PMID- 32802868
OWN - NLM
STAT- MEDLINE
DCOM- 20210422
LR  - 20240329
IS  - 2314-6141 (Electronic)
IS  - 2314-6133 (Print)
VI  - 2020
DP  - 2020
TI  - Influence of Implant Thread Morphology on Primary Stability: A Prospective 
      Clinical Study.
PG  - 6974050
LID - 10.1155/2020/6974050 [doi]
LID - 6974050
AB  - OBJECTIVES: The purpose of this study was to evaluate the primary stability of 
      two implants with the same macro- and micromorphology but different thread design 
      and analyze their clinical outcomes over a one-year period. MATERIALS AND 
      METHODS: 14 patients needing a partial rehabilitation with a delayed loading 
      approach (DEL group: 9 patients) or a full-arch rehabilitation treated with 
      immediately loaded fixed prostheses supported by 4 implants following the 
      Columbus Bridge Protocol (CBP) (IL group: 5 patients) were included. In each 
      patient, at least one SY (implant with standard threads) and one SL implant 
      (implant with an augmented depth of the threads) were randomly inserted. Primary 
      outcome measures were the number of threads exposed at a torque of 30 Ncm and 
      50 Ncm and final insertion torque. Secondary outcome measures were implant and 
      prosthetic failure, peri-implant bone resorption, and periodontal parameters: 
      bleeding on probing (BoP), plaque index (PI), and probing depth (PD) evaluated at 
      3, 6, and 12 months of healing. RESULTS: Nineteen SY and 19 SL implants were 
      inserted in 14 patients. Twenty implants (10 SL and 10 SY) were inserted in the 
      IL group, while 18 (9 SL and 9 SY) were inserted in the DEL group and followed-up 
      for 12 months. No patients dropped out. No implants and prostheses failed. No 
      biological complications were identified. No significant differences were found 
      between SY and SL implants comparing the number of exposed threads when inserting 
      the implant with a torque insertion of 30 N (T student test p = .142 and U test p 
      = .164). At 50 N, no threads were visible in either groups. Final torque 
      insertion values were higher for SL (mean: 48.42 Ncm) compared to SY implants 
      (mean: 43.42 Ncm) without a statistically significant difference. All the 
      implants showed good clinical outcomes at the 1-year-in-function visit. 
      CONCLUSIONS: After 12 months of function, both implant types provided good 
      clinical outcomes without statistically significant differences between the two 
      groups. A difference in insertion torque (even if not statistically significant) 
      was found with higher insertion torque values for SL implants with a larger 
      thread depth.
CI  - Copyright (c) 2020 Maria Menini et al.
FAU - Menini, Maria
AU  - Menini M
AD  - Department of Surgical Sciences (DISC), Implant and Prosthetic Dentistry Unit, 
      University of Genoa, Ospedale S. Martino (pad. 4), L. Rosanna Benzi 10, 16132 
      Genoa, Italy.
FAU - Bagnasco, Francesco
AU  - Bagnasco F
AD  - Department of Surgical Sciences (DISC), Implant and Prosthetic Dentistry Unit, 
      University of Genoa, Ospedale S. Martino (pad. 4), L. Rosanna Benzi 10, 16132 
      Genoa, Italy.
FAU - Calimodio, Ivan
AU  - Calimodio I
AD  - Department of Surgical Sciences (DISC), Implant and Prosthetic Dentistry Unit, 
      University of Genoa, Ospedale S. Martino (pad. 4), L. Rosanna Benzi 10, 16132 
      Genoa, Italy.
FAU - Di Tullio, Nicolo
AU  - Di Tullio N
AD  - Department of Surgical Sciences (DISC), Implant and Prosthetic Dentistry Unit, 
      University of Genoa, Ospedale S. Martino (pad. 4), L. Rosanna Benzi 10, 16132 
      Genoa, Italy.
FAU - Delucchi, Francesca
AU  - Delucchi F
AUID- ORCID: 0000-0002-3470-1804
AD  - Department of Surgical Sciences (DISC), Implant and Prosthetic Dentistry Unit, 
      University of Genoa, Ospedale S. Martino (pad. 4), L. Rosanna Benzi 10, 16132 
      Genoa, Italy.
FAU - Baldi, Domenico
AU  - Baldi D
AD  - Department of Surgical Sciences (DISC), Implant and Prosthetic Dentistry Unit, 
      University of Genoa, Ospedale S. Martino (pad. 4), L. Rosanna Benzi 10, 16132 
      Genoa, Italy.
FAU - Pera, Francesco
AU  - Pera F
AD  - Interdepartmental Research Center, Dental-School, University of Turin, Turin, 
      Italy.
LA  - eng
PT  - Clinical Trial
PT  - Journal Article
DEP - 20200805
PL  - United States
TA  - Biomed Res Int
JT  - BioMed research international
JID - 101600173
RN  - 0 (Dental Implants)
SB  - IM
MH  - Aged
MH  - *Dental Implants
MH  - *Dental Prosthesis Design
MH  - Female
MH  - Follow-Up Studies
MH  - Humans
MH  - *Immediate Dental Implant Loading
MH  - Male
MH  - Middle Aged
MH  - Prospective Studies
PMC - PMC7426766
COIS- The authors declare no conflict of interest.
EDAT- 2020/08/18 06:00
MHDA- 2021/04/23 06:00
PMCR- 2020/08/05
CRDT- 2020/08/18 06:00
PHST- 2020/04/24 00:00 [received]
PHST- 2020/07/01 00:00 [accepted]
PHST- 2020/08/18 06:00 [entrez]
PHST- 2020/08/18 06:00 [pubmed]
PHST- 2021/04/23 06:00 [medline]
PHST- 2020/08/05 00:00 [pmc-release]
AID - 10.1155/2020/6974050 [doi]
PST - epublish
SO  - Biomed Res Int. 2020 Aug 5;2020:6974050. doi: 10.1155/2020/6974050. eCollection 
      2020.