
in addition to the regular number of teeth. It is a developmental anomaly and has been argued to
arise from multiple aetiologies. It may remain embedded in the alveolar bone or can erupt into the
oral cavity. Mesiodens is a supernumerary tooth located in the anterior maxilla, placed palatally or
in between the maxillary central incisors. (Copied from article).

Matched MeSH terms: Tooth, Supernumerary

Fulltext Supernumerary tooth: report of a case

Fazliah, S.N.

Archives of Orofacial Sciences, 2007;2(1):54-58.

MyJurnal

Supernumerary tooth (ST) is a developmental anomaly and has been argued to arise from multiple etiologies. These teeth may remain embedded in the alveolar bone or can erupt into the oral cavity. When it remains embedded, it may cause disturbance to the developing teeth. The erupted supernumerary tooth might cause aesthetic and/or functional problems especially if it is situated in the maxillary anterior region. A case of supernumerary teeth is presented where the teeth have been left in place and which later gave rise to some problems. The patient had history of trauma and requested orthodontic treatment for the misalignment of his anterior teeth. The treatment options are further discussed.

Matched MeSH terms: Tooth, Supernumerary

A radiographic survey of supernumerary teeth in Malaysian children

Hussein NN

Singapore Dent J, 1985 Jul;10(1):13-5.

PMID: 3868814

Matched MeSH terms: Tooth, Supernumerary/epidemiology*; Tooth, Supernumerary/radiography

Supernumerary teeth

Tratman EK, Chiam KN

Journal of the Malaya Branch of the British Medical Association, 1941;4:362-74.

Matched MeSH terms: Tooth, Supernumerary

Fulltext Multiple supernumerary teeth in a child with Rubinstein-Taybi syndrome: a rare feature

Marimuthoo, Thavamalar, Sockalingam,S. Nagarajan M.P.

Archives of Orofacial Sciences, 2014;9(1):1-5.

MyJurnal

Rubinstein-Taybi syndrome is a multiple anomalies congenital disorder characterised by broad thumb and halluces, facial dysmorphism with mental and growth retardation. Oral features include small mouth, retro and micronagthic jaws, highly arched and narrow palate. Dental anomalies such as teeth with talon cusps and screwdriver shaped permanent incisors together with crowded teeth are common features in these patients. Although hyperdontia is said to be one of the features of this condition, nevertheless, presence of multiple supernumerary teeth has never been documented. This report highlighted a case of an eleven-year-old boy with Rubinstein-Taybi syndrome referred for unerupted permanent incisors who exhibited multiple supernumerary teeth radiographically.

Matched MeSH terms: Tooth, Supernumerary

Fulltext A Review of 80 Supernumerary Teeth Removed Under General Anaesthesia

Ngeow, W.C., Anuar, A.M.

Ann Dent, 2004;11(1):-.

MyJurnal

A retrospective study was carried out to review the records of 47 patients who had had in total 80 supernumerary teeth (ST) removed under general anaesthesia between 1975 and 2002. Malays made up 38.30%, Chinese 51.06%, and Indians 10.64% of the patients. The predominant age group was 6-10 year-old. The mean age was 12.96 ± 9.49 years. The male and female ratio was 1.35:1. Most of the patients had either one ST (n=31; 65.96%) or two ST (n=11; 23.40%). Five cases of multiple supernumeraries were recorded. Two patients experienced late formation of subsequent ST after the first surgery, thus requiring a second surgery. The majority of ST were conical in shape (n=35; 43.75%). Most of the ST were located in the premaxilla (n=55; 68.8%). Almost a quarter (23.75%) of ST were inclined towards the oral cavity. Some of the effects on the dentition were diastema, cystic changes, rotation, displacement, and retention of the permanent teeth and these were the indications for removal of ST. The most common surgical approach for maxillary ST was from the labial, buccal or labio-buccal approach.

Matched MeSH terms: Tooth, Supernumerary

Fulltext Multiple talon cusps on maxillary central incisor: A case report

Kv S, C PR, Yadav SR, Kumar N, C D MK, Kumar SP

J Dent Res Dent Clin Dent Prospects, 2017;11(2):127-130.

PMID: 28748055 DOI: 10.15171/joddd.2017.023

Dental anomalies affecting the teeth are relatively common. Simultaneous occurrence of multiple dental abnormalities in a single tooth is uncommon and relatively rare. One such abnormality routinely encountered in dental clinics is the talon cusp. It is also referred to as dens evaginatus, characterized by the presence of an accessory cusp-like structure projecting from the cingulum of anterior teeth. It has an increased predilection for maxillary teeth and permanent dentition. Although numerous cases of talon cusp have been reported in the literature, occurrence of multiple talon cusps in maxillary central incisors has not been found in the literature. This case report highlights the presence of talon cusps in maxillary anterior teeth with multiple impacted supernumerary teeth.

Matched MeSH terms: Tooth, Supernumerary

Supernumerary teeth in the premaxillary region: its effects on the eruption and occlusion of the permanent incisors

Nik-Hussein NN

Aust Orthod J, 1990 Oct;11(4):247-50.

PMID: 2152540

The presence of supernumerary teeth in the premaxillary region may cause a variety of pathological effects. This study was carried out to determine the various aspects of supernumerary teeth in the premaxillary region, particularly the effects of the supernumerary teeth on the permanent incisors and surrounding tissues. Approximately 20 percent of the patients (n = 49) with supernumerary teeth did not present with any abnormality. A high proportion of patients (37.9 percent) had delayed or failure of eruption of permanent teeth and 24.1 percent had rotation or displacement of permanent teeth. Other effects observed were median diastema and cystic changes around the unerupted supernumerary tooth. The high proportion of pathological effects seen showed that early diagnosis of the anomaly is important to intercept damage to the adjacent normal teeth and surrounding tissues. However, no cases of root resorption of the permanent teeth due to the presence of supernumeraries were observed.

Matched MeSH terms: Tooth, Supernumerary/complications*

Dental anomalies in the primary dentition: distribution and correlation with the permanent dentition

Nik-Hussein NN, Abdul Majid Z

J Clin Pediatr Dent, 1996;21(1):15-9.

PMID: 9161200

The study consisted of analysis of all cases of anomalies in the primary dentition that were seen or treated by the authors in the Department of Children's Dentistry and Orthodontics. A total of 79 occurrences of anomalies was seen in 65 children. The anomalies detected were double teeth, hypodontia and supernumerary teeth. Radiographic examinations of the affected children showed that over 60% of the cases with anomalies in the primary dentition are associated with anomalies of the succadeneous permanent dentition. All subjects with hypodontia of the primary dentition presented with hypodontia of the permanent dentition. However, anomalies of the permanent dentition were seen in 59% of subjects with primary double tooth and 50% of subjects with primary supernumerary tooth.

Matched MeSH terms: Tooth, Supernumerary/epidemiology

Fulltext Cephalometric and malocclusion analysis of Kadazan dusun ethnic orthodontic patients

Rohaya Megat Abdul Wahab, Hartini Idris, Habibah Yacob, Shahrul Hisham Zainal Ariffin

Sains Malaysiana, 2013;42(1):25-32.

The aims of this study were to assess the skeletal pattern and the malocclusion of Kadazan Dusun ethnic patients who seek for orthodontic treatment. Cephalometric radiographs (248) and 345 study models were collected from four orthodontic clinics in Sabah. The cephalometric mean values (SNA, SNB, ANB, MMA, SNMxP, UIMxP, LIMnP and ALFH) were measured and the study models were analysed for overjet, overbite, incisor and molar relationships. Some morphological or occlusal features such as shovel shape, Talon cusp, peg shape teeth, midline diastema, canine displacement and supernumerary tooth were also noted. The frequency and correlation of cephalometric mean values and prevalence of malocclusion were analysed using SPSS 18. Class I Skeletal pattern was the most common (48%) followed by Class II (33%) and Class III (18%). There was a strong correlation between SNA and SNB values (>0.70). Class II/1 incisor relationship has the highest frequency (41%) followed by Class III (32%), Class I (21%) and Class II/2 (6%). Class II Molar relationship of both right and left showed highest frequency (38%) followed by Class I (33%) and Class III (30%). Increased of overjet (44%) and reduced overbite (41%) and shovel-shaped incisor were the most common occlusal and dental features. The Kadazan Dusun patients who seek for orthodontic treatment in Sabah were mostly presented with Class I Skeletal pattern with high prevalence in Class II/1 incisor relationship, Class II molar relationship, increased overjet and reduced overbite. The orthodontic treatment pertaining to this ethnicity should be in line with the findings that will benefit patient specifically based on their common presented features.

Matched MeSH terms: Tooth, Supernumerary

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