PMID- 33181840 OWN - NLM STAT- MEDLINE DCOM- 20201116 LR - 20201116 IS - 1053-4628 (Print) IS - 1053-4628 (Linking) VI - 44 IP - 5 DP - 2020 Sep 1 TI - Enhanced Fluoride Bioavailability with Incorporation of Arginine in Child Dentifrices. PG - 332-341 LID - 10.17796/1053-4625-44.5.7 [doi] AB - OBJECTIVE(S): To: 1) examine the fluoride concentrations in commercial child formula dentifrices (CFD)s; and 2) investigate the effect of arginine incorporation in CFDs on fluoride bioavailability. STUDY DESIGN: Five commercial CFDs were examined for fluoride concentrations. Total, total soluble, and insoluble fluorides in CFDs were determined by the modified Taves acid-diffusion method (TAD). Ionic F and MFP were estimated by modified direct method with standard addition technique. L-arginine (L-Arg)/L-arginine monohydrochloride (L-Arg.HCl) were incorporated at 2% w/w in the commercial CFDs. The pH of the toothpaste slurries, buffer capacity of the added Arg, potentially available fluorides (PAF) and 1-min PAF by TAD were determined. RESULTS: The CFDs had 4 to 32% of insoluble fluorides. Addition of L-Arg/L-Arg.HCl significantly improved the fluoride bioavailability in CFDs (p<0.05). Incorporation of L-Arg significantly increased the pH of toothpaste slurries (p<0.05); while L-Arg.HCl decreased the pH. Principal component analysis showed that L-Arg.HCl decreased the pH of toothpaste slurries due to the presence of Cl in the form of HCl; whereas the inherent elements/molecules (Na/P/Pi/F) remain distinct with unidentified influence on the variables. CONCLUSION(S): The CFDs containing NaF only have higher concentrations of bioavailable fluoride. Incorporating arginine (L-arginine or L-arginine monohydrochloride) at 2% w/w improves fluoride bioavailability of the child formula dentifrices. FAU - Bijle, Mohammed Nadeem AU - Bijle MN FAU - Tsoi, James AU - Tsoi J FAU - Ekambaram, Manikandan AU - Ekambaram M FAU - Lo, Edward C M AU - Lo ECM FAU - Carey, Clifton M AU - Carey CM FAU - Yiu, Cynthia Kar Yung AU - Yiu CKY LA - eng PT - Journal Article PL - Singapore TA - J Clin Pediatr Dent JT - The Journal of clinical pediatric dentistry JID - 9100079 RN - 0 (Cariostatic Agents) RN - 0 (Dentifrices) RN - 0 (Phosphates) RN - 0 (Toothpastes) RN - 8ZYQ1474W7 (Sodium Fluoride) RN - 94ZLA3W45F (Arginine) RN - Q80VPU408O (Fluorides) MH - Arginine MH - Biological Availability MH - Cariostatic Agents MH - Child MH - *Dentifrices MH - *Fluorides MH - Humans MH - Phosphates MH - Sodium Fluoride MH - Toothpastes OTO - NOTNLM OT - Arginine OT - bioavailability OT - child OT - dentifrices OT - fluorides EDAT- 2020/11/13 06:00 MHDA- 2020/11/18 06:00 CRDT- 2020/11/12 20:17 PHST- 2020/11/12 20:17 [entrez] PHST- 2020/11/13 06:00 [pubmed] PHST- 2020/11/18 06:00 [medline] AID - 447334 [pii] AID - 10.17796/1053-4625-44.5.7 [doi] PST - ppublish SO - J Clin Pediatr Dent. 2020 Sep 1;44(5):332-341. doi: 10.17796/1053-4625-44.5.7.