Endodontic therapy in primary teeth: a bibliometric analysis of the 100 most-cited papers

Vitali, Filipe Colombo; Pires, Karina Maria; Cardoso, Ihan Vitor; Oliveira, Elisa Varela de; Bolan, Michele; Martins Júnior, Paulo Antônio; Cardoso, Mariane

doi:10.1590/1807-3107bor-2022.vol36.0049

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Original Research, Pediatric dentistry • Braz. oral. res. 36 • 2022 • https://doi.org/10.1590/1807-3107bor-2022.vol36.0049 copy

Endodontic therapy in primary teeth: a bibliometric analysis of the 100 most-cited papers

Authorship SCIMAGO INSTITUTIONS RANKINGS

Abstract:

The purpose of this review was to identify and analyze the main characteristics of the 100 most-cited papers in the field of endodontic therapy in primary teeth. A search for the most-cited articles was conducted in the Clarivate Analytics Web of Science ‘Core-Collection’ (WoS-CC) database up to December 2020. Papers were ranked in descending order, by number of citations, and each paper was matched with the citation count on Scopus and Google Scholar. Two independent reviewers selected the most-cited papers and analyzed it according to the number and density of citations, year and journal of publication, authors, countries and contributing institutions, study design, topic of the paper, and keywords. Spearman’s correlation and Poisson regression were used to determine associations between the number of citations and study characteristics. The citation count varied from 15 to 135 (WoS-CC), 8 to 141 (Scopus), and 14 to 317 (Google Scholar). Of the 306 contributing authors, most paper contributions were from Sakai VT, Oliveira TM, and Machado MAAM (5 each). Most of the papers originated from the USA (n=21) and Brazil (n=18). Randomized trials were the most common study design (n=32), and “pulpotomy” was the most frequently used keyword (n=35). Poisson regression showed that the number of citations decreased by 1.5% each year, and increased by 9.7% for each unit of impact factor. This bibliometric analysis highlighted papers, authors, and institutions that have contributed to endodontic therapy in primary teeth. Common terms of interest in this research area was also identified, representing the first bibliometric analysis on this subject.

Keywords:
Bibliometric; Endodontics; Tooth, Deciduous

Rank	Title of the paper	N. of citations WOS-CC	N. of citations Scopus	N. of citations Google Scholar	Citation density (WOS)
1	Long-term evaluation of pulpotomy in primary molars using Mineral Trioxide Aggregate or Formocresol	135	141	317	9.15
2	Comparison of Mineral Trioxide Aggregate and Formocresol as pulp-capping agents in pulpotomized primary teeth	119	131	292	7.56
3	Current and potential pulp therapies for primary and young permanent teeth	92	121	268	4.66
4	The effectiveness of Mineral Trioxide Aggregate, Calcium Hydroxide and Formocresol for pulpotomies in primary teeth	81	91	188	6.89
5	A comparison of four pulpotomy techniques in primary molars: A long-term follow-up	78	85	172	6.64
6	Dentin bridge formation after Mineral Trioxide Aggregate (MTA) pulpotomies in primary teeth	77	76	141	5.22
7	Endodontic treatment of primary teeth using a combination of antibacterial drugs	66	89	238	4.19
8	An investigation of the relative efficacy of Buckley’s Formocresol and Calcium Hydroxide in primary molar vital pulp therapy	63	65	159	3.19
9	Clinical, radiographic and histological analysis of the effects of Mineral Trioxide Aggregate used in direct pulp capping and pulpotomies of primary teeth	61	66	157	4.44
10	Randomized controlled trial of Mineral Trioxide Aggregate and Formocresol for pulpotomy in primary molar teeth	58	65	154	4.55
11	Pulp therapy with new materials for primary teeth: New directions and treatment perspectives	55	73	18	4.68
12	Vital pulp therapy with new materials for primary teeth: New directions and treatment perspectives	51	51	253	4.34
13	Pulp exposure occurrence and outcomes after 1-or 2-visit indirect pulp therapy vs complete caries removal in primary and permanent molars	50	65	119	5.13
14	Primary molar pulpotomy: A systematic review and network meta-analysis	48	45	80	8.35
15	Evaluation of various root canal filling materials in primary molar pulpectomies: An in vivo study	45	53	115	3.05
16	Success rate of root canal treatment in primary molars	43	56	128	2.92
17	Success of pulpectomy with Zinc Oxide-Eugenol vs Calcium Hydroxide/Iodoform paste in primary molars: A clinical study	41	53	103	3.49
18	A survey of primary tooth pulp therapy as taught in US dental schools and practiced by diplomates of the American Board of Pediatric Dentistry	40	43	85	3.40
19	Evaluation of an Iodoform paste in root-canal therapy for infected primary teeth	40	60	162	1.22
20	Primary tooth vital pulp therapy: A Systematic Review and Meta-analysis	39	37	63	14.18
21	Effects of Nd: YAG laser pulpotomy on human primary molars	39	47	83	2.84
22	Is there life after Buckley’s Formocresol? Part I - A narrative review of alternative interventions and materials	39	39	122	2.84
23	Effect of different adhesive protocols vs Calcium Hydroxide on primary tooth pulp with different remaining dentin thicknesses: 24-month results	38	41	54	3.23
24	Clinical evaluation of success of primary teeth pulpotomy using Mineral Trioxide Aggregate (R), Laser and Biodentine (TM)- An in vivo study	37	36	79	7.79
25	Pulp treatment for extensive decay in primary teeth	37	8	144	6.43
26	Long-term outcomes of primary molar Ferric Sulfate pulpotomy and root canal therapy	37	38	94	2.35
27	Treatment outcomes of pulpotomy in primary molars using two endodontic biomaterials. A 2-year randomised clinical trial	36	62	93	4.11
28	Mineral Trioxide Aggregate and Formocresol pulpotomy of primary teeth: A 2-year follow-up	36	44	88	3.69
29	Indirect pulp treatment in primary teeth: 4-year results	36	43	84	3.69
30	Clinical, radiographic, and histopathologic evaluation of Nd: YAG laser pulpotomy on human primary teeth	36	42	93	2.82
31	Photodynamic therapy in endodontic treatment of deciduous teeth	35	41	72	3.26
32	Considerations for the direct pulp capping procedure in primary teeth – A review of the literature	35	41	84	1.26
33	Short-term treatment outcome of pulpotomies in primary molars using Mineral Trioxide Aggregate and Biodentine: A randomized clinical trial	34	34	61	9.07
34	Electronic determination of root canal length in primary teeth with and without root resorption	34	38	92	1.92
35	A simple, effective, safe technique for the root-canal treatment of abscessed primary teeth	34	54	103	0.86
36	Relationship between Formocresol pulpotomies on primary teeth and enamel defects on their permanent successors	33	35	88	0.77
37	Indirect pulp capping and primary teeth: Is the primary tooth pulpotomy out of date?	32	35	83	2.72
38	Electronic apex locator: A useful tool for root canal treatment in the primary dentition	32	38	106	1.35
39	Anatomical challenges, electronic working length determination and current developments in root canal preparation of primary molar teeth	31	42	84	4.59
40	Clinical evaluation of 3Mix and Vitapex (R) as treatment options for pulpally involved primary molars	31	47	117	3.18
41	Mineral Trioxide Aggregate as pulp capping agent for primary teeth pulpotomy: 2 years follow up study	31	32	67	2.88
42	Accuracy of an electronic apex locator in primary teeth with root resorption	31	34	113	2.88
43	Biofilm on the apical region of roots in primary teeth with vital and necrotic pulps with or without radiographically evident apical pathosis	31	36	73	2.64
44	Clinical and radiographic outcomes of the use of Low-Level Laser Therapy in vital pulp of primary teeth	30	30	37	6.32
45	Calcium Hydroxide pulpotomy for primary teeth – A clinical study	30	35	84	0.84
46	Efficacy of three different pulpotomy agents in primary molars: a randomized control trial	29	25	44	10.55
47	Clinical and radiographic evaluation of indirect pulp treatment in primary molars: 36 months follow-up	29	37	77	2.27
48	Dentin bridge formation after white mineral trioxide aggregate (white MTA) pulpotomies in primary molars	29	29	60	2.11
49	Evaluation of cleaning capacity and instrumentation time of manual, hybrid and rotary instrumentation techniques in primary molars	27	40	70	3.48
50	The influence of smear layer removal on primary tooth pulpectomy outcome: a 24-month, double-blind, randomized, and controlled clinical trial evaluation	26	27	41	3.35
51	Mineral trioxide aggregate in primary teeth pulpotomy. A systematic literature review	26	30	87	2.67
52	Radiographic success of ferric sulfate and formocresol pulpotomies in relation to early exfoliation	26	21	66	1.76
53	Calcium hydroxide pulpotomy with a light-cured cavity-sealing material after two years	26	36	80	1.14
54	Root-canal filling materials for primary teeth – a review of the literature	26	45	94	0.94
55	Accuracy of two different apex locators in primary teeth with and without root resorption	25	26	74	2.13
56	Beta-tricalcium phosphate, white mineral trioxide aggregate, white Portland cement, ferric sulfate, and formocresol used as pulpotomy agents in primary pig teeth	25	26	55	2.13
57	A randomized clinical trial on the use of medical Portland cement, MTA and calcium hydroxide in indirect pulp treatment	24	33	66	4.17
58	Clinical and radiographic outcomes of the use of four dressing materials in pulpotomized primary molars: a randomized clinical trial with 2-year follow-up	24	28	37	3.56
59	Clinical evaluation of root canal obturation methods in primary teeth	24	32	77	1.75
60	Elimination of infection in pulpectomized deciduous teeth – A short term study using Iodoform paste	24	37	107	0.93
61	Clinical and radiographic evaluation of the effectiveness of Formocresol, Mineral Trioxide Aggregate, Portland Cement, and Enamel Matrix Derivative in primary teeth pulpotomies: A two-year follow-up	23	23	44	6.13
62	Pulpotomy of human primary molars with MTA and Portland cement: a randomized controlled trial	22	27	68	2.05
63	Sodium Hypochlorite pulpotomies in primary teeth: A retrospective assessment	21	24	54	2.40
64	Pulpotomy medicaments for vital primary teeth	21	38	83	0.68
65	In vivo evaluation of the treatment outcome of pulpotomy in primary molars using diode laser, Formocresol, and Ferric Sulphate	20	22	38	3.48
66	Electronic determination of root canal working length in primary molar teeth: an in vivo and ex vivo study	20	29	68	2.29
67	Ex vivo performance of five methods for root canal length determination in primary anterior teeth	20	25	59	2.05
68	In vivo outcomes of indirect pulp treatment using a Self-etching Primer versus Calcium Hydroxide over the demineralized dentin in primary molars	20	26	38	1.70
69	Ex vivo study of manual and rotary instrumentation techniques in human primary teeth	20	31	74	1.70
70	Clinical evaluation of Glutaraldehyde with Calcium Hydroxide and Glutaraldehyde with Zinc Oxide Eugenol in pulpotomy of primary molars	20	16	47	0.96
71	Reviewing pulp treatment for primary teeth	20	27	70	0.70
72	Use of vital pulp therapies in primary teeth with deep caries lesions	19	16	28	6.91
73	Evidence of pulpotomy in primary teeth comparing MTA, Calcium Hydroxide, Ferric Sulphate, and electrosurgery with Formocresol	19	17	34	4.00
74	Development of a core set of outcomes for randomized controlled trials with multiple outcomes - Example of pulp treatments of primary teeth for extensive decay in children	19	25	34	2.81
75	Clinical and radiographic success rates of Mineral Trioxide Aggregate and Ferric Sulphate pulpotomies performed by dental students	19	22	41	2.45
76	Diagnosis dilemmas in vital pulp therapy: Treatment for the toothache is changing, especially in young, immature teeth	19	25	113	1.62
77	A randomized controlled trial of ProRoot MTA, OrthoMTA and RetroMTA for pulpotomy in primary molars	18	15	25	3.79
78	Low-level laser therapy as an alternative for pulpotomy in human primary teeth	18	24	39	3.79
79	MTA and Ferric Sulfate in pulpotomy outcomes of primary molars: A Systematic Review and Meta-Analysis	18	16	36	3.13
80	Laser-assisted pulpotomy in primary teeth: a systematic review	18	21	45	2.67
81	A randomized study of Sodium Hypochlorite versus Formocresol pulpotomy in primary molar teeth	18	21	62	2.67
82	Success rates of a mixture of Ciprofloxacin, Metronidazole, and Minocycline antibiotics used in the non-instrumentation endodontic treatment of mandibular primary molars with carious pulpal involvement	18	26	62	2.32
83	Formocresol versus Calcium Hydroxide direct pulp capping of human primary molars: Two-year follow-up	18	16	16	1.85
84	Contemporary perspectives on vital pulp therapy: Views from the endodontists and pediatric dentists	18	15	60	1.53
85	Accuracy of two electronic apex locators in primary teeth with and without apical resorption: a laboratory study	18	19	64	1.53
86	Comparison of conventional, rotary, and ultrasonic preparation, different final irrigation regimens, and 2 sealers in primary molar root canal therapy	18	23	51	1.31
87	In vitro toxicity of MTA compared with other primary teeth pulpotomy agents	17	13	30	1.58
88	Impact of Er,Cr: YSGG laser therapy on the cleanliness of the root canal walls of primary teeth	17	21	41	1.45
89	Evolving primary pulp therapy technique	17	28	68	0.59
90	Assessment of a 2-percent buffered Glutaraldehyde solution in pulpomotized primary teeth of schoolchildren	17	27	62	0.57
91	Formocresol pulpotomy in deciduous teeth	17	15	47	0.30
92	Determination of working length for teeth with wide or immature apices: a review	16	18	50	2.37
93	ZOE Paste pulpectomies outcome in primary teeth: A Systematic Review	16	26	61	1.83
94	Pulpotomy of human primary molars with MTA and Portland cement: a randomized controlled trial	16	16	38	1.49
95	Histopathological evaluation of pulpotomy with Er,Cr: YSGG laser vs Formocresol	16	18	47	1.36
96	Comparison of Calcium Hydroxide and Zinc-Oxide and Eugenol pulpectomies in primary teeth of dogs	16	23	54	0.42
97	Evaluation of root canal morphology of human primary molars by using CBCT and comprehensive review of the literature	15	17	34	4.00
98	Clinical and radiographic success of Mineral Trioxide Aggregate compared with Formocresol as a pulpotomy treatment in primary molars: A Systematic Review and Meta-analysis	15	18	43	2.61
99	Clinical and radiological evaluation of Calcium Sulfate as direct pulp capping material in primary teeth	15	16	14	2.61
100	Is there sufficient evidence to support the long-term efficacy of Mineral Trioxide Aggregate (MTA) for endodontic therapy in primary teeth?	15	18	42	2.22

Independent variables		WOS-CC number of citations
Independent variables		RR (95% CI)	p-value
Study design
	Interventional	1
	Review	0.818 (0.620 – 1.080)	0.157
	Observational	0.742 (0.589 – 0.934)	0.011*
	Laboratorial	0.546 (0.434 – 0.687)	< 0.01*
	Case series/case report	0.362 (0.244 – 0.537)	< 0.01*
	Practice guideline	0.645 (0.514 – 0.808)	< 0.01*
Year of publication		0.985 (0.975 – 0.995)	0.004*
Journals’ impact factors		1.097 (1.025 – 1.173)	0.007*

Author	as first author	as co-author (2nd to the penultimate author)	as co-author (last author)	Total	Total of citations WOS-CC
Sakai VT	2	3	0	5	167
Oliveira TM	0	3	2	5	167
Machado MAAM	0	5	0	5	167
Fuks AB	3	1	0	4	253
Garcia-Godoy F	0	3	1	4	186
Casagrande L	2	1	0	3	85
Coll JA	2	1	0	3	111
Odabas ME	2	1	0	3	80
Marghalani AA	1	2	0	3	73
Abdo RCC	0	1	2	3	119
Araujo FB	0	0	3	3	85
Moretti ABS	0	3	0	4	68
Fornetti APC	0	3	0	3	119
Santos CF	0	3	0	3	119

Institution (country)	N. of papers	N. of citations WOS-CC
University of São Paulo (Brazil)	6	187
Hebrew University (Israel)	4	284
University of Maryland (USA)	4	130
Shahid Beheshti University of Medical Sciences (Iran)	4	106
Ankara University (Turkey)	3	173
University of Texas Health Science Center (USA)	3	130
University of Gazi (Turkey)	3	80
Complutense University of Madrid (Spain)	2	106
Newcastle upon Tyne (UK)	2	102
Catholic Pontifical University of Campinas (Brazil)	2	62
Chulalongkorn University (Thailand)	2	59
International University of Catalunya (Spain)	2	58
Franciscan University Center (Brazil)	2	56
Hacettepe University (Turkey)	2	56
Hospital for Sick Children (Canada)	2	54
Ghent University (Belgium)	2	47
University of Iowa (USA)	2	47
Federal Fluminense University (Brazil)	2	42
Federal University of Santa Catarina (Brazil)	2	40

Journal (Impact factor)	N. of papers	N. of citations WOS-CC
Pediatric Dentistry (1.594)	16	693
International Endodontic Journal (3.801)	15	513
Journal of Dentistry for Children (0.16)	8	231
International Journal of Pediatric Dentistry (1.993)	8	204
Journal of Clinical Pediatric Dentistry (0.798)	7	143
Journal of Endodontics (3.118)	6	245
Journal of the American Dental Association (2.803)	6	132
American Journal of Dentistry (0.957)	5	216
Clinical Oral Investigations (2.812)	4	121
European Archives of Pediatric Dentistry (0.55)	4	89
Journal of Dentistry (3.242)	3	183
British Dental Journal (1.306)	3	101
Lasers in Medical Science (2.342)	3	69
Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology and Endodontics (1.221)	3	61
Australian Dental Journal (1.401)	1	61
Cochrane Database of Systematic Reviews (1.230)	1	37
Journal of Clinical and Diagnostic Research (0.190)	1	37
Medicina Oral, Patologia Oral y Cirugia Bucal (1.596)	1	26
Endodontics & Dental Traumatology (1.306)	1	20
Photomedicine and Laser Surgery (1.918)	1	20
PloS One (2.740)	1	19
Oral Diseases (2.613)	1	18
Acta Odontologica Scandinavica (1.573)	1	15

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[1] Corresponding Author: Mariane Cardoso, E-mail: mariane_cardoso@hotmail.com